Aircraft STC directory
Textron Aviation 175C STCs
The Jun 30, 2026 FAA DRS snapshot contains 24 selected supplemental type certificates with status Current whose public applicability data names the Textron Aviation 175C. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
Modification demand surface
Recorded holders
Recently revised 175C STCs
Showing the 24 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
Installation of the nose tire scraper P/N TSL-100.
FAA holder: Aero Twin Inc.
Installation of the Hartzell Model HC-C2YR-1N/NG8301-3 Propeller.
FAA holder: General Aviation Concepts
Installation of oil filter kit.
FAA holder: Franklin Aircraft Engines Inc.
Installation of the Hartzell Model HC-C2YR-1N/NG8302-7 Propeller.
FAA holder: General Aviation Concepts
Installation of electric inflatable door seal.
FAA holder: TALCO Aviation Corp.
Installation of the Hartzell ModelHC-C2YR-1BF/F8477-4 Propeller and Hartzell Model C-1576 Damper Assembly or Hartzell Model HC-C2YR-1N/NG8301.
FAA holder: David A. Stoots
Installation of leading edge "CUFF" and aileron gap covers on each wing.
FAA holder: Stene Aviation Inc
Installation of a Continental Aerospace Technologies IO-370CLC1U8 and Hartzell Model HC-C2YR-1N/NG8301,-3, -7 Propeller.
FAA holder: David A. Stoots
Installation of the Whelen Orion 600 Series Light Assembly.
FAA holder: AO Aviation LLC
Replacement of original 'T' style control yoke with 'Y' style control yoke.
FAA holder: General Aviation Concepts
Installation of Lycoming O-320 and O-360 series engine with Hartzell propeller.
FAA holder: General Aviation Concepts
Installation of Wipaire Model 2350 Amphibian/Seaplane Floats and McCauley Model 1A200/WFA propeller.
FAA holder: Wipaire Inc
Installation of an Air Stream Switch for an electric time recording device on non-pressurized aircraft.
FAA holder: Henry F Rogers/David E Polley
Installation of fiberglass wing tips.
FAA holder: Evans & Bailey Holdings LLC
Installation of various models of the Continental IO360 Engine.
FAA holder: Mr. Thomas Anderson
Fabrication and installation of F. Atlee Dodge p/n 8008 Firewall Battery Box.
FAA holder: F. Atlee Dodge Aircraft Services, LLC
Installation of Lycoming Engine Models IO-360-A1A, -A1B, -A1B6, -M1A, or -M1B; Hartzell propeller models HC-C2YR-1BF/F7666A()/F8477(), HC-C2YR-1N/NG8301(), or MT-Propeller Model MTV-15-() and associated modified powerplant components.
FAA holder: Stoots Aviation David S. Stoots
Fabrication of R.M.D. Aircraft Lighting, Inc., wing-tip and landing light Kit No. 00190-C.
FAA holder: Knots 2U Ltd.
Installation of Lycoming Engine Model IO-390-A3A6 with Hartzell model HC-C2YR-1BFP/F8477-2,-4; HC-C2YR-1N/NG8301(); or MT propeller model MTV-15-B/210-58.
FAA holder: David A. Stoots dba Stoots Aviation LLC