# Piper PA-31T2 - Type: Aircraft model (FAA registry) - Registry code: 7103127 - Manufacturer (registry): PIPER - Model: PA-31T2 - Aircraft type: Fixed wing multi engine - Category: Airplane - Engines: 2 · Turbo-prop - Seats: 10 - Weight class: Up to 12,499 lb - Certification: Type certificated - Data sheet: [TCDS A8EA](https://openairdocs.org/tcds/A8EA) (OpenAirDocs) - Holder: Piper Aircraft Inc. - Registered aircraft: 24 - Page: https://openairdocs.org/model/piper-pa-31t2 Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker. ## ADs that may apply (OpenAirDocs) Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment. - [AD 2017-02-06](https://openairdocs.org/ad/2017-02-06): Electrical Power/Electrical Power System Wiring · Piper PA-31P-350, PA-31T, PA-31T1 and 2 more. Effective Feb 22, 2017 - [AD 2009-13-06 R1](https://openairdocs.org/ad/2009-13-06-R1): Doors · Piper PA-23, PA-23-160, PA-23-235 and 16 more. Effective Nov 3, 2011 - [AD 2006-16-18 R1](https://openairdocs.org/ad/2006-16-18-R1): Installing a warning placard on the TAWS/RMI · Airbus A300 B2-1A, A300 B2-1C, A300 B2-203 and 100 more. Effective Jul 18, 2008 - [AD 2005-18-20](https://openairdocs.org/ad/2005-18-20): "FASTprop" propeller de-icers · Hartzell PHC-C3YF-1RF/F8468A(B,K)-8R constant speed propeller (STC SA00718LA or 17 others). Effective Oct 14, 2005 - [AD 2004-25-16 R1](https://openairdocs.org/ad/2004-25-16-R1): Fuel regulator shutoff valve · Bombardier CL-215-1A10, CL-215-6B11 (CL-215T Variant), CL-215-6B11 (CL-415 Variant) and 64 more. Effective Jun 20, 2005 - [AD 2005-01-19](https://openairdocs.org/ad/2005-01-19): Mode S transponders · GARMIN International GTX 330D, GTX 330, GTX 33D and 830 more. Effective Feb 23, 2005 - [AD 2003-24-07](https://openairdocs.org/ad/2003-24-07): Rudder torque tube · Piper PA-31, PA-31-300, PA-31-325 and 7 more. Effective Feb 9, 2004 - [AD 2001-06-01](https://openairdocs.org/ad/2001-06-01): Elevator Structure · Piper PA-31, PA-31-300, PA-31-325 and 7 more. Effective May 8, 2001 - [AD 2000-25-01](https://openairdocs.org/ad/2000-25-01): Main Landing Gear Door Hinges · Piper PA-31, PA-31-300, PA-31-325 and 7 more. Effective Jan 19, 2001 - [AD 2000-06-06](https://openairdocs.org/ad/2000-06-06): Pneumatic Deicing Boots · Piper PA-31, PA-31-300, PA-31-325 and 7 more. Effective May 5, 2000 - [AD 99-14-01](https://openairdocs.org/ad/99-14-01): AFM - Limitations Section - Icing · Piper PA-23, PA-23-160, PA-23-235 and 21 more. Effective Aug 17, 1999 - [AD 98-14-03](https://openairdocs.org/ad/98-14-03): Transponders · Cessna 172, 172A, 172B and 230 more. Effective Aug 16, 1998 - [AD 97-26-12](https://openairdocs.org/ad/97-26-12): AFM - Limitations Section - Power Levers · Piper PA-31T, PA-31T1, PA-31T2 and 4 more. Effective Jan 28, 1998 - [AD 97-02-01](https://openairdocs.org/ad/97-02-01): Landing Gear Emergency Extension Air Line · Piper PA-31T2 with STC SA599GL. Effective Feb 14, 1997 - [AD 96-21-11](https://openairdocs.org/ad/96-21-11): Main Landing Gear Actuator Reinforcement Bracket · Piper PA-31, PA-31-300, PA-31-325 and 7 more. Effective Dec 16, 1996 - [AD 96-21-04](https://openairdocs.org/ad/96-21-04): Hydraulic Hose Inspection · Piper PA-23, PA-23-160, PA-23-235 and 13 more. Effective Dec 10, 1996 - [AD 96-21-03](https://openairdocs.org/ad/96-21-03): Aileron Spar Crack Inspection · Piper PA-31, PA-31-300, PA-31-325 and 11 more. Effective Dec 10, 1996 - [AD 96-10-14](https://openairdocs.org/ad/96-10-14): Main Landing Gear Sidebraces Inspection · Piper PA-31, PA-31-300, PA-31-325 and 5 more. Effective Jun 27, 1996 - [AD 96-10-13](https://openairdocs.org/ad/96-10-13): Bulkhead Assembly Inspection · Piper PA-31T, PA-31T1, PA-31T2 and 1 more. Effective Jun 27, 1996 - [AD 93-24-02 R1](https://openairdocs.org/ad/93-24-02-R1): Elevator Control Tube Assembly · Piper PA-31, PA-31-300, PA-31-325 and 7 more. Effective Feb 15, 1994 - [AD 92-27-05](https://openairdocs.org/ad/92-27-05): Aileron Control System · Piper PA-31, PA-31-300, PA-31-325 and 7 more. Effective Jan 29, 1993 - [AD 85-08-05](https://openairdocs.org/ad/85-08-05): Strut Housing Inspection · Piper PA-31, PA-31-300, PA-31-325 and 6 more. Effective May 15, 1985 - [AD 82-11-04](https://openairdocs.org/ad/82-11-04): Emergency Exit Window Modification · Piper PA-31T, PA-31T1 and PA-31T2. Effective Jun 3, 1982 Historical (superseded or no longer in force): - [AD 2009-13-06](https://openairdocs.org/ad/2009-13-06) (historical): Nose baggage door · Piper PA-23, PA-23-160, PA-23-235 and 16 more. Effective Jul 24, 2009 ## Information bulletins (advisory) (2) - [SAIB CE-17-05](https://openairdocs.org/saib/CE-17-05): Electrical Power/Electrical Power System Wiring. Issued Dec 16, 2016 - [SAIB CE-08-11](https://openairdocs.org/saib/CE-08-11): Landing Gear. Issued Jan 9, 