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No. of STCs: 6

STC Holder: Mr RPM, Inc P.O. Box 4580, Waco, TX 76705, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2478SW	Status: Historical	App Date:	Rev Date: 07/15/1977
Description: Installation of Lycoming IO-720- B1B engine and increase take-off and landing weight to 7800 lbs.
TC Nos.: 6A1
Models: Twin Commander Aircraft Corporation500-S
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140

STC Holder: Mr RPM, Inc Suite 321 7120 Hayvenhusrt Ave, Van Nuys, CA 91406, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2691WE	Status: Historical	App Date:	Rev Date: 07/22/1974
Description: Installation of Lycoming IO-720-BIB turbocharged engine.
TC Nos.: 2A4
Models: Twin Commander Aircraft Corporation680-F
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Mr RPM, Inc Suite 321 7120 Hayvenhusrt Ave, Van Nuys, CA 91406, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2891WE	Status: Historical	App Date:	Rev Date: 08/02/1974
Description: Installation of Lycoming IO-720-B1B turbocharged engine.
TC Nos.: 2A4
Models: Twin Commander Aircraft Corporation680-F, 680FL, 680FL(P)
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Mr RPM, Inc Suite 321 7120 Hayvenhusrt Ave, Van Nuys, CA 91406, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3405WE	Status: Historical	App Date:	Rev Date: 05/24/1977
Description: Installation of fuselage fuel tank.
TC Nos.: 2A4
Models: Twin Commander Aircraft Corporation560F, 680, 680-F
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Mr RPM, Inc Suite 321 7120 Hayvenhusrt Ave, Van Nuys, CA 91406, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3517WE	Status: Current	App Date:	Rev Date: 12/23/1977
Description: Installation of cockpit overhead windows.
TC Nos.: 2A4
Models: Twin Commander Aircraft Corporation560F, 680-F
ACO: AIR-770: West Certification Branch LA

STC Holder: Mr RPM, Inc Suite 321 7120 Hayvenhusrt Ave, Van Nuys, CA 91406, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SE62WE	Status: Historical	App Date:	Rev Date: 08/19/1975
Description: Installation of two Rajay turbo- chargers, P/N RJ 0326 or -1 or -2.
TC Nos.: 1E15
Models: Textron Lycoming AVCO CorporationIO-720-B1B
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200