The STC search system is a complimentary service provided to the aviation community. We hope you find it useful. We do not provide access to STC engineering. For that you need to contact the STC holder directly. Our primary product is a comprehensive library of aviation regulations and standards, including tools for generating Airworthiness Directive compliance reports.

No. of STCs: 95

STC Holder: Northwest Airlines Inc 2700 Lone Oak Parkway, Eagan, MN 55124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1122WE	Status: Current	App Date:	Rev Date: 11/14/1986
Description: Installation of wing flap actuated landing gear aural warning system.
TC Nos.: 1A7
Models: Martin-Marietta Corporation404
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 2700 Lone Oak Parkway, Eagan, MN 55124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1158WE	Status: Current	App Date:	Rev Date: 11/14/1986
Description: Installation of AVQ-75 distance measuring equipment.
TC Nos.: A-669
Models: McDonnell Douglas CorporationDC-3 Series
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 2700 Lone Oak Parkway, Eagan, MN 55124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1188WE	Status: Current	App Date:	Rev Date: 11/14/1986
Description: Installation of Collins Radio Company cockpit voice recorder system.
TC Nos.: 7A1
Models: Fairchild Industries Inc.F27-A
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 2700 Lone Oak Parkway, Eagan, MN 55124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1225WE	Status: Current	App Date:	Rev Date: 11/14/1986
Description: Installation of emergency lighting system.
TC Nos.: 7A1
Models: Fairchild Industries Inc.F27-A
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 5101 Northwest Drive Intl Airport, St. Paul, MN 55111, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1246GL	Status: Historical	App Date:	Rev Date: 02/12/1990
Description: Install a 'tail cone missing' visual advisory system.
TC Nos.: A6WE
Models: McDonnell Douglas CorporationDC-9-11, DC-9-12, DC-9-13, DC-9-14, DC-9-15, DC-9-15F, DC-9-31, DC-9-32, DC-9-32F, DC-9-33F, DC-9-34, DC-9-34F, DC-9-51, DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83)
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 2700 Lone Oak Parkway, Eagan, MN 55124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1314WE	Status: Current	App Date:	Rev Date: 11/14/1986
Description: Installation of either United Control Data Division #V-557 or Fairchild #A-100 cockpit voice recorder system.
TC Nos.: 7A1
Models: Fairchild Industries Inc.F27 Series
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 5101 Northwest Drive Intl Airport, St. Paul, MN 55111, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA132CE	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Overspeed warning system.
TC Nos.: 4A22
Models: Lockheed Aircraft Corporation188C
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 5101 Northwest Drive Intl Airport, St. Paul, MN 55111, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA132CE	Status: Historical	App Date:	Rev Date:
Description: Overspeed warning system.
TC Nos.: 4A22
Models: Lockheed Aircraft Corporation188C
ACO: Chicago ACO Branch, Tel: +1 (847) 294-7358

STC Holder: Northwest Airlines Inc 2700 Lone Oak Parkway, Eagan, MN 55124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1333WE	Status: Current	App Date:	Rev Date: 11/14/1986
Description: Northern Aero Industries, Ltd. cyclic deicing system Model78-10055.
TC Nos.: 7A1
Models: Fairchild Industries Inc.F27 Series
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 2700 Lone Oak Parkway, Eagan, MN 55124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1406WE	Status: Current	App Date:	Rev Date: 11/14/1986
Description: Relocation of Fairchild flight data recorder.
TC Nos.: 7A1
Models: Fairchild Industries Inc.F27-A
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 2700 Lone Oak Parkway, Eagan, MN 55124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1428WE	Status: Current	App Date:	Rev Date: 11/14/1986
Description: Installation of cargo interior.
TC Nos.: 1A7
Models: Martin-Marietta Corporation404
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 2700 Lone Oak Parkway, Eagan, MN 55124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1459WE	Status: Current	App Date:	Rev Date: 11/14/1986
Description: Interior configuration modification.
TC Nos.: A6WE
Models: McDonnell Douglas CorporationDC-9-10 Series
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 2700 Lone Oak Parkway, Eagan, MN 55124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1496WE	Status: Current	App Date:	Rev Date: 11/14/1986
Description: Installation of fire detection aural warning system.
TC Nos.: 7A1
Models: Fairchild Industries Inc.F27-A
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 2700 Lone Oak Parkway, Eagan, MN 55124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA153WE	Status: Historical	App Date:	Rev Date: 11/14/1986
Description: Replacement of nacelle tail cone originally constructed of fibre-glass with a West Coast manufactured tail cone of2024T3 material.