2008 ## Registered aircraft (24) - [N131HP](https://openairdocs.org/aircraft/N131HP): [Pacific Integrated Handling Inc](https://openairdocs.org/faa-owner/PACIFIC%20INTEGRATED%20HANDLING%20INC), [Tacoma, WA](https://openairdocs.org/faa-place/WA/Tacoma), built 1981, S/N 31T-8166018 - [N15KW](https://openairdocs.org/aircraft/N15KW): [Ribitsch Robert L](https://openairdocs.org/faa-owner/RIBITSCH%20ROBERT%20L), [Redondo Beach, CA](https://openairdocs.org/faa-place/CA/Redondo%20Beach), built 1981, S/N 31T-8166014 - [N200XL](https://openairdocs.org/aircraft/N200XL): [Condor Aviation LLC](https://openairdocs.org/faa-owner/CONDOR%20AVIATION%20LLC), [Bethlehem, PA](https://openairdocs.org/faa-place/PA/Bethlehem), built 1981, S/N 31T-8166010 - [N225PT](https://openairdocs.org/aircraft/N225PT): [Curry Construction Inc](https://openairdocs.org/faa-owner/CURRY%20CONSTRUCTION%20INC), [Mattoon, IL](https://openairdocs.org/faa-place/IL/Mattoon), built 1981, S/N 31T-8166032 - [N237PC](https://openairdocs.org/aircraft/N237PC): [Blue Water Solutions Inc](https://openairdocs.org/faa-owner/BLUE%20WATER%20SOLUTIONS%20INC), [Peachtree City, GA](https://openairdocs.org/faa-place/GA/Peachtree%20City), built 1981, S/N 31T-8166045 - [N282PC](https://openairdocs.org/aircraft/N282PC): [W O Powers Management Inc](https://openairdocs.org/faa-owner/W%20O%20POWERS%20MANAGEMENT%20INC), [Florence, SC](https://openairdocs.org/faa-place/SC/Florence), built 1981, S/N 31T-8166006 - [N303TS](https://openairdocs.org/aircraft/N303TS): [Cheyenne Air LLC](https://openairdocs.org/faa-owner/CHEYENNE%20AIR%20LLC), [Ocean City, NJ](https://openairdocs.org/faa-place/NJ/Ocean%20City), built 1981, S/N 31T-8166007 - [N321FU](https://openairdocs.org/aircraft/N321FU): [Tms Turboprop 2xl LLC](https://openairdocs.org/faa-owner/TMS%20TURBOPROP%202XL%20LLC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), S/N 31T-8166063 - [N321LB](https://openairdocs.org/aircraft/N321LB): [Speer Transport LLC](https://openairdocs.org/faa-owner/SPEER%20TRANSPORT%20LLC), [El Cajon, CA](https://openairdocs.org/faa-place/CA/El%20Cajon), built 1981, S/N 31T-8166012 - [N328RE](https://openairdocs.org/aircraft/N328RE): [D & R Ezzell Inc](https://openairdocs.org/faa-owner/D%20%26%20R%20EZZELL%20INC), [Rockwall, TX](https://openairdocs.org/faa-place/TX/Rockwall), built 1983, S/N 31T-8166068 - [N390JP](https://openairdocs.org/aircraft/N390JP): [Lucky7 Air LLC](https://openairdocs.org/faa-owner/LUCKY7%20AIR%20LLC), [Lenoir, NC](https://openairdocs.org/faa-place/NC/Lenoir), built 1981, S/N 31T-8166027 - [N3RK](https://openairdocs.org/aircraft/N3RK): [Corinthian LLC](https://openairdocs.org/faa-owner/CORINTHIAN%20LLC), [Southgate, MI](https://openairdocs.org/faa-place/MI/Southgate), S/N 31T-8166022 - [N400WS](https://openairdocs.org/aircraft/N400WS): [Hatbright Farm LLC](https://openairdocs.org/faa-owner/HATBRIGHT%20FARM%20LLC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1981, S/N 31T-8166044 - [N410CA](https://openairdocs.org/aircraft/N410CA): [Justifications LLC](https://openairdocs.org/faa-owner/JUSTIFICATIONS%20LLC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1981, S/N 31T-8166005 - [N444WG](https://openairdocs.org/aircraft/N444WG): [Schmucker Real Estate Holdings Lp](https://openairdocs.org/faa-owner/SCHMUCKER%20REAL%20ESTATE%20HOLDINGS%20LP), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1981, S/N 31T-8166054 - [N4938S](https://openairdocs.org/aircraft/N4938S): [Aviation Trust Co LLC Trustee](https://openairdocs.org/faa-owner/AVIATION%20TRUST%20CO%20LLC%20TRUSTEE), [Oklahoma City, OK](https://openairdocs.org/faa-place/OK/Oklahoma%20City), built 1982, S/N 31T-8166050 - [N611B](https://openairdocs.org/aircraft/N611B): [T-2 Enterprises LLC](https://openairdocs.org/faa-owner/T-2%20ENTERPRISES%20LLC), [Walla Walla, WA](https://openairdocs.org/faa-place/WA/Walla%20Walla), built 1981, S/N 31T-8166015 - [N630MW](https://openairdocs.org/aircraft/N630MW): [Dmp II LLC](https://openairdocs.org/faa-owner/DMP%20II%20LLC), [Kissimmee, FL](https://openairdocs.org/faa-place/FL/Kissimmee), S/N 31T-8166011 - [N632CB](https://openairdocs.org/aircraft/N632CB): [Iou Aviation Of Montana LLC](https://openairdocs.org/faa-owner/IOU%20AVIATION%20OF%20MONTANA%20LLC), [Sheridan, WY](https://openairdocs.org/faa-place/WY/Sheridan), built 1983, S/N 31T8166066 - [N731PB](https://openairdocs.org/aircraft/N731PB): [Beaver Creek Aviation LLC](https://openairdocs.org/faa-owner/BEAVER%20CREEK%20AVIATION%20LLC), [Perry, IA](https://openairdocs.org/faa-place/IA/Perry), built 1980, S/N 31T8166001 - [N774KV](https://openairdocs.org/aircraft/N774KV): [Tjr Aviation LLC](https://openairdocs.org/faa-owner/TJR%20AVIATION%20LLC), [Allentown, PA](https://openairdocs.org/faa-place/PA/Allentown), built 1982, S/N 