FAA STC category
Propellers STCs
Propeller, blade, governor, and related installation changes. This directory contains 492 selected records listed with status Current in the June 30, 2026 FAA DRS snapshot and links every entry to its source.
Installation of MT-Propeller Entwicklung GmbH's.
FAA holder: MT- Propeller Entwicklung GmbH
Installation of Hartzell propeller models HC-C2YR-1N/NG8301-3 and HC-C3YlR-lN/NG8301-5.
FAA holder: Hartzell Propeller Inc
Installation of McCauley 2A34C209/78CCA-2 Propeller.
FAA holder: Swift Museum Foundation Inc
Installation of a McCauley Model 1A170E/JHA7660 propeller and new 6.00X6, 6 ply main tires.
FAA holder: Air Plains Services Corporation
Installation of a Hartzell Propeller model HC-B4TN-3C/T10702NS (4 Blade).
FAA holder: Aero Innovations LLC
Installation of a Hartzell Propeller Inc. Model HC-C2YR-1N/NG8301-3 Propeller.
FAA holder: Cub Crafters, Inc
Installation and maintenance of main rotor blade assembly P/N 20631000-101.
FAA holder: Van Horn Aviation LLC
Installation of MT-Propeller Entwicklung GmbH's Model# MTV-14-D-C-F/CF(L)185-59b 4-Blade constant speed, full feathering propellers, spinners, and optional MT-Propeller Entwicklung GmbH's Model# P-8( )5-87S governors on Textron Aviation Inc. Model T303 aircraft.
FAA holder: MT- Propeller Entwicklung GmbH
Installation of Hartzell propeller model HC-C2YR-IBFP/F7894.
FAA holder: Hartzell Propeller Inc
Modify for Utility Category by removing McCauley Constant Speed Propeller, Spinner, and Governor. Replace with McCauley 1A230/AFC fixed pitch propeller and 0752633-1 spinner. Remove standard horizontal empennage and replace with 1232600-7 stabilizer and 1234600-1 and -2 elevators.
FAA holder: Textron Aviation Inc
Installation of a Hartzell HC-C2YR-1N/NG8301-5 propeller.
FAA holder: General Aviation Modifications, Inc.
Installation of Teledyne Continental Motors IO-520-A & -F (as modified by STC SE03704AT) or IO-550 F (as modified by STC SE03705AT) and Hartzell Propeller (P)HC-(C or J)3YF-1RF/F8468(B,K) 3 bladed metal propeller, or McCauley Propeller models D3A34C401/90DFA-() or D3A34C402/90DFA-().
FAA holder: Vitatoe Aviation LLC
Installation of Hartzell propeller model 3A1-TP724A1/75A01-2.
FAA holder: Hartzell Propeller Inc
The installation of MT-Propeller Entwicklung GmbH's Model# MTV-9-B/200-58 three Blade constant speed propeller and spinner.
FAA holder: MT- Propeller Entwicklung GmbH
Installation of a BLR Hartzell Composite Propeller.
FAA holder: Textron Aviation Inc
The installation of MT-Propeller Entwicklung GmbH's Model# MTV-9-B/198-52 3-Blade constant speed propeller and spinner.
FAA holder: MT- Propeller Entwicklung GmbH
Installation of Hartzell propeller model HC-E5A-3A/NC10245B.
FAA holder: Hartzell Propeller Inc
The installation of MT-Propeller Entwicklung GmbH's Model# MTV-27-1-E-C-F-R(P)/CFR210-58d 5-Blade propeller.
FAA holder: MT- Propeller Entwicklung GmbH
The installation of MT-Propeller Entwicklung GmbH's Model# MTV-9-B/198-52 3-Blade constant speed propeller.
FAA holder: MT- Propeller Entwicklung GmbH
The installation of MT-Propeller Entwicklung GmbH's Model# MTV-9-B/198-52 3-Blade constant speed propellers.
FAA holder: MT- Propeller Entwicklung GmbH
Installation of Hartzell propeller model 5D3-N338A1/78D01B.
FAA holder: Hartzell Propeller Inc
Installation of Pratt & Whitney Canada PT6A engines and Hartzell HC-B3TN-3 propeller.
FAA holder: Turbine Conversions Ltd
Installation of a McCauley Propeller Systems model 4D3A37C3401/C80MNF-1 propeller.
FAA holder: General Aviation Modifications, Inc.
Installation of Hartzell propeller model HC-C3YR-1( )F/F7663R.
FAA holder: Hartzell Propeller Inc
Installation of the Hartzell propeller model HC-C3YR-1RF/F7282.
FAA holder: Hartzell Propeller Inc
Installation of Hartzell Model PHC-(C,L)3YF-1RF/F8068 three bladed propeller.
FAA holder: D'Shannon Products Ltd.
Installation of a Hartzell Propeller model .HC-B4TN-3C/T10702NS (4 Blade).
FAA holder: Aero Innovations LLC
Installation of Hartzell Propeller Model PHC-J3YF-1N/N7605()-2 composite propeller.
FAA holder: Hartzell Propeller Inc
Installation of Hartzell Propeller models PHC-J3YF-1RF/7498() 3 bladed metal propeller.