TC Nos.: 7A1
Models: Fairchild Industries Inc.F27 Series
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 2700 Lone Oak Parkway, Eagan, MN 55124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1571WE	Status: Current	App Date:	Rev Date: 11/14/1986
Description: Relocation of Fairchild Model F-542 flight data recorder.
TC Nos.: 7A1
Models: Fairchild Industries Inc.F27 Series
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 5101 Northwest Drive Intl Airport, St. Paul, MN 55111, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1620GL	Status: Current	App Date:	Rev Date: 06/28/1991
Description: Installation of turbulence prediction systems advance warning airborne system (AWAS), Honeywell windshear detection system (WSS), and a Sundstrand data recorder.
TC Nos.: A6WE
Models: McDonnell Douglas CorporationDC-9-31
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 2700 Lone Oak Parkway, Eagan, MN 55124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1725WE	Status: Current	App Date:	Rev Date: 11/14/1986
Description: Installation of Custom Products carry-on baggage and coat storage assembly 2050.
TC Nos.: A6WE
Models: McDonnell Douglas CorporationDC-9-31
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc Atlanta Hartsfield Intl Arpt 1000 Inner Loop Road, Atlanta, GA 30337-6072, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1943SO	Status: Current	App Date:	Rev Date: 01/07/1987
Description: Modification of lavatory waste containers.
TC Nos.: A6WE
Models: McDonnell Douglas CorporationDC-9-10 Series, DC-9-30 Series, DC-9-51, DC-9-81 (MD-81)
ACO: AIR-750: East Certification Branch ATL

STC Holder: Northwest Airlines Inc 5101 Northwest Drive Intl Airport, St. Paul, MN 55111, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2437NM	Status: Current	App Date: 07/11/1980	Rev Date: 12/30/1986
Description: Installation of fixed primary nozzles, Rohr master drawing list number 233D0009 latest revision. Approved for model DC-10-40 with JT9D-20 and JT9D-20J engines.
TC Nos.: A22WE
Models: McDonnell Douglas CorporationDC-10-40
ACO: AIR-770: West Certification Branch LA

STC Holder: Northwest Airlines Inc 2700 Lone Oak Parkway, Eagan, MN 55124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2763WE	Status: Current	App Date:	Rev Date: 11/14/1986
Description: The captain's altimeter is replaced by Harowe P/N 2050-01-1 servo actuated altimeter and existing altitude alert system is replaced by Harowe P/N2031-01-1 altitude alert system.
TC Nos.: A6WE
Models: McDonnell Douglas CorporationDC-9-15F
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 2700 Lone Oak Parkway, Eagan, MN 55124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2764WE	Status: Current	App Date:	Rev Date: 11/14/1986
Description: Altitude alerting and reporting capabilities are provided by installation of Harowe P/N 2031-01-1 altitude alert system, replacement of captain's barometric altimeter with a Harowe P/N 2050-01-1 servo actuated altimeter and two existing air data computers are replaced by Sperry P/N 2587400-176 air data computer.
TC Nos.: A6WE
Models: McDonnell Douglas CorporationDC-9-15
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 2700 Lone Oak Parkway, Eagan, MN 55124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2765WE	Status: Current	App Date:	Rev Date: 11/14/1986
Description: Installation of Harowe P/N 2031-01-1 altitude alert system.
TC Nos.: A6WE
Models: McDonnell Douglas CorporationDC-9-14, DC-9-31, DC-9-32
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 5101 Northwest Drive Intl Airport, St. Paul, MN 55111, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2788WE	Status: Current	App Date:	Rev Date: 07/02/1996
Description: Installation of Hughes Airwest galley assembly, Model RW2530045.
TC Nos.: A6WE
Models: McDonnell Douglas CorporationDC-9-13, DC-9-14, DC-9-15, DC-9-15F
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 5101 Northwest Drive Intl Airport, St. Paul, MN 55111, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2789WE	Status: Current	App Date:	Rev Date: 07/02/1996
Description: Installation of Hughes Airwest galley assembly, Model RW2530051.
TC Nos.: A6WE
Models: McDonnell Douglas CorporationDC-9-13, DC-9-14, DC-9-15, DC-9-15F
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 2700 Lone Oak Parkway, Eagan, MN 55124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2981WE	Status: Current	App Date:	Rev Date: 11/14/1986
Description: Modification of No. 1 galley, Hughes Airwest P/N RW2530045 or Nordskog P/N 742A.