31T-8166057 - [N82XL](https://openairdocs.org/aircraft/N82XL): [Fast Fly Inc](https://openairdocs.org/faa-owner/FAST%20FLY%20INC), [Dallas, TX](https://openairdocs.org/faa-place/TX/Dallas), built 1981, S/N 31T-8166034 - [N916RT](https://openairdocs.org/aircraft/N916RT): [Aasjng LLC](https://openairdocs.org/faa-owner/AASJNG%20LLC), [Holdrege, NE](https://openairdocs.org/faa-place/NE/Holdrege), built 1981, S/N 31T-8166041 - [N950SA](https://openairdocs.org/aircraft/N950SA): [Crop Dusters LLC](https://openairdocs.org/faa-owner/CROP%20DUSTERS%20LLC), [Maurice, IA](https://openairdocs.org/faa-place/IA/Maurice), built 1981, S/N 31T-8166028 ## NTSB investigations (7) From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [NTSB ERA27LA016](https://openairdocs.org/ntsb/ERA27LA016), Oct 5, 2026: Piper PA-31T2 (N630MW), Dayton, OH, investigation ongoing - [NTSB CEN10FA063](https://openairdocs.org/ntsb/CEN10FA063), Dec 4, 2009: Piper PA-31T2 (N85EM), Harrison, MI, destroyed, 1 fatal. Probable cause: A loss of aircraft control for undetermined reasons. - [NTSB MIA01FA152](https://openairdocs.org/ntsb/MIA01FA152), Jun 3, 2001: Piper PA-31-T2 (N31XL), Jackson, TN, destroyed, 5 fatal. Probable cause: The pilot's shutting down the left engine following loss of control of the left propeller resulting in an in-flight loss of control of the airplane due to the windmilling propeller. Factors in the… - [NTSB CHI91FA035](https://openairdocs.org/ntsb/CHI91FA035), Nov 29, 1990: Piper PA-31T2 (N1879W), Des Moines, IA, destroyed, 1 fatal. Probable cause: THE PILOT'S IMPROPER EMERGENCY PROCEDURES BY NOT FEATHERING THE LEFT ENGINE AFTER IT LOST POWER AND/OR WAS SHUT DOWN, AND HIS FAILURE TO KEEP THE AIRCRAFT AT OR ABOVE THE MINIMUM CONTROL AIRSPEED… - [NTSB DEN89FA217](https://openairdocs.org/ntsb/DEN89FA217), Sep 15, 1989: Piper PA-31T2 (N63XL), Louisville, CO, destroyed, 3 fatal. Probable cause: FAILURE OF THE PILOT TO MAINTAIN ADEQUATE AIRSPEED, WHILE MANEUVERING FOR SPACING IN THE TRAFFIC PATTERN, WHICH RESULTED IN AN INADVERTENT STALL AT LOW ALTITUDE. - [NTSB ATL84FA222](https://openairdocs.org/ntsb/ATL84FA222), Jul 18, 1984: Piper PA-32R-300 (N400WS), Rock Hill, SC, destroyed - [NTSB ATL82FA055](https://openairdocs.org/ntsb/ATL82FA055), Feb 17, 1982: Piper PA-31T2 (N2517X), Springfield, KY, destroyed, 8 fatal ## FAA accident and incident reports (19) From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [Incident 20100819043669I](https://openairdocs.org/incident/20100819043669I), Aug 19, 2010: Piper PA-31T2 (N150TK), Marysville, OH, No damage. Airman assigned 10,000 feet MSL per ATC. Airman descended to 9,500 feet MSL without an ATC clearance. Airman's loss of altitude caused a loss of seperation… - [Accident 20091204051919A](https://openairdocs.org/incident/20091204051919A), Dec 4, 2009: Piper PA-31T2 (N85EM), Harrison, MI, Destroyed, 1 fatal. 12/08/2009, N.t.s.b. representative [privacy data omitted] visited the grr FSDO office and delivered a computer disc with accident pictures on it. She also… - [Incident 20090120002909I](https://openairdocs.org/incident/20090120002909I), Jan 20, 2009: Piper PA31T2 (N804C), Naples, FL, No damage. Shortly after take off [privacy data omitted] (pilot) returned to the airport due to a smell of smoke in the aircraft. Aircraft landed without incident.… - [Incident 20070502007259I](https://openairdocs.org/incident/20070502007259I), May 2, 2007: Piper PA31T2 (N767DM), Fairbanks, AK, Minor damage. (-23) On 05-02-07 at 1400 hours local time, N767DM taxied into a ground battery cart. The pilot failed to see the auxiliary battery cart in front of the… - [Accident 20010603014789A](https://openairdocs.org/incident/20010603014789A), Jun 3, 2001: Piper PA31T2 (N31XL), Jackson, TN, No damage. (-23) On June 3, 2001, at approximately 1611 CST a Piper PA-31-T2, N31XL, operated by falcon communication of malden, MO crashed south of the Jackson, TN… - [Incident 20001204021629I](https://openairdocs.org/incident/20001204021629I), Dec 4, 2000: Piper PA31T2 (N410CA), Des Moines, IA. (-23) Pilot stated after he departed dsm and reached 7000 feet the right engine oil pressure light illuminated. He verified the loss of oil pressure on the… - [Incident 19990802022989I](https://openairdocs.org/incident/19990802022989I), Aug 2, 1999: Piper PA31T2 (N31XL), Lexington, KY, Minor damage. (-23) Aircraft landed gear up. Minor damage. No injures. - [Incident 19990217041599I](https://openairdocs.org/incident/19990217041599I), Feb 17, 1999: Piper PA31T2 (N282PC), Rock Hill, SC, Minor damage. (-23) The pilot-in-command entered downwind behind a DC-2 aircraft. He called the charlotte (clt), NC, ATCT for UNICOM at Rock Hill Airport, SC, and turned… - [Incident 19980522010759I](https://openairdocs.org/incident/19980522010759I), May 22, 1998: