SA1188CEFlight controls
Intallation of King KFC 300 automatic flight control system.
FAA holder: Honeywell International Inc
Aircraft STC directory
New Piper Aircraft PA-31T STCs
The Jun 30, 2026 FAA DRS snapshot contains 27 selected supplemental type certificates with status Current whose public applicability data names the New Piper Aircraft PA-31T. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
27
listed Current at snapshot
15
holder directories
7
modification categories
Mar 31, 2020
latest recorded revision
Modification demand surface
Other aircraft modifications10
Cargo and special mission7
Flight controls3
Avionics3
Propellers2
Electrical systems1
Engine and powerplant1
Recorded holders
SMR Technologies Inc3S-TEC Corporation3OFEK Holding Corporation3Honeywell International Inc2Paul/ Lanna Egan LLC2Century Flight Systems Inc2Hageland Aviation Services, Inc1Shurka Aerospace Inc1Ontic Engineering and Manufacturing Inc.1Benz Airborne Systems1Aviation Fabricators Inc1Black Cat Aviation Inc.1Goodrich Corporation1Marinvent Corporation1BF Goodrich Aerospace1
Recently revised PA-31T STCs
Showing the 27 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
SA4143WEFlight controls
Installation of Sperry SPZ-200A automatic flight control system.
FAA holder: Honeywell International Inc
SA02119AKOther aircraft modifications
Installation of damage protection plates to inboard, lower side of flaps.
FAA holder: Hageland Aviation Services, Inc
SA1039GLCargo and special mission
Install Aero Medical Products Mfg., Inc. Air Ambulance Stretcher P/N 125 using Installation Kit P/N 800.
FAA holder: Paul/ Lanna Egan LLC
SA323NEElectrical systems
Remove existing starter generator and install Aircraft Parts Corp. starter-generator APC Model250SG116Q.
FAA holder: Shurka Aerospace Inc
SA00505SEOther aircraft modifications
Installation of SMR technologies pneumatic de-icers.
FAA holder: SMR Technologies Inc
SA09536AC-DFlight controls
Installation of S-TEC 01304 Digital FLight Control System.
FAA holder: S-TEC Corporation
SA250CEPropellers
Installation of Woodward electronic propeller synchraphaser system.
FAA holder: Ontic Engineering and Manufacturing Inc.
SA01046CHEngine and powerplant
Installation of SMR Technologies engine inlet anti-icer models.
FAA holder: SMR Technologies Inc
SA09537AC-DAvionics
Installation of single Meggitt Electronic Flight Instrument System (EFIS).
FAA holder: S-TEC Corporation
SA09538AC-DAvionics
Installation of Meggitt Engine Instrument Display System (EDIS).
FAA holder: S-TEC Corporation
SA10365SCOther aircraft modifications
Installation of a Benz Airborne Systems Model 800-0021 torque pressure system in accordance with Benz Airborne Systems Master Data List DC104-4021-00, Rev. A, dated November 4, 2004, or later FAA approved revision.
FAA holder: Benz Airborne Systems
SA02004NYOther aircraft modifications
Installation of SMR Technologies pneumatic deicer models.
FAA holder: SMR Technologies Inc
SA01415CHCargo and special mission
Installation of camera provisions in fuselage floor cut-out. Responsible FAA office is Chicago ACO.
FAA holder: OFEK Holding Corporation
SA01961CHCargo and special mission
Install OFEK Holding Corporation camera provisions installed pursuant to STC SA01415CH or STC SA01962CH.
FAA holder: OFEK Holding Corporation
SA01962CHCargo and special mission
Installation of camera provisions in fuselage floor cut-out. Approved for installation serial number 31T-7820042 ONLY.
FAA holder: OFEK Holding Corporation
SA1130SWOther aircraft modifications
Installation of side facing seats in accordance with (1) Custom Aircraft Conversions, Inc. Drawing List 7057, Revision B, dated 3/20/70, and E.O. No. 2, dated 11/6/71; or (2) Aviation Fabricators, Inc. STC Drawing List AF-206, Rev. (D), dated 5/5/98, or later FAA approved revision.
FAA holder: Aviation Fabricators Inc
SA1306SOOther aircraft modifications
Installation of a 2-place couch in accordance with Drawing Number CA2001, Revision "C", dated November 19, 1981, or later FAA approved Revisions.
FAA holder: Black Cat Aviation Inc.
SA572EAPropellers
Installation of Goodrich Model 5735K deicer kit (P/N 5735 deicer boot, P/N D-5735-1 cable, P/N 5735H hardware kit). Limited to aircraft which incorporate Goodrich Propeller Deicing Systems equipped with Goodrich Propeller Deicer Boot P/N 4E1185-5 on Hartzell propellers as listed on STC SA572EA eligibility list.
FAA holder: Goodrich Corp.
SA629CHOther aircraft modifications
Limited to installation on PA-31T, serial numbers 31T-7620018, 31T-7820039, and 31T-7520001 ONLY. Installation of Weather Modification equipment in accordance with Weather Modification conversion instructions, Document Control WMI-318MA-972, dtd 3/1/97 (serial number 31T-7620018), or Weather Modification conversion instructions, document control WMI-131MP-972, dtd 3/1/97 (serial number 31T-7820039). With flare racks installed, aircraft is to be operated in Restricted Category.
FAA holder: Weather Modification Inc.
SA8538SW-DOther aircraft modifications
Installation of a Century Automatic Flight System Kit No. AK1059.
FAA holder: Century Flight Systems Inc
SA8539SW-DOther aircraft modifications
Installation of a Century yaw damper system kit no. YK1060 consisting of a Century yaw damper.
FAA holder: Century Flight Systems Inc
SA01230NYAvionics
Installation of dual Garmin GPS/NAV/COM Systems (GNS 430 and/or GNS 530).
FAA holder: Marinvent Corporation
SA01269CHCargo and special mission
Install provisions for a camera installation in fuselage floor cut-out.
FAA holder: Aerial Services, Inc.
SA812NEOther aircraft modifications
Installation of BF Goodrich Model 6975-1 De-Icer kit or BF Goodrich Model 6975-10 De-Icer kit.
FAA holder: BF Goodrich Aerospace