TC Nos.: A6WE
Models: McDonnell Douglas CorporationDC-9-14, DC-9-15, DC-9-15F, DC-9-31, DC-9-32
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 2700 Lone Oak Parkway, Eagan, MN 55124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2982WE	Status: Current	App Date:	Rev Date: 11/14/1986
Description: Modification of No. 2 galley, Hughes Airwest P/N RW2530051 or Nordskog P/N 645A.
TC Nos.: A6WE
Models: McDonnell Douglas CorporationDC-9-14, DC-9-15, DC-9-15F, DC-9-31, DC-9-32
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 5101 Northwest Drive Intl Airport, St. Paul, MN 55111, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3-12	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Reclassify aft cargo compartment from Class B to Class A.
TC Nos.: A-669
Models: McDonnell Douglas CorporationDC-3 Series
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 1885 University Ave S., St. Paul, MN 55111, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3-258	Status: Historical	App Date:	Rev Date: 01/01/1960
Description: C-O-Two visual smoke detector, Type A1-V, P/N 74800.
TC Nos.: A-762
Models: McDonnell Douglas CorporationC54-DC Series, DC-4
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 5101 Northwest Drive Intl Airport, St. Paul, MN 55111, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3-34	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Propeller reverse control circuit revision.
TC Nos.: A-812
Models: The Boeing Company377
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 1885 University Ave S., St. Paul, MN 55111, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3-596	Status: Historical	App Date:	Rev Date: 05/24/1967
Description: Waste-King 5424-200 flight recorder system.
TC Nos.: 4A22
Models: Lockheed Aircraft Corporation188A, 188C
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 1885 University Ave S., St. Paul, MN 55111, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3-603	Status: Historical	App Date:	Rev Date: 01/01/1960
Description: Equipment furnishings, cargo provisions, forward cargo cabin DC-8.
TC Nos.: 4A25
Models: McDonnell Douglas CorporationDC-8 Series
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 5101 Northwest Drive Intl Airport, St. Paul, MN 55111, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3-666	Status: Historical	App Date:	Rev Date: 01/01/1960
Description: Aft cabin bin substituted for three 3-place left-hand tourist passenger seats between Stations1253 to 1360.
TC Nos.: 4A25
Models: McDonnell Douglas CorporationDC-8 Series
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 5101 Northwest Drive Intl Airport, St. Paul, MN 55111, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3-73	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Revise Minneapolis-Honeywell turbo- supercharger control system.
TC Nos.: A-812
Models: The Boeing Company377
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 2700 Lone Oak Parkway, Eagan, MN 55124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3096WE	Status: Current	App Date:	Rev Date: 11/14/1986
Description: Installation of Collins Radio Co. Model FPC-75 ground proximity warning system.
TC Nos.: 7A1
Models: Fairchild Industries Inc.F27 Series
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 2700 Lone Oak Parkway, Eagan, MN 55124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3097WE	Status: Current	App Date:	Rev Date: 11/14/1986
Description: Installation of Collins Radio Co. Model FPC-75 ground proximity warning system.
TC Nos.: A6WE
Models: McDonnell Douglas CorporationDC-9-10 Series, DC-9-30 Series
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc Atlanta Hartsfield Intl Arpt 1000 Inner Loop Road, Atlanta, GA 30337-6072, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3149SO	Status: Current	App Date:	Rev Date: 02/03/1992
Description: Installation of tailcone release handle.
TC Nos.: A6WE
Models: McDonnell Douglas CorporationDC-9-14, DC-9-15, DC-9-15F, DC-9-31, DC-9-32, DC-9-41, DC-9-51, DC-9-82 (MD-82)
ACO: AIR-750: East Certification Branch ATL

STC Holder: Northwest Airlines Inc 2700 Lone Oak Parkway, Eagan, MN 55124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3380WE	Status: Current	App Date:	Rev Date: 11/14/1986
Description: Installation of dual LTN-51, or dual LTN-72, or dual LTN-72R, or one LTN-51 and either one LTN-72 or one LTN-72R inertial navigation system. (727-2M7)
TC Nos.: A3WE
Models: The Boeing Company727
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 2700 Lone Oak Parkway, Eagan, MN 55124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3505WE	Status: Current	App Date:	Rev Date: 11/14/1986
Description: Installation of ground proximity warning system. (727-2M7)
TC Nos.: A3WE
Models: The Boeing Company727
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 2700 Lone Oak Parkway, Eagan, MN 55124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3564WE	Status: Current	App Date:	Rev Date: 11/14/1986
Description: Installation of auxiliary fuel tanks in the forward and aft belly cargo/baggage compartments. (727-2M7)
TC Nos.: A3WE
Models: The Boeing Company727
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 2700 Lone Oak Parkway, Eagan, MN 55124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3642WE	Status: Current	App Date:	Rev Date: 11/14/1986
Description: Installation of speed command system safe flight P/N 1312-25B.
