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: 9

STC Holder: Schweis Robert W 8614 Lupton Lane, Houston, TX 77255, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SP09390SC	Status: Current	App Date:	Rev Date: 01/09/1998
Description: Replace Hamilton Standard inboard and outboard piston gaskets and nut with RSW piston crown.
TC Nos.: 249, P-206, P-257
Models: Hamilton Standard Division12D, 2D, 3D
ACO: AIR-760: Central Certification Branch FTW

STC Holder: Schweis Robert W 8614 Lupton Lane, Houston, TX 77255, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SP09397SC	Status: Current	App Date:	Rev Date: 11/18/1997
Description: Installation of a propeller blade seal.
TC Nos.: P-257
Models: Hamilton Standard Division12D
ACO: AIR-760: Central Certification Branch FTW

STC Holder: Schweis Robert W 8614 Lupton Lane, Houston, TX 77255, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SP09397SC	Status: Current	App Date:	Rev Date: 01/09/1998
Description: Installation of a propeller blade seal.
TC Nos.: 249, P-206, P-257
Models: Hamilton Standard Division12D, 2D, 3D
ACO: AIR-760: Central Certification Branch FTW

STC Holder: Schweis Robert W 8614 Lupton Lane, Houston, TX 77255, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SP7836SW	Status: Current	App Date:	Rev Date: 06/11/1991
Description: Installation of Condor bushing, P/N C.P. 22001.
TC Nos.: 249, 377, P-206, P-257
Models: Hamilton Standard Division12D, 2D, 2E, 3D
ACO: AIR-760: Central Certification Branch FTW

STC Holder: Schweis Robert W 8614 Lupton Lane, Houston, TX 77255, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SP8467SW	Status: Current	App Date:	Rev Date: 11/18/1992
Description: Installation of counterweight bearings and shaft assembly kit C.P. 22000.
TC Nos.: P-206
Models: Hamilton Standard Division2D
ACO: AIR-760: Central Certification Branch FTW

STC Holder: Schweis Robert W 8614 Lupton Lane, Houston, TX 77255, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SP8468SW	Status: Current	App Date:	Rev Date: 11/18/1992
Description: Installation of counterweight bearings and shaft assembly kit C.P. 22000. (12D 40)
TC Nos.: P-257
Models: Hamilton Standard Division12D
ACO: AIR-760: Central Certification Branch FTW

STC Holder: Schweis Robert W 8614 Lupton Lane, Houston, TX 77255, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SP8469SW	Status: Current	App Date:	Rev Date: 11/18/1992
Description: Installation of counterweight bearings and shaft assembly kit C.P. 22000. (2E 40)
TC Nos.: 377
Models: Hamilton Standard Division2E
ACO: AIR-760: Central Certification Branch FTW

STC Holder: Schweis Robert W 8614 Lupton Lane, Houston, TX 77255, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SP8470SW	Status: Current	App Date:	Rev Date: 11/18/1992
Description: Installation of counterweight bearings and shaft assembly kit C.P. 22000. (3D 40)
TC Nos.: 249
Models: Hamilton Standard Division3D
ACO: AIR-760: Central Certification Branch FTW

STC Holder: Schweis Robert W 8614 Lupton Lane, Houston, TX 77255, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SP8715SW	Status: Current	App Date:	Rev Date: 05/24/1994
Description: Installation of a 'R S W' blade thrust bearing assembly in all D-shank blades of counterweight type propellers. (2D 30) (23D 40) (12D 40) (22D 40) (3D 450) (24D 50)
TC Nos.: 249, P-206, P-257, P-719, P-736, P-784
Models: Hamilton Standard Division12D, 22D, 23D, 24D, 2D, 3D
ACO: AIR-760: Central Certification Branch FTW