Piper PA31T2 (N90SC), Houston, TX, Minor damage. Gear up landing on Houston Hobby(hou) runway 12R. The pilots insists that he is certain that the gear was down and locked, and that the landing gear then… - [Incident 19960428017749I](https://openairdocs.org/incident/19960428017749I), Apr 28, 1996: Piper PA31T2 (N774KV), Omaha, NE, Minor damage. Narrative: on April 28, 1996, Piper PA-31-T2, N774KV, went off the left side of runway 30 and struck a runway light during landing roll at millard airport,… - [Accident 19901129052179A](https://openairdocs.org/incident/19901129052179A), Nov 29, 1990: Piper PA31T2 (N1879W), Des Moines, IA, Destroyed, 1 fatal. Lost left engine on final, made steep left turn, rolled prior impact. Gear up and slow on final. - [Incident 19900430026639I](https://openairdocs.org/incident/19900430026639I), Apr 30, 1990: Piper PA31T2 (N630MW), Port Huron, MI. Smoke in cabin. Emergency landing. Cabin blower motor had excessive play in armature shaft. - [Accident 19890915035119A](https://openairdocs.org/incident/19890915035119A), Sep 15, 1989: Piper PA31T2 (N63XL), Denver, CO, Destroyed, 3 fatal. Stalled in a steep turn after advised to make a 360 degree turn on final for traffic spacing. - [Incident 19880609029029I](https://openairdocs.org/incident/19880609029029I), Jun 9, 1988: Piper PA31T2 (N600XL), Wheeling, WV. Engine did not respond to the power lever. Diverted. Shut engine down. Found faulty fuel controller. - [Accident 19840717039579A](https://openairdocs.org/incident/19840717039579A), Jul 17, 1984: Piper PA32R300 (N400WS), Rock Hill, SC, Destroyed. Engine surged and failed. Crashed near residence. Found water in fuel. Irregularities in maintenance records. - [Incident 19840329013329I](https://openairdocs.org/incident/19840329013329I), Mar 29, 1984: Piper PA31 (N3RK), Rochester, NY. No right gear down light. Tower checked gear down. At touchdown light came on. Found slush on switch. - [Incident 19830330015049I](https://openairdocs.org/incident/19830330015049I), Mar 30, 1983: Piper PA31T (N63XL), Salt Lake City, UT, Minor damage. Too low on final at Private strip. Nose gear hooked the top strand of a barbed wire fence. Returned to base. - [Incident 19821122065609I](https://openairdocs.org/incident/19821122065609I), Nov 22, 1982: Piper PA32R300 (N400WS), Roanoke, VA, Substantial damage. Taxied into unlighted raised helipad on airport ramp. Propeller strike caused sudden engine stoppage. - [Accident 19820216052389A](https://openairdocs.org/incident/19820216052389A), Feb 16, 1982: Piper PA31T2 (N2517X), Springfield, KY, Destroyed, 7 fatal. Flew into ground attempting night visual landing in weather below minima. Altimeter setting incorrect. ## Service difficulty reports (62, newest 50) As reported by operators and repair stations, by the model named in the report. - [SDR 2025FA0000591](https://openairdocs.org/sdr/2025FA0000591), Aug 27, 2025: RESERVOIR. LEAKING. AIRCRAFT DEPARTED KSHR AT APPROXIMATELY 0812 ENROUTE KBIL. ON APPROACH INTO KBIL, LANDING GEAR WAS SELECTED DOWN BUT FAILED TO FULLY EXTEND. THE PILOT FOLLOWED - [SDR 2018FA0000388](https://openairdocs.org/sdr/2018FA0000388), Jan 19, 2018: FUEL LINE. CRACKED. UPON ENGINE SHUT DOWN IT WAS NOTED FUEL LEAKING FROM THE RIGHT ENGINE. ENGINE WAS UN-COWLED, GROUND RUN REVEALED A FUEL LEAK FROM FCU HIGH PRESSURE FUEL LINE P/ - [SDR GW1R201402200001](https://openairdocs.org/sdr/GW1R201402200001), Feb 20, 2014: HOSE. LEAKING. LANDING GEAR WOULD NOT EXTEND AND WAS EXTENDING USING EMERGENCY PUMP. LANDED WITHOUT INCIDENT. NOTICE FLUID LOSS FROM NOSE AREA. ACFT WAS FERRIED TO MAINTENANCE - [SDR 2011FA0000495](https://openairdocs.org/sdr/2011FA0000495), Jul 25, 2011: TUBE. COLLAPSED. DURING ROUTINE HEATER PRESSURE DECAY TEST HEATER WAS REMOVED AND INSPECTED. COMBUSTION CHAMBER/TUBE WAS FOUND CRUSHED INWARD ON ALL SIDES BUT NOT LEAKING. IF HE - [SDR SQH2011F00000](https://openairdocs.org/sdr/SQH2011F00000), Dec 24, 2010: BOOT. DAMAGED. IN LIGHT ICING CONDITIONS DE-ICER ON LT ENGINE INLET FAILED. BURNED SMALL HOLE ABOUT THE SIZE OF A QUARTER IN BOOT. THE DEICER LOOKED TO BE IN GOOD CONDITION BE - [SDR CA100222006](https://openairdocs.org/sdr/CA100222006), Feb 16, 2010: FUEL SYS. CONTAMINATED. (CAN) BOTH ENGINES WERE STARTED NORMALLY. UPON POWER APPLICATION FOR TAXI, THE LT ENGINE WOULD NOT RESPOND TO THROTTLE/POWER LEVER MOVEMENTS AND REMAINED AT IDL - [SDR CA091211004](https://openairdocs.org/sdr/CA091211004), Dec 9, 2009: BOWL. CRACKED. (CAN) ON FINAL, LANDING GEAR WAS SELECTED DOWN BUT NOTHING HAPPENED - GEAR WOULD NOT EXTEND. GEAR HANDLE WAS CYCLED UP & DOWN WITH NO SUCCESS. HAND PUMP WAS USE - [SDR CA091118015](https://openairdocs.org/sdr/CA091118015), Nov 17, 2009: HOUSING. CRACKED. (CAN) DURING THE INSPECTION, WHILE GREASING NOSE LANDING