Aircraft STC directory
Piper Aircraft PA-31P-350 STCs
The Jun 30, 2026 FAA DRS snapshot contains 18 selected supplemental type certificates with status Current whose public applicability data names the Piper Aircraft PA-31P-350. 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-31P-350 STCs
Showing the 18 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
Installation of BendixKing Aerowave 100 In-flight Data Link System for non-essential, non-required aircraft Cabin Systems & Equipments.
FAA holder: Honeywell International Inc (Bendix King)
Installation of an S-TEC 01326 Digital Flight Control System (DFCS).
FAA holder: S-TEC Corporation
Install air ambulance conversion.
FAA holder: Spectrum Aeromed LLC dba Spectrum Aeromed
Installation of Inline Pneumatic Air Filter, P/N CV1J4.
FAA holder: Aerotech Components Inc
Installation of a stretcher in place of two passenger seats.
FAA holder: Airline Fueling Inc.
Installation of Electronics International Inc. Glass Panel Engine Monitor (with In-Flight Data) MVP-50P.
FAA holder: Electronics International Inc.
Installation of Aero Crafters' exhaust heater system kit.
FAA holder: Aero Crafter Products Inc.
Installation of Oilamatic preoiler system.
FAA holder: Oilamatic Inc
Conversion of existing Piper air conditioning system from R12 to R134a refrigerant.
FAA holder: Steinbach & Associates, Inc.
Installation of Aircraft Noise Control (ANC) System.
FAA holder: Quiet Flight LLC