TC Nos.: A6WE
Models: McDonnell Douglas CorporationDC-9-30 Series
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 5101 Northwest Drive Intl Airport, St. Paul, MN 55111, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA372GL	Status: Historical	App Date:	Rev Date: 10/26/1979
Description: Installation of Honeywell P/N HG280BD80 digital airdata computer in the number three position per NWA project 1-34-40300 in place of the Honeywell P/N HG280D5 presently used in this position for data collection purposes only.
TC Nos.: A22WE
Models: McDonnell Douglas CorporationDC-10-40
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 2700 Lone Oak Parkway, Eagan, MN 55124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3887WE	Status: Current	App Date:	Rev Date: 11/14/1986
Description: Installation of two Howell H900 solid state exhaust gas temperature indicators.
TC Nos.: A6WE
Models: McDonnell Douglas CorporationDC-9-30 Series
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 2700 Lone Oak Parkway, Eagan, MN 55124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3888WE	Status: Current	App Date:	Rev Date: 11/14/1986
Description: Installation of an auxiliary fuel tank system in the forward baggage compartment.
TC Nos.: A6WE
Models: McDonnell Douglas CorporationDC-9-31, DC-9-32
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 2700 Lone Oak Parkway, Eagan, MN 55124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3967WE	Status: Current	App Date:	Rev Date: 11/14/1986
Description: Installation of Hughes AirWest coat room assembly No. RW2527036. (727-2M7)
TC Nos.: A3WE
Models: The Boeing Company727
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 2700 Lone Oak Parkway, Eagan, MN 55124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-1042	Status: Historical	App Date:	Rev Date: 11/14/1986
Description: Passenger seating capacity increased to 44.
TC Nos.: 1A7
Models: Martin-Marietta Corporation404
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 2700 Lone Oak Parkway, Eagan, MN 55124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-1209	Status: Historical	App Date:	Rev Date: 11/14/1986
Description: Cabin air-conditioning modification and addition of inflight cabin air recirculation.
TC Nos.: 7A1
Models: Fairchild Industries Inc.F27 Series
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 2700 Lone Oak Parkway, Eagan, MN 55124		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-1209	Status: Current	App Date: 07/29/1960	Rev Date: 11/14/1986
Description: Cabin air-conditioning modification and addition of inflight cabin air recirculation.
TC Nos.: 7A1
Models: Fairchild Industries Inc.F27 Series
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 2700 Lone Oak Parkway, Eagan, MN 55124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-1453	Status: Historical	App Date:	Rev Date: 11/14/1986
Description: Cabin air-conditioning system modification.
TC Nos.: 7A1
Models: Fairchild Industries Inc.F27-A
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 2700 Lone Oak Parkway, Eagan, MN 55124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-327	Status: Historical	App Date:	Rev Date: 11/14/1986
Description: Installation of hydraulic main cabin door lift adapted for use on both Temco and Metropolitan air stair doors.
TC Nos.: A-669
Models: McDonnell Douglas CorporationDC-3C Series
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 2700 Lone Oak Parkway, Eagan, MN 55124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-327	Status: Current	App Date: 09/04/1957	Rev Date: 11/14/1986
Description: Installation of hydraulic main cabin door lift adapted for use on both Temco and Metropolitan air stair doors.
TC Nos.: A-669
Models: McDonnell Douglas CorporationDC-3C Series
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 2700 Lone Oak Parkway, Eagan, MN 55124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-389	Status: Historical	App Date:	Rev Date: 11/14/1986
Description: Installation of cabin emergency lighting.
TC Nos.: A-669
Models: McDonnell Douglas CorporationDC-3C Series
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 1885 University Ave S., St. Paul, MN 55111, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-41	Status: Historical	App Date:	Rev Date:
Description: Structure, power plant, systems and equipment modification.
