Aircraft STC directory
New Piper Aircraft PA-32RT-300 STCs
The Jun 30, 2026 FAA DRS snapshot contains 13 selected supplemental type certificates with status Current whose public applicability data names the New Piper Aircraft PA-32RT-300. 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 PA-32RT-300 STCs
Showing the 13 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
Installation of a composite 'HOWL COWL,' mod comp engine cowling w/COWL FLAPS, full length nosegear close doors, belly fairing aft of firewall to streamline forward sec of exposed belly structures 'strakes' and large access doors on both sides of cowling.
FAA holder: Whelen Aerospace Technologies
Installation of main landing gear fairings.
FAA holder: Whelen Aerospace Technologies
Manufacture and installation of replacement wing tips.
FAA holder: Knots 2U Ltd.
Installation of stretcher in lieu of rear seats.
FAA holder: Aviation Fabricators Inc
Installation of the King KFC-200 automatic flight control system.
FAA holder: Honeywell International Inc
Installation of inflatable door seal.
FAA holder: TALCO Aviation Corp. dba RAJAY Turbo Products
Installation of B&C Specialty Products BC410-1 Standby Alternator System.
FAA holder: B & C Specialty Products Inc
Installation of Precise Flight, Inc. Speedbrake 2000 System.
FAA holder: Precise Flight Inc
Installation of an engine electronic digital tachometer.
FAA holder: Horizon Instruments Inc
Installation of speed enhancement kit.
FAA holder: Laminar Flow Systems Inc
Piper conversion of air conditioning systems from using R12 to R134a refrigerant on aircraft models listed. For PA-31-300 s/n 31-660, 31-712 thru 31-900, 31-7300901& up. For PA-31-325 sns 31-7400990 & up. PA-31-350 sns, 31-5001& 31-5003, 31-7305005 up.
FAA holder: Steinbach & Associates, Inc.