The STC search system is a complimentary service provided to the aviation community. We hope you find it useful. Our primary product is a comprehensive library of aviation regulations and standards, including tools for generating Airworthiness Directive compliance reports.

No. of STCs: 5

STC Holder: Web Thomas Aircraft Sales P.O. Box 575, Addison, TX 75001, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-216	Status: Current	App Date:	Rev Date: 11/01/1975
Description: Picture window.
TC Nos.: A-723
Models: Lockheed Aircraft CorporationLockheed 18
ACO: AIR-760: Central Certification Branch FTW

STC Holder: Web Thomas Aircraft Sales P.O. Box 575, Addison, TX 75001, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-217	Status: Current	App Date:	Rev Date: 11/01/1975
Description: Main cabin floor structure.
TC Nos.: A-723
Models: Lockheed Aircraft CorporationLockheed 18
ACO: AIR-760: Central Certification Branch FTW

STC Holder: Web Thomas Aircraft Sales P.O. Box 575, Addison, TX 75001, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-397	Status: Current	App Date:	Rev Date: 11/01/1975
Description: Structural installation of flight line 24 P-001 seat.
TC Nos.: A-723
Models: Lockheed Aircraft CorporationLockheed 18
ACO: AIR-760: Central Certification Branch FTW

STC Holder: Web Thomas Aircraft Sales P.O. Box 575, Addison, TX 75001, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-69	Status: Current	App Date:	Rev Date: 11/01/1975
Description: Lockheed Model 18 modified to Learstar Mark II configuration.
TC Nos.: A-723
Models: Lockheed Aircraft CorporationLockheed 18
ACO: AIR-760: Central Certification Branch FTW

STC Holder: Web Thomas Aircraft Sales P.O. Box 575, Addison, TX 75001, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-72	Status: Current	App Date:	Rev Date: 11/01/1975
Description: Radar nose for Bendix C-Band, Bendix X-Band, or RCA C-Band.
TC Nos.: A-723
Models: Lockheed Aircraft CorporationLockheed 18
ACO: AIR-760: Central Certification Branch FTW