TC Nos.: 6A3, 6A4, A-781
Models: McDonnell Douglas CorporationDC-6, DC-6 Series, DC-6B (Navy R6D-1Z)
ACO: Chicago ACO Branch, Tel: +1 (847) 294-7358

STC Holder: Northwest Airlines Inc 1885 University Ave S., St. Paul, MN 55111, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-41	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Structure, power plant, systems and equipment modification.
TC Nos.: 6A3, 6A4, A-781
Models: McDonnell Douglas CorporationDC-6, DC-6 Series, DC-6B (Navy R6D-1Z)
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 5101 Northwest Drive Intl Airport, St. Paul, MN 55111, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA469CE	Status: Historical	App Date:	Rev Date:
Description: Fairchild A-100 cockpit voice recorder.
TC Nos.: 4A10
Models: McDonnell Douglas CorporationDC-7C
ACO: Chicago ACO Branch, Tel: +1 (847) 294-7358

STC Holder: Northwest Airlines Inc 5101 Northwest Drive Intl Airport, St. Paul, MN 55111, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA469CE	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Fairchild A-100 cockpit voice recorder.
TC Nos.: 4A10
Models: McDonnell Douglas CorporationDC-7C
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 2700 Lone Oak Parkway, Eagan, MN 55124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA488SW	Status: Historical	App Date:	Rev Date: 11/14/1986
Description: Installation of #1 and #2 VHF communication system, VHF navigation system, #2 compass system, flight data recorder wiring modification, transponder antenna bracket and RCA AVQ-60D transponder.
TC Nos.: 7A1
Models: Fairchild Industries Inc.F27, F27-A, F27-F, F27-J
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 5101 Northwest Drive Intl Airport, St. Paul, MN 55111, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA490GL	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Installation of a Telephonics P/N 547-000-1 central switching unit.
TC Nos.: A20WE
Models: The Boeing Company747-100 Series, 747-200B Series
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 5101 Northwest Drive Intl Airport, St. Paul, MN 55111, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA490GL	Status: Historical	App Date:	Rev Date:
Description: Installation of a Telephonics P/N 547-000-1 central switching unit.
TC Nos.: A20WE
Models: The Boeing Company747-100 Series, 747-200B Series
ACO: Chicago ACO Branch, Tel: +1 (847) 294-7358

STC Holder: Northwest Airlines Inc 5101 Northwest Drive Intl Airport, St. Paul, MN 55111, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA5309NM-D	Status: Current	App Date:	Rev Date: 12/08/2000
Description: Installation of Hughes-Avicom APAX-150 worldlink passenger entertainment system.
TC Nos.: A20WE
Models: The Boeing Company747-200 Series
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 2700 Lone Oak Parkway, Eagan, MN 55124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA631SW	Status: Historical	App Date:	Rev Date: 11/14/1986
Description: Installation of Fairchild A-100 voice recorder system.
TC Nos.: 7A1
Models: Fairchild Industries Inc.F27, F27-A, F27-F, F27-J
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 2700 Lone Oak Parkway, Eagan, MN 55124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA632SW	Status: Historical	App Date:	Rev Date: 11/14/1986
Description: Installation of United Data F-542 recorder.
TC Nos.: 7A1
Models: Fairchild Industries Inc.F27, F27-A, F27-F, F27-J
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 2700 Lone Oak Parkway, Eagan, MN 55124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA663WE	Status: Current	App Date:	Rev Date: 11/14/1986
Description: Installation of Bendix brushless A.C. generator and voltage regulator.
TC Nos.: 7A1
Models: Fairchild Industries Inc.F27-A
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 2700 Lone Oak Parkway, Eagan, MN 55124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA729WE	Status: Historical	App Date:	Rev Date: 11/14/1986
Description: Installation of high density interior arrangement.
TC Nos.: 7A1
Models: Fairchild Industries Inc.F27-A
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 2700 Lone Oak Parkway, Eagan, MN 55124		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA729WE	Status: Current	App Date: 06/04/1964	Rev Date: 11/14/1986
Description: Installation of high density interior arrangement.
TC Nos.: 7A1
Models: Fairchild Industries Inc.F27-A
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 2700 Lone Oak Parkway, Eagan, MN 55124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA750WE	Status: Historical	App Date:	Rev Date: 11/14/1986
Description: Installation of overspeed warning system.