GEAR, MAINTENANCE NOTICED BLISTERING UNDER THE PAINT. MAINTENANCE REMOVED THE BLISTERS, CLEANED-UP THE - [SDR CA090202005](https://openairdocs.org/sdr/CA090202005), Jan 23, 2009: TUBE. PUNCTURED. THE LT MAIN TIRE WAS REPORTED LOW BY OUR MAINTENANCE CREW. MAINTENANCE PERSONNEL IMMEDIATELY REPLACED THE WHEEL ASSY AS PREVENTATIVE MAINTENANCE, SINCE 3 TIRE F - [SDR CA090128003](https://openairdocs.org/sdr/CA090128003), Jan 23, 2009: TUBE. PUNCTURED. TIRE WAS REPORTED FLAT UPON PRE-FLIGHT INSPECTION. TIRE AND TUBE WERE INSPECTED AND THE TUBE REVEALED A PUNCTURE, CAUSING THE DEFLATION. - [SDR CA090128002](https://openairdocs.org/sdr/CA090128002), Jan 17, 2009: TUBE. DESTROYED. THE TIRE WAS DESTROYED ON TOUCHDOWN. UNABLE TO EVALUATE TIRE AND TUBE CONDITION. - [SDR CA090128001](https://openairdocs.org/sdr/CA090128001), Jan 16, 2009: TUBE. PUNCTURED. TIRE LOSING AIR AFTER SHUTDOWN. THE TIRE AND TUBE WERE INSPECTED AND NUMEROUS PIN HOLES WERE FOUND ON THE TUBE`S OUTER CIRCUMFERENCE, CAUSING THE DEFLATION. - [SDR CA081020010](https://openairdocs.org/sdr/CA081020010), Oct 15, 2008: FITTING. FAILED. (CAN) DURING TAXIING OF THE ACFT, THE CREW NOTED THE ANNUNCIATOR FOR OIL PRESSURE ON THE LT ENGINE CAME ON. THEY SHUTDOWN THE LT ENGINE AND TAXIED THE ACFT USIN - [SDR WVB2006F00001](https://openairdocs.org/sdr/WVB2006F00001), Apr 28, 2006: PROPELLER. UNSERVICEABLE. WHILE PERFORMING A DETAILED INSPECTION OF THE RT PROPELLER ON 4/7/06. THE MECHANIC LUBING THE PROPELLER FOUND LIQUID BEING FORCED OUT OF THE ZERK HOLE BY THE GR - [SDR CA051012004](https://openairdocs.org/sdr/CA051012004), Oct 11, 2005: ARM. CRACKED. WHILE COMPLYING WITH PIPER SL1092, INSPECTION/REPLACEMENT OF MAIN LANDING GEAR RETRACTION ARMS, THE LEFT ARM WAS FOUND CRACKED AT THE INSIDE RADIUS. - [SDR CA050613002](https://openairdocs.org/sdr/CA050613002), Jun 9, 2005: HOSE. LEAKING. (CAN) OIL PRESSURE DROPPED PASSED 40 PSI IN FLIGHT. SHUTDOWN LT ENGINE. FOUND OIL SUPPLY HOSE FROM OIL COOLER TO TOP OF ENGINE LEAKING. REPLACED WITH NEW. INSPE - [SDR CA040806009](https://openairdocs.org/sdr/CA040806009), Aug 10, 2004: HOUSING. CRACKED. (CAN) DURING A WALKAROUND, THE PILOT NOTICED THE LT OLEO WAS LOWER THAN THE RT. AT THE MAINTENANCE BASE THE AME INSPECTED THE LT OLEO WHICH WAS COMPLETELY FLATN - [SDR 2004FA0000633](https://openairdocs.org/sdr/2004FA0000633), Jul 19, 2004: CONTROL CABLE. DISCONNECTED. DURING A ROUTINE EVENT NR 1 AIRFRAME INSPECTION, IT WAS DISCOVERED THE (ELEVATOR) PRIMARY TOP CONTROL CABLE (ELEVATOR CABLE) WAS NOT CONNECTED TO THE ELEVATOR B - [SDR CA030313003](https://openairdocs.org/sdr/CA030313003), Mar 8, 2003: REGULATOR VALVE. MALFUNCTIONED. (CAN) ON APPROACH, THE CREW NOTICED MULTIPLE AVIONICS FAILURES. BOTH VOR SIGNAL STRENGTHS VERY WEAK, NR 1 COMM INOP, MOST NAVIGATION EQUIPMENT INOP. THE PNEUMAT - [SDR CA030211007](https://openairdocs.org/sdr/CA030211007), Feb 3, 2003: SPAR. CRACKED. (CAN) DURING SCHEDULED 100 HOUR EVENT NR 2 INSPECTION, CRACKS FOUND ON LEFT SIDE STABILIZER SPAR ASSEMBLY AFT BETWEEN RIB STABILIZER LEADING EDGE BL102 AND BL11 - [SDR DSF2003F00000](https://openairdocs.org/sdr/DSF2003F00000), Jan 2, 2003: ROD END. SEIZED. UNABLE TO CONTROL ENGINE WITH POWER LEVER. ACCESS TOTAL INFLIGHT FEATHERING. FUEL CONTROL LINKING ROD END SEIZED, PREVENTED OPERATION OF FCU. - [SDR CA021217002](https://openairdocs.org/sdr/CA021217002), Dec 14, 2002: WIRE. BROKEN. (CAN) ON FINAL APPROACH, PILOTS SELECTED GEAR DOWN. THREE GREEN INDICATION LIGHTS WERE CONFIRMED. THE GEAR HANDLE WOULD NOT COME BACK TO NEUTRAL. THE CREW CONDU - [SDR CA021213003](https://openairdocs.org/sdr/CA021213003), Dec 5, 2002: FITTING. MISALIGNED. (CAN) ON DEPARTURE, THE FLIGHT CREW NOTICED FLUID LEAKING FROM THE RT ENGINE NACELLE. THE CREW RETURNED TO BASE FOR MAINTENANCE INVESTIGATION. MAINTENANCE REPLA - [SDR 2002FA0001315](https://openairdocs.org/sdr/2002FA0001315), Nov 1, 2002: TUBE. CORRODED. RUDDER TUBE ASSY HAS SEVERE CORROSION AND EXFOLIATION, WHICH HAS CAUSED STRUCTURAL DETERIORATION OF THE COMPONENT. - [SDR CA021024001](https://openairdocs.org/sdr/CA021024001), Oct 21, 2002: SOCKET. LOOSE. (CAN) ON FINAL APPROACH, THE CREW NOTICED AN UNSAFE LANDING GEAR INDICATION. THE CREW IMMEDIATELY INITIATED A MISSED APPROACH. THE APPROPRIATE EMERGENCY CHECKLI - [SDR CA020722009](https://openairdocs.org/sdr/CA020722009), Jul 4, 2002: FUEL CONTROL. FAILED. (CAN) ON START UP, THE LEFT ENGINE STARTED ACCELERATING OUT OF CONTROL, REGARDLESS OF POWER LEVER POSITION. THE CONDITION LEVER WAS THEN PULLED AND THE ENGINE S - [SDR CA020729005](https://openairdocs.org/sdr/CA020729005), Jul 3, 2002: HINGE. CRACKED. (CAN) DURING SCHEDULED 100 HOUR EVENT NR 2 LANDING GEAR INSPECTION, CRACK FOUND ON LEFT HAND FORWARD MAIN LANDING GEAR OUTBOARD DOOR HINGE. CAUSE DETERMINED TO - [SDR