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.
Showing 481–492 of 492Page 5 of 5
Propeller autofeathering system installation.
FAA holder: Signature Flight Support Corporation
Installation of windshield and propeller anti-ice system.
FAA holder: Signature Flight Support Corporation
Installation of fiberglass propeller spinner on aircraft equipped with 33D50 or 23E50 Hamilton Std. propeller hub.
FAA holder: Signature Flight Support Corporation
Installation of propeller autofeathering system and mixture indicator.
FAA holder: Signature Flight Support Corporation
Installation of 36-inch main rotor blade leading edge abrasion strip.
FAA holder: Composite Technology, Inc
Installation of 36-inch main rotor blade leading edge abrasion strips.
FAA holder: Composite Technology, Inc
Installation of Hamilton Standard 3D40 Hub with Pacific Propeller AG-100-2 propeller blades.
FAA holder: Cascade Flying Service LLC