TC Nos.: 7A1
Models: Fairchild Industries Inc.F27-A
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 5101 Northwest Drive Intl Airport, St. Paul, MN 55111, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA819GL	Status: Historical	App Date:	Rev Date: 01/13/1992
Description: Installation of Tracor 7800 Omego/ VLF navigation system. (727-2S7)
TC Nos.: A3WE
Models: The Boeing Company727
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 2700 Lone Oak Parkway, Eagan, MN 55124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA853WE	Status: Historical	App Date:	Rev Date: 11/14/1986
Description: Bendix 4B39 solid state voltage and frequency control modification to Jack & Heintz F-35-5 rotary inverter.
TC Nos.: 7A1
Models: Fairchild Industries Inc.F27 Series
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 5101 Northwest Drive Intl Airport, St. Paul, MN 55111, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA87GL	Status: Historical	App Date:	Rev Date: 09/29/1975
Description: Installation of Bendix GPW-83 ground proximity warning system. (707-351B)
TC Nos.: 4A26
Models: The Boeing Company707
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 5101 Northwest Drive Intl Airport, St. Paul, MN 55111, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA88GL	Status: Historical	App Date:	Rev Date: 09/29/1975
Description: Installation of Bendix GPW-83 ground proximity warning systems.
TC Nos.: A22WE
Models: McDonnell Douglas CorporationDC-10-40
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 5101 Northwest Drive Intl Airport, St. Paul, MN 55111, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA89GL	Status: Historical	App Date:	Rev Date: 07/21/1983
Description: Installation of Bendix GPW-83 ground proximity warning system. (727-51C, -51, -227, -151C, -14, -251)
TC Nos.: A3WE
Models: The Boeing Company727
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 5101 Northwest Drive Intl Airport, St. Paul, MN 55111, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA9041NM-D	Status: Current	App Date:	Rev Date: 12/08/2000
Description: Installation of Hughes-Avicon International video entertainment system. Limited to the DC-10-30 aircraft listed in Systems Lists 623872, 624144, and 623859.
TC Nos.: A22WE
Models: McDonnell Douglas CorporationDC-10-30
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 5101 Northwest Drive Intl Airport, St. Paul, MN 55111, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA90GL	Status: Current	App Date:	Rev Date: 09/20/1983
Description: Installation of Bendix GPW-83 ground proximity warning system. (747SP SERIES -151) (747-2J9F)
TC Nos.: A20WE
Models: The Boeing Company747, 747SP Series
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 2700 Lone Oak Parkway, Eagan, MN 55124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA929WE	Status: Historical	App Date:	Rev Date: 11/14/1986
Description: Installation of wing flap landing gear aural warning installation.
TC Nos.: A-618, A-669
Models: McDonnell Douglas CorporationDC-3 Series, DC-3 Series
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 5101 Northwest Drive Intl Airport, St. Paul, MN 55111, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA95CE	Status: Historical	App Date:	Rev Date:
Description: Crimsco 600301 jet cargo containers in forward cabin.
TC Nos.: 4A28
Models: The Boeing Company720 Series
ACO: Chicago ACO Branch, Tel: +1 (847) 294-7358

STC Holder: Northwest Airlines Inc 5101 Northwest Drive Intl Airport, St. Paul, MN 55111, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA95CE	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Crimsco 600301 jet cargo containers in forward cabin.
TC Nos.: 4A28
Models: The Boeing Company720 Series
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 5101 Northwest Drive Intl Airport, St. Paul, MN 55111, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA960GL	Status: Current	App Date:	Rev Date: 06/16/1992
Description: Install a Delco Systems Operations Division Performance Management System P/N 7891430-251, P/N 7891430-271, or 7891430-311. (747-135, -2J9F, -151)
TC Nos.: A20WE
Models: The Boeing Company747
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 2700 Lone Oak Parkway, Eagan, MN 55124, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA985WE	Status: Historical	App Date:	Rev Date: 11/14/1986
Description: Installation of wing flap actuated landing gear aural warning system.
TC Nos.: 7A1
Models: Fairchild Industries Inc.F27-A
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 5101 Northwest Drive Intl Airport, St. Paul, MN 55111, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST00174LA-D	Status: Current	App Date:	Rev Date: 06/07/2002
Description: Reconfiguration/standardization of interior furnishings and cockpit/avionic systems. Limited to installation of model 747-212B, serial numbers 21941 and 21942 only.
