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: 12

STC Holder: J L Osborne 8399 Pyott Road, Lake in the Hills, IL 60156, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA03122CH	Status: Historical	App Date: 10/14/2011	Rev Date: 06/06/2012
Description: Increase Maximum Gross weight to 4011 pounds for Normal Category operations
TC Nos.: 3A15
Models: Hawker Beechcraft Corporation36, A36, A36TC, G36
ACO: Chicago ACO Branch, Tel: +1 (847) 294-7358

STC Holder: J L Osborne 8399 Pyott Road, Lake in the Hills, IL 60156, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA03122CH	Status: Historical	App Date: 10/14/2011	Rev Date: 09/07/2016
Description: Increase Maximum Gross weight to 4011 pounds for Normal Category operations
TC Nos.: 3A15
Models: Hawker Beechcraft Corporation36, A36, A36TC, G36
ACO: Chicago ACO Branch, Tel: +1 (847) 294-7358

STC Holder: J L Osborne 8399 Pyott Road, Lake in the Hills, IL 60156, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-1007	Status: Historical	App Date: 12/17/1959	Rev Date: 03/01/2016
Description: Installation of balance weights(Brittain Aircraft P/N 3010) on leading edge of Navion ailerons.
TC Nos.: 2A1, A-782
Models: Multitech Engineering CorporationD-16, D-16A Navion Aircraft Company Ltd.Navion A (L-17B), Navion A (L-17C), Navion B, Navion D, Navion E, Navion F
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: J L Osborne 8399 Pyott Road, Lake in the Hills, IL 60156, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-1028	Status: Historical	App Date: 01/11/1960	Rev Date: 03/01/2016
Description: Installation of Brittain Industries 20-gallon wing tip tanks.
TC Nos.: 2A1
Models: Multitech Engineering CorporationD-16, D-16A
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: J L Osborne 8399 Pyott Road, Lake in the Hills, IL 60156, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-1121	Status: Historical	App Date: 03/22/1960	Rev Date: 03/01/2016
Description: Increase in allowable gross weight from 2850 to 3100 pounds per STC SA4-915 when equipped with 20 gallon wing-tip tanks (Brittain Aircraft P/N 1000) installed.
TC Nos.: A-782
Models: Navion Aircraft Company Ltd.Navion B
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: J L Osborne 8399 Pyott Road, Lake in the Hills, IL 60156, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-1235	Status: Historical	App Date: 02/21/1960	Rev Date: 02/08/2017
Description: Installation of 15-gallon wing tip fuel tanks.
TC Nos.: 1A15
Models: Piper Aircraft Inc.PA-24-250, PA-24-260, PA-24-400
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: J L Osborne 8399 Pyott Road, Lake in the Hills, IL 60156, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-1235	Status: Historical	App Date: 02/21/1960	Rev Date: 03/01/2016
Description: Installation of 15-gallon wing tip fuel tanks.
TC Nos.: 1A15
Models: The New Piper Aircraft Inc.PA-24-250, PA-24-260
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: J L Osborne 8399 Pyott Road, Lake in the Hills, IL 60156, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-1351	Status: Historical	App Date: 10/04/1960	Rev Date: 03/01/2016
Description: Wing tip fuel tanks installed.
TC Nos.: 1A15
Models: The New Piper Aircraft Inc.PA-24
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: J L Osborne 18173 Osborne Road, Victorville, CA 92394, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-1629	Status: Historical	App Date: 09/24/1961	Rev Date: 04/17/2008
Description: Installation of wing tip fuel tanks.
TC Nos.: 3A15, A-777
Models: Hawker Beechcraft Corporation35-33, 35-A33, 35-B33, 35-C33, 35-C33A, 35R, 36, A35, A36, A36TC, B35, C35, D35, E33A, E35, F33A, F35, G35, G36, H35, J35, K35, M35, N35, P35, S35, V35, V35A, V35B
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: J L Osborne 8399 Pyott Road, Lake in the Hills, IL 60156, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-1629	Status: Historical	App Date: 09/24/1961	Rev Date: 09/29/2009
Description: Installation of wing tip fuel tanks.
TC Nos.: 3A15, A-777
Models: Hawker Beechcraft Corporation35-33, 35-A33, 35-B33, 35-C33, 35-C33A, 35R, 36, A35, A36, A36TC, B35, C35, D35, E33A, E35, F33A, F35, G35, G36, H35, J35, K35, M35, N35, P35, S35, V35, V35A, V35B
ACO: Chicago ACO Branch, Tel: +1 (847) 294-7358

STC Holder: J L Osborne 8399 Pyott Road, Lake in the Hills, IL 60156, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-915	Status: Historical	App Date: 07/24/1958	Rev Date: 03/01/2016
Description: Installation of Brittain Mark II20-gallon wing tip tanks(P/N 2009).
TC Nos.: A-782
Models: Navion Aircraft Company Ltd.Navion Series
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: J L Osborne 8399 Pyott Road, Lake in the Hills, IL 60156, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA727WE	Status: Historical	App Date: 04/01/1964	Rev Date: 03/01/2016
Description: Installation of Brittain Industries Model TT-5 wing tip fuel tanks.
TC Nos.: A1EA
Models: The New Piper Aircraft Inc.PA-30
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200