CA020510019](https://openairdocs.org/sdr/CA020510019), May 1, 2002: BOLT. SHEARED. (CAN) ON APPROACH THE LANDING GEAR WAS SELECTED DOWN, THE RIGHT MAIN & NOSE GEAR LOCKED DOWN CORRECTLY BUT THE LEFT MAIN DID NOT. THE CREW THEN SELECTED EMERGEN - [SDR CA020401002](https://openairdocs.org/sdr/CA020401002), Mar 28, 2002: VOLT REGULATOR. FAILED. (CAN) LEFT GENERATOR SYSTEM FAILED DURING CLIMB. - [SDR CA020313006](https://openairdocs.org/sdr/CA020313006), Mar 11, 2002: SHAFT. STRIPPED. (CAN) FCU AND FUEL PUMP WAS REMOVED FROM ENGINE. FUEL PUMP TO ENGINE SHAFT WAS FOUND STRIPPED, RESULTING IN FUEL STARVATION. - [SDR CA020125001](https://openairdocs.org/sdr/CA020125001), Jan 23, 2002: HYDRAULIC SYSTEM. CONTAMINATED. (CAN) LEFT BRAKE WAS DRAGGING DURING AIRCRAFT TAXIING. THE AIRCRAFT WAS TOWED TO HANGAR WHERE THE BRAKE SYSTEM WAS FOUND WORKING NORMALLY. THE BRAKE SYSTEM (CAL - [SDR CA020117001](https://openairdocs.org/sdr/CA020117001), Jan 14, 2002: TIRE. PUNCTURED. (CAN) NOSE WHEEL TIRE BECAME FLAT DURING LANDING, CAUSING A SHIMMY NOTICEABLE TO PILOTS. - [SDR 20010425CW006](https://openairdocs.org/sdr/20010425CW006), Mar 15, 2001: HOSE. BURST. IN FLIGHT THE LEFT ENGINE OIL COOLER HOSE BURST CAUSING A LOSS OF OIL AND A PRECAUTIONARY ENGINE SHUTDOWN. THE PILOT MADE AN UNEVENTFUL LANDING. BEIN THAT THIS - [SDR 20010410AP019](https://openairdocs.org/sdr/20010410AP019), Mar 15, 2001: HOSE. CRACKED. DURING CRUSE FLIGHT THE LT ENGINE LOW OIL PRESSURE WARNING SOUNDED ALERTING THE PILOT TO DROPPING OIL PRESURE. PILOT PERFORMED A PRECAUTIONARY ENGINE SHUTDOWN A - [SDR CA010314023](https://openairdocs.org/sdr/CA010314023), Feb 23, 2001: WINDOW. BROKEN. (CAN) - THE AIRCRAFT WAS CLIMBING THROUGH 16,000 FEET WHEN THE CABIN PRESSURIZATION WAS LOST. - THE PILOTS INITIATED EMERGENCY DESCENT TO 10,000 FEET AND DECLAR - [SDR 20010410AP018](https://openairdocs.org/sdr/20010410AP018), Dec 4, 2000: HOSE. CRACKED. DURING CRUSE FLIGHT THE RIGHT ENGINE OIL PRESSURE LOW WARNING ALERT SOUNDED. PILOT SECURED ENGINE AND RETURNED TO THE AIRPORT. TECHNICAN REMOVED ENGINE COWLING - [SDR CA001207028](https://openairdocs.org/sdr/CA001207028), Nov 15, 2000: FITTING. CRACKED. (CAN) AT SCHEDULED INSPECTION A CRACK WAS FOUND AT THE LOWER BOLT WEB ON THE RT MLG AFT SIDE BRACE FITTING. - [SDR CA000720015](https://openairdocs.org/sdr/CA000720015), Jun 28, 2000: BOLT. SHEARED. (CAN) UPON LANDING THE AIRCRAFT, THE PILOTS NOTICED A PULLING TO THE LEFT. AFTER A BRIEF INSPECTION, THE THREE UPPER AN3 BOLTS, WHICH HOLD THE STEERING ARM AND - [SDR CA000720010](https://openairdocs.org/sdr/CA000720010), Jun 28, 2000: SWITCH. OUT OF ADJ. (CAN) - PILOT DID NOT RECEIVE NOSE GEAR DOWN LIGHT INDICATION AFTER CYCLING GEAR DOWN FOR LANDING. MAINTENANCE ADVISED PILOT TO USE RUDDER PEDALS TO ACTIVATE NO - [SDR CA000606032](https://openairdocs.org/sdr/CA000606032), May 25, 2000: TRUNNION. CRACKED. (CAN) DURING INSPECTION, A CRACK WAS FOUND ON THE AFT RIGHT MAIN LANDING GEAR TRUNNION ASSEMBLY. THE CRACK WAS FOUND TO BE ON THE UPPER REINFORCEMENT RIB. THE P - [SDR CA000301022](https://openairdocs.org/sdr/CA000301022), Jan 22, 2000: INVERTER. FAILED. (CAN) A PORTABLE INVERTER WAS USING THE AIRCRAFT''S 28 VOLT SUPPLY TO POWER A LIFEPACK DEFLIBRILLATOR/MONITOR 120 V AT 3.5 AMPS. DURING CLIMB, THE PARAMEDIC ADV - [SDR CA991230027](https://openairdocs.org/sdr/CA991230027), Dec 8, 1999: WHEEL. CRACKED. (CAN) DURING TIRE & TUBE REPLACEMENT, THE WHEEL ASSEMBLY WAS INSPECTED AND ONE WHEEL HALF WAS FOUND CRACKED. - [SDR CA991230002](https://openairdocs.org/sdr/CA991230002), Dec 2, 1999: VALVE. CONTAMINATED. (CAN) ON THE TAKE-OFF ROLL THE LT ENGINES PROP WOULDN''T EXCEED 1300 RPM. THE PROBLEM WAS FOUND TO BE A DIRTY HYDRAULIC TOPPING GOVERNOR VALVE. THE UNIT WAS CLE - [SDR CA991103050](https://openairdocs.org/sdr/CA991103050), Oct 13, 1999: DOOR FRAME. BROKEN. (CAN) DOOR FRAME (BULKHEAD) BROKE AT SNUBBER UPPER ATTACHMENT POINT. - [SDR 99ZZZX1366](https://openairdocs.org/sdr/99ZZZX1366), Feb 12, 1999: RESISTOR. FAILED. PILOT REPORTED SMOKE IN COCKPIT AND STRONG BURNING ODOR. INVESTIGATION REVEALED THE CIGAR LIGHTER RESISTOR BOARD, PN 29233-002, OVERHEATED AND BURNED. ALL THREE - [SDR CA990219012](https://openairdocs.org/sdr/CA990219012), Feb 7, 1999: O-RING. FAILED. (CAN) LEFT INBOARD GEAR DOOR ACTUATOR BOTTOM GT RING. THE O-RING AND BACK-UP FAILED. THIS CAUSED THE ALL HYDRAULIC FLUID LOSS. EMERGENCY GEAR EXTENSION USED. CA - [SDR CA980922011](https://openairdocs.org/sdr/CA980922011), Sep 10, 1998: TUBE. WORN. (CAN) AIRCRAFT ELEVATOR PULL-UP CABLE DAMPENER TUBE WAS FOUND DAMAGED IN THE MID-SECTION. SPRING RETAINING WASHER RUBBED THROUGH THE TUBE, HALF ITS CIRCUMFERENC - [SDR 98ZZZX2658](https://openairdocs.org/sdr/98ZZZX2658), Jun 30, 1998: BOLT. MISSING. DURING EXTENSION OF THE LANDING GEAR FOR LANDING, THERE