TC Nos.: A20WE
Models: The Boeing Company747
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc Atlanta Hartsfield Intl Arpt 1000 Inner Loop Road, Atlanta, GA 30337-6072, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST00469AT	Status: Current	App Date:	Rev Date: 05/05/1994
Description: Installation of a supplemental or ground wind leading edge-ice protection system.
TC Nos.: A6WE
Models: McDonnell Douglas CorporationDC-9-10 Series
ACO: AIR-750: East Certification Branch ATL

STC Holder: Northwest Airlines Inc 5101 Northwest Drive Intl Airport, St. Paul, MN 55111, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST01160LA	Status: Current	App Date:	Rev Date: 08/14/2001
Description: Modification of upper deck evacuation slide assembly.
TC Nos.: A20WE
Models: The Boeing Company747-200B Series, 747-200F Series
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 5101 Northwest Drive Intl Airport, St. Paul, MN 55111, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST01428CH	Status: Current	App Date:	Rev Date: 04/06/2001
Description: Replacement of existing Teledyne Flight Data Acquisition Unit with a Honeywell (AlliedSignal) Flight Data Acquisition Management Unit and installing interface wiring to aircraft and engine sensors.
TC Nos.: A20WE
Models: The Boeing Company747-200B Series, 747-200F Series
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc Atlanta Hartsfield Intl Arpt 1000 Inner Loop Road, Atlanta, GA 30337-6072, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST01490AT	Status: Current	App Date:	Rev Date: 10/20/1997
Description: Installation of a public address amplifier, p/n 255-302.
TC Nos.: A6WE
Models: McDonnell Douglas CorporationDC-9-31, DC-9-32
ACO: AIR-750: East Certification Branch ATL

STC Holder: Northwest Airlines Inc 5101 Northwest Drive Intl Airport, St. Paul, MN 55111, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST01898CH	Status: Current	App Date: 03/25/2003	Rev Date: 02/23/2004
Description: Installation of a B/E Aerospace Models 4.1 and 4.2 World Business Class (WBC) seats, plus Matsushita Audio Video on Demand (AVOD) system with portable electronic device (PED) outlets deactivated using Master Drawing List SA2521-01339-2, latest FAA approved revision.
TC Nos.: A20WE
Models: The Boeing Company747-400 Series
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 5101 Northwest Drive Intl Airport, St. Paul, MN 55111, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST01898CH	Status: Historical	App Date: 03/25/2003	Rev Date: 11/03/2003
Description: Installation of a B/E Aerospace Models 4.1 and 4.2 World Business Class (WBC) seats, plus Matsushita Audio Video on Demand (AVOD) system with portable electronic device (PED) outlets deactivated using Master Drawing List SA2521-01339-2, latest FAA approved revision.
TC Nos.: A20WE
Models: The Boeing Company747-400 Series
ACO: Chicago ACO Branch, Tel: +1 (847) 294-7358

STC Holder: Northwest Airlines Inc Bldg. C, 7500 Airline Drive, Minneapolis, MN 55450-1101, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST01967CH	Status: Current	App Date: 09/09/2003	Rev Date: 03/19/2007
Description: Modification of DC-9 Tail Cone Slide Cover.
TC Nos.: A6WE
Models: McDonnell Douglas CorporationDC-9-11, DC-9-12, DC-9-13, DC-9-14, DC-9-15, DC-9-15F, DC-9-21, DC-9-31, DC-9-32, DC-9-32F, DC-9-33F, DC-9-34, DC-9-34F, DC-9-41, DC-9-51
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc Bldg. C, 7500 Airline Drive, Minneapolis, MN 55450-1101, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST02072CH	Status: Current	App Date: 09/10/2004	Rev Date: 11/09/2004
Description: Install modified forward closet at STA 320, LBL 15.75, WL-19.45.
TC Nos.: A28NM
Models: AirbusA319 Model -114
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc Bldg. C, 7500 Airline Drive, Minneapolis, MN 55450-1101, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST02082CH	Status: Current	App Date: 10/26/2004	Rev Date: 12/16/2004
Description: Install modified forward closet at STA 320, LBL 15.75, WL-1945.
