The Aviation DataBase®
Complete Aviation Regulatory Library
Sept. 11 Sept. 11
DataBases updated: Jan 1st, 2026
Home Products Library Support Account Login Contact

STC Holder: Wasmuth Company

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: 4

STC Holder:
Wasmuth Company
7331 Varna Building 10, N. Hollywood, CA 91603, United States
If you are an STC Holder, Contact us to have your company added here!
STC No.: SE4-944Status: CurrentApp Date: Rev Date: 01/01/1960
Description: Modification of Pratt & Whitney18394 pinion assembly to the equivalent of Pratt & Whitney57612 designated as Wasmuth W-1.
TC Nos.: 5E-5
Models:
Pratt & Whitney DivisionR-2000 Series
ACO: AIR-770: West Certification Branch LA
STC Holder:
Wasmuth Company
7331 Varna Building 10, N. Hollywood, CA 91603, United States
If you are an STC Holder, Contact us to have your company added here!
STC No.: SE4-944Status: HistoricalApp Date: Rev Date:
Description: Modification of Pratt & Whitney18394 pinion assembly to the equivalent of Pratt & Whitney57612 designated as Wasmuth W-1.
TC Nos.: 5E-5
Models:
Pratt & Whitney DivisionR-2000 Series
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200
STC Holder:
Wasmuth Company
7331 Varna Building 10, N. Hollywood, CA 91603, United States
If you are an STC Holder, Contact us to have your company added here!
STC No.: SEW-6Status: HistoricalApp Date: Rev Date:
Description: Modification of Pratt & Whitney47669 and 96669 gear assemblies to the equivalent of Pratt & Whitney 88738 designates as Wasmuth W-2.
TC Nos.: 5E-5
Models:
Pratt & Whitney DivisionR-2000 Series
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200
STC Holder:
Wasmuth Company
7331 Varna Building 10, N. Hollywood, CA 91603, United States
If you are an STC Holder, Contact us to have your company added here!
STC No.: SEW-6Status: CurrentApp Date: Rev Date: 01/01/1960
Description: Modification of Pratt & Whitney 47669 and 96669 gear assemblies to the equivalent of Pratt & Whitney 88738 designates as Wasmuth W-2.
TC Nos.: 5E-5
Models:
Pratt & Whitney DivisionR-2000 Series
ACO: AIR-770: West Certification Branch LA