WAS NO LEFT DOWN AND LOCKED INDICATION. MANUAL HYDRAULIC EXTENSION WAS INEFFECTIVE. PNEUMATIC EXTENSION - [SDR CA980506003](https://openairdocs.org/sdr/CA980506003), Apr 30, 1998: SPAR. CRACKED. (CAN) LEFT ELEVATOR SPAR CRACKED IN 2 PLACES AT OUTBOARD HINGE ATTACH POINT UNDER HINGE. REPAIRED. - [SDR 97ZZZX1714](https://openairdocs.org/sdr/97ZZZX1714), Apr 3, 1997: FORK ASSY. CRACKED. DURING A COMBINATION EVENT 1 AND 2 INSPECTION, NOTED THE LEFT SIDE OF THE NLG FORK ASSY WAS CRACKED AT THE LOWER SURFACE OF THE AXLE OPENING. PILOT REPORTED NO All 62: https://openairdocs.org/model/piper-pa-31t2/reports.md ## STCs that may be installed (OpenAirDocs) (181, first 50) Approved for this model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has. - [STC SA02571SE](https://openairdocs.org/stc/SA02571SE): Installation of Garmin G500/G600 TXi Integrated Avionics System (Primary Flight Display, Multi-Function Display, and Engine Indicating System Display). Garmin International Inc - [STC SA01800SE](https://openairdocs.org/stc/SA01800SE): Fabrication and installation of new or replacement of existing instrument panel lights dimmer control. TCW Technologies, LLC - [STC SA01861SE](https://openairdocs.org/stc/SA01861SE): Fabrication and installation of Landing Light Controller. TCW Technologies, LLC - [STC SA04837NY](https://openairdocs.org/stc/SA04837NY): Installation of AeroLED's Holdings, LLC., position lights, navigation lights, strobe lights and beacon lights. AeroLED's Holdings, LLC - [STC SA02019SE-D](https://openairdocs.org/stc/SA02019SE-D): Installation of Garmin Model GTN 625/635/650; 725/750 Navigation System. Garmin International Inc - [STC SA02738CH](https://openairdocs.org/stc/SA02738CH): Installation of L-3 Communications Avionics Systems. Acron Aviation Inc - [STC SA04046CH PAGE 2](https://openairdocs.org/stc/SA04046CH%20PAGE%202): Installation of L-3 GENESIS (TM) Electronic Standby Instrument System (ESI-500/MAG-500). Acron Aviation Inc - [STC SA02386AK](https://openairdocs.org/stc/SA02386AK): Replacement of existing landing and/or taxi light reflector and bulbs with Light Emitting Diode (LED) lighting systems. AeroLED's Holding LLC - [STC SA02658SE](https://openairdocs.org/stc/SA02658SE): Installation of Garmin GI 275 Multi-Function Display System. Garmin International Inc - [STC SA02532AT](https://openairdocs.org/stc/SA02532AT): Installation of subject Michelin tires on appropriate aircraft. For Michelin 5, 6, 8, and 10-inch rim diameter tires on General Aviation Aircraft. Michelin North America Inc - [STC SA00843WI](https://openairdocs.org/stc/SA00843WI): Installation of Concorde Battery Corporation (VRSLA) Valve Regulated Sealed Lead Acid Battery. Aero-Mach Wilco LLC - [STC SA599GL](https://openairdocs.org/stc/SA599GL): Installation of Cleveland Wheel & Brake conversion kit No. 199-111. Kaman Corporation Aircraft Wheel and Brake LLC - [STC SA02203AK](https://openairdocs.org/stc/SA02203AK): Installation of FlightLogic Synthetic Vision Electronic Flight Information System (EFIS-SV). Genesys Aerosystems Inc - [STC SA02444AK](https://openairdocs.org/stc/SA02444AK): Approval of the L-3 Communications NGT 9000/9000R ADS-B system installed. ADS-B Technologies LLC - [STC SA09856AC](https://openairdocs.org/stc/SA09856AC): Installation of BendixKing Aerowave 100 In-flight Data Link System for non-essential, non-required aircraft Cabin Systems & Equipments. Honeywell International Inc (Bendix King) - [STC SA11174SC PAGE 2](https://openairdocs.org/stc/SA11174SC%20PAGE%202): Installation of BendixKing by Honeywell KSN 770 and KSN 765 WAAS LPV approach capable nav/comm systems. Honeywell International Inc (Bendix King) - [STC SA02265SE](https://openairdocs.org/stc/SA02265SE): Installation of a camera housing. Airborne Sensor LLC - [STC ST01930LA](https://openairdocs.org/stc/ST01930LA): Installation of Sandel Avionics SN4500 Electronic Horizontal Situation Indicator (EHSI). Sandel Avionics LLC - [STC SA02426AK](https://openairdocs.org/stc/SA02426AK): Approval of the FreeFlight FDL-978-TX ADS-B system installed. FreeFlight Systems - [STC SA10236SC](https://openairdocs.org/stc/SA10236SC): Installation of a GDC 31 Roll Steering Converter. DAC International Inc - [STC SA09759DS](https://openairdocs.org/stc/SA09759DS): Installation of an S-TEC 01326 Digital Flight Control System (DFCS). S-TEC Corporation - [STC SA02268CH](https://openairdocs.org/stc/SA02268CH): Installation of Airwolf Filter Corp. Air Oil Separator. Airwolf Filter Corporation - [STC SA1166CE](https://openairdocs.org/stc/SA1166CE): Installation of King KFC-200, 2 axis (3 optional) flight control system, autopilot only or autopilot with flight director. Honeywell International Inc. Lists PA-31 Series - [STC SA1558CE-D](https://openairdocs.org/stc/SA1558CE-D): Installation