TC Nos.: A28NM
Models: AirbusA320 Model -211, A320 Model -212
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc Bldg. C, 7500 Airline Drive, Minneapolis, MN 55450-1101, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST02153CH	Status: Current	App Date: 01/25/2007	Rev Date: 12/07/2007
Description: Installations of a Flight Deck Door Lighting System
TC Nos.: A46NM
Models: AirbusA330-223, A330-323
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc Bldg. C, 7500 Airline Drive, Minneapolis, MN 55450-1101, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST02455CH	Status: Current	App Date: 05/15/2007	Rev Date: 06/19/2008
Description: Installation of Meal/Waste Carts and Meal Containers, P/N CH06-101A1NW, CH06-102A1NW, CH08-101A1NW, and UH02-101A1NW, in galley G1 (P/N A669001UK107), G2 (P/N 9867001UL101) and G3 (P/N 9875001VJ101),
TC Nos.: A21EA
Models: Bombardier Inc.CL-600-2D24 (Regional Jet Series 900)
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc Bldg. C, 7500 Airline Drive, Minneapolis, MN 55450-1101, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST02474CH	Status: Current	App Date: 01/25/2007	Rev Date: 10/01/2007
Description: Installations of a Flight Deck Door Lighting System.
TC Nos.: A20WE
Models: The Boeing Company747-400 Series
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc Bldg. C, 7500 Airline Drive, Minneapolis, MN 55450-1101, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST02484CH	Status: Current	App Date: 10/17/2007	Rev Date: 06/19/2008
Description: Installation of Half Size Carts, P/N CH06-101A1NW, CH06-102A1NW, CH08-101A1NW, and Full Size Carts, P/N CF07-101A1NW, CF07-102A1NW, and CF-08-101A1NW in galleys G1A (P/N 6361001-102), G1B (P/N 6371001-102), G2A (P/N 6381001-102), G4B (P/N 6391001-102),
TC Nos.: A2NM
Models: The Boeing Company757-200 Series
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc Bldg. C, 7500 Airline Drive, Minneapolis, MN 55450-1101, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST02485CH	Status: Current	App Date: 05/15/2007	Rev Date: 06/19/2008
Description: Installation of Half Size Carts, P/N CH06-101A1NW, CH06-102A1NW, CH08-101A1NW and Full Size Carts, P/N CF07-101A1NW, CF07-102A1NW, and CF08-101A1NW in galleys G1A (P/N 414100-1 and 101366-1), G1B (P/N 414200-1 and 101367-1), G2A (P/N 414300-1 and 101468-1), G2B (P/N 501169-1 and 501169-11 or 501169-21), G2C (P/N 414500-1 and 101383-1), G3A (P/N 414600-1 and 101370-1), G3B (P/N 414700-1 and 101371-1), G3C (P/N, 414800-1 and 101372-1), G4 (P/N 414900-1 and 101373-1), DR 1 Unit (P/N 423600-1 and 101382-1) Upper Deck Galley (P/N 415300-1, 415200-1 & 45100-1, 415400-1 and 101374-1).
TC Nos.: A20WE
Models: The Boeing Company747-400 Series
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc Bldg. C, 7500 Airline Drive, Minneapolis, MN 55450-1101, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST02486CH	Status: Current	App Date: 05/15/2007	Rev Date: 06/19/2008
Description: Installation of Half Size Carts, P/N CH06-101A1NW, CH06-102A1NW, CH08-101A1NW and Full Size Carts,P/N CF07-101A1NW, CF07-102A1NW, and CF08-101A1NW in galleys G1A (P/N 1045L12C00000),G1B (P/N 1045L13A00000), G2A (P/N 1045L21A00000), G2B (P/N 1045L22A00000), G3A (P/N 1045L44C00000),G3B (P/N 1045L42A00000), G3C (P/N, 1045L41C00000).
TC Nos.: A46NM
Models: AirbusA330-201, A330-202, A330-203, A330-223, A330-243, A330-301, A330-302, A330-303, A330-321, A330-322, A330-323, A330-341, A330-342, A330-343
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc Bldg. C, 7500 Airline Drive, Minneapolis, MN 55450-1101, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST02613CH	Status: Current	App Date: 02/12/2008	Rev Date: 08/11/2008
Description: Installation of a corporate interior inlcuding seats, bulkheads, and tables.
TC Nos.: A28NM
Models: Airbus IndustrieA319 Model -114
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Northwest Airlines Inc 5101 Northwest Drive Intl Airport, St. Paul, MN 55111, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST486CH	Status: Current	App Date:	Rev Date: 03/19/1996
Description: Installation of Michelin main landing gear tire 40X14/24PR/225mph, p/n029-769-0.
TC Nos.: A6WE
Models: McDonnell Douglas CorporationDC-9-31, DC-9-32
ACO: AIR-760: Central Certification Branch CHI