FAA holder: Hartzell Propeller Inc
Installation of a McCauley propeller part number 3A32C418-G/82NRC-9.
FAA holder: CAV Ice Protection Inc
Installation of Aircraft Development propeller vortelators.
FAA holder: Aircraft Development Co
Installation of the Model MTV-9-B/188-50 constant speed 3-bladed propeller.
FAA holder: MT- Propeller Entwicklung GmbH
Keystone Helicopter Main Rotor Blade Recognition Lights installation.
FAA holder: Sikorsky Aircraft Corporation
Installation of a Main Rotor Blade Recognition Light.
FAA holder: Sikorsky Aircraft Corporation
Fabrication and installation of Dynamic Propeller Cowl Flap Support Kit.
FAA holder: Dynamic Propeller
Installation of Hartzell propeller model HC-G2YR-1BFP/F7894-1.5.
FAA holder: Hartzell Propeller Inc
Installation of Hartzell HC-C2YR-1BFP/F8068, or HC-F2YR-1BFP/F8068 constant speed propeller.
FAA holder: Professional Pilots Inc.
The installation of 5-Blade MT-Propeller (Model# MTV-27-1-E-C-F-R(P) / CFR210-58d) propellers.
FAA holder: MT- Propeller Entwicklung GmbH
Installation of a windshield carburetor propeller alcohol system.
FAA holder: Sabreliner Aviation LLC
Installation of 4-Blade MT-Propeller (Model# MTV-16-1-E-C-F-R(P) / CFR240-55).
FAA holder: MT- Propeller Entwicklung GmbH
Installation of Hartzell propeller model HC-E5N-3C/NC8834K.
FAA holder: Hartzell Propeller Inc.
Modification of main rotor blade part number 6415-20601-041, -042, and -043.
FAA holder: Helicopter Transport Services LLC
Installation of MT-Propeller Model MTV-27-1-E-C-F-R(G)/CFRL250-103.
FAA holder: MT-Propeller USA Inc.
Installation of the Hartzell propeller model HC-C2YR-1BF/F7666A-4 or HC-C2YR-1BFP/F7497 propeller.
FAA holder: Hartzell Propeller Inc
Installation of Hartzell HC-F3YR-1ARF/F8068(B,K) propeller.
FAA holder: Hartzell Propeller Inc
Installation of Continental IO-470-C, or IO-470-N and either a McCauley 2A36C23/84B-0, 2A37C223/90RB-6, 3A34C423/90DFA-10, or 3A36C434/80VEA-0; Beech 278-100-11/278-214-82, or 278-100-13/278-214-82; Flottorp F12A-3/8400-2; or Hartzell PHC-I3YF-1RF/F8468A-6R Propeller.
FAA holder: D'Shannon Products Ltd.
Installation of a VAn Horn Aviation Tail Rotor Blade.
FAA holder: Van Horn Aviation LLC
Installation of McCauley Propeller model 1A200FA824X.
FAA holder: Svenn s Aviation LLC
Installation of Hartzell HC-(C,I,F)3YR-1(A)RF/F8068(K) or HC-(C,I,F)3YR-1(A)RF/F7693F(K)+2 propeller.
FAA holder: Hartzell Propeller Inc
Installation of Hoffmann HO 4/27 BHM-185 fixed pitch propeller in accordance with FAA Mile High Gliding, Inc. Report No. 2501 dated June 18, 1984, or later FAA approved revision. FAA Approved Airplane Flight Manual supplements are required for normal category as listed in the Approved Model List.
FAA holder: Mile High Gliding Inc.
Installation of a de-icing system externally on the Dowty Rotol propeller spinner.
FAA holder: ROBERT W. MURRAY
Installation of Hartzell HC-C3Y(K, R)-1BLF/FL7663( )-4R propeller in accordance with Farrington Aircraft Corporation Installation Instructions FAC-2001 dated October 1, 1976.
FAA holder: Heliplane Aircraft Corporation International
Installation of McCauley Propeller Model 3AF32C504/82NEA, on Beechcraft Models 95-C55, 95-C55A, D55, D55A, E55, & E55A and McCauley Propeller Model, 3AF32C512/82NEA, on Beechcraft Models 58 & 58A, per Colemill Enterprises Installations Instructions dated November 11, 1994, or later FAA Approved Revision.
FAA holder: Mike Jones Aircraft Sales Inc.
Installation of McCauley propeller governor.
FAA holder: Mike Jones Aircraft Sales Inc.
Installation of an AVIA V508E-AG106A Model Propeller.
FAA holder: Turbine Conversions Ltd
Installation of 5-blade propeller MTV-D-C-F-R(A)/CFR210-56 propeller.
FAA holder: MT- Propeller Entwicklung GmbH
Installation of 4-blade propeller MTV-14-D-C-F/CF188-30g.
FAA holder: MT- Propeller Entwicklung GmbH
Installation of a McCauley C234C204/90DCB-8 propeller to a Teledyne Continental Motors Model O-470-U modified.
FAA holder: John Jewell Aircraft Inc
Installation of a McCauley C234C204/90DCB-8 propeller to a Teledyne Continental Motors Model O-470-U modified.
FAA holder: John Jewell Aircraft Inc