of King KFC-300 automatic flight control system. Honeywell International Inc - [STC SA01452CH](https://openairdocs.org/stc/SA01452CH): Installation of an air ambulance conversion kit. Med-Pac Inc - [STC SA01714WI](https://openairdocs.org/stc/SA01714WI): Installation of a Garmin transponders: (a) GTX 330/330D/33/33D with ADS-B Out functionality; (b) GTX 335/335R/345/345R with ADS-B Out and In functionality; or (c) GTX 335R/345R with ADS-B Out functionality in select airplanes installed with G950/G1000 systems. Garmin International Inc - [STC SA00344BO PAGE 2](https://openairdocs.org/stc/SA00344BO%20PAGE%202): Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights. Whelen Aerospace Technologies - [STC SA00528SE](https://openairdocs.org/stc/SA00528SE): Installation of emergency medical stretcher and base, oxygen, and electrical systems. LifePort LLC - [STC SA00560CH](https://openairdocs.org/stc/SA00560CH): Install air ambulance conversion. Spectrum Aeromed LLC dba Spectrum Aeromed - [STC SA00765DE](https://openairdocs.org/stc/SA00765DE): Installation of Automatic Dependent Surveillance Broadcast (ADS-B) Out functionality using the BendixKing KT74 Transponder and qualified position sensor. Peregrine - [STC SA04165NY](https://openairdocs.org/stc/SA04165NY): Installation of Latitude Technologies Skynode S200 Satcom system must be performed. Latitude Technologies Corporation - [STC SA02153LA-D PAGE 2](https://openairdocs.org/stc/SA02153LA-D%20PAGE%202): Installation of Garmin G600 Primary Flight Display (PFD) and Multifunction Display (MFD) System. Garmin International Inc - [STC SA02119AK](https://openairdocs.org/stc/SA02119AK): Installation of damage protection plates to inboard, lower side of flaps. Hageland Aviation Services, Inc - [STC SA02013CH](https://openairdocs.org/stc/SA02013CH): Installation of Avidyne Corporation Traffic Advisory System (TAS). Avidyne Corporation - [STC SA01933LA-D](https://openairdocs.org/stc/SA01933LA-D): Installation of Garmin Model 400W / 500W Series GPS-WAAS Navigation System. Garmin International Inc - [STC SA01935LA](https://openairdocs.org/stc/SA01935LA): Installation of external aft body strakes. Aircraft Performance Modifications - [STC SA02212AK](https://openairdocs.org/stc/SA02212AK): Replacement of existing landing and/or taxi light reflector and bulbs with high intensity discharge (HID) lighting systems. Seaplanes North LLC - [STC SA10594SC](https://openairdocs.org/stc/SA10594SC): Modification of the Monroe Automotive Equipment Co. (MAECO) Shimmy Dampener. Knots 2U, Ltd - [STC SA00343BO](https://openairdocs.org/stc/SA00343BO): Installation of a single configuration or a dual configuration Avidyne Corporation Integrated Flight Display, Model IFD540 loaded with Release 10.0 software (or later FAA approved release). Avidyne Corporation - [STC SA00352BO PAGE 2](https://openairdocs.org/stc/SA00352BO%20PAGE%202): Installation of an Avidyne Corporation Mode A/C/S Transponder with ADS-B Out capability, Model AXP340 loaded with Version 3.13 software (or later FAA approved version),. Avidyne Corporation - [STC SA01917CH](https://openairdocs.org/stc/SA01917CH): Install Air Ambulance Conversion. Paul/ Lanna Egan LLC - [STC SA1039GL](https://openairdocs.org/stc/SA1039GL): Install Aero Medical Products Mfg., Inc. Air Ambulance Stretcher P/N 125 using Installation Kit P/N 800. Paul/ Lanna Egan LLC - [STC SA00780SE](https://openairdocs.org/stc/SA00780SE): Installation of the True Lock Safety Retention Axle Lock Nut System. True Lock LLC - [STC SA01946LA](https://openairdocs.org/stc/SA01946LA): Installation of Blackhawk Ultra Electronics Engine Instrument. Blackhawk Modifications Inc - [STC SA00149BO](https://openairdocs.org/stc/SA00149BO): Installation of Aircraft Components, Inc. Volt and Vac Alert System, P/N 2044-1. Aircraft Components Inc - [STC SA02547AT](https://openairdocs.org/stc/SA02547AT): Installation of a Voice Alert System. Aircraft Components Inc - [STC SA03658AT](https://openairdocs.org/stc/SA03658AT): Installation of a Voice Alert System to incorporate as primary annunciators for stall and gear warnings. Aircraft Components Inc - [STC SA02119SE PAGE 2](https://openairdocs.org/stc/SA02119SE%20PAGE%202): Installation of Garmin GDL 88 ADS-B UAT Transceiver System. Garmin International Inc - [STC SA01969SE](https://openairdocs.org/stc/SA01969SE): Installation of a Mid-Continent MD302 Standby Attitude Module. Mid-Continent Instruments and Avionics - [STC SA01229SE PAGE 1](https://openairdocs.org/stc/SA01229SE%20PAGE%201): Installation of GNS 480 (CNX80) GPS WAAS Navigator with integrated VHF Navigation and Communication radios. Garmin International Inc All 181: https://openairdocs.org/model/piper-pa-31t2/stcs.md --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.