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: 1

STC Holder: Underwood - Instrument Services, Inc. 4453 Glenn Curtiss Drive, Addison, TX 75001, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST09992SC	Status: Current	App Date: 12/04/2001	Rev Date: 06/11/2002
Description: Replace existing production installed S-225 series Mach Airspeed Indicators with REVUE THOMMEN AG Type 5C18.22.65K.00.0 Mach Airspeed Indicators.
TC Nos.: A10CE
Models: Learjet Inc.24, 24A, 24B, 24D, 24F, 25, 25A, 25B, 25C, 25D, 25F
ACO: AIR-760: Central Certification Branch FTW