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Aircraft record

N597641975 Piper PA-31-350

Registration validUnclaimedSource: FAA, updated Oct 20, 2026

Safety record in brief:No NTSB accidents or incidents since 198213 ADs may apply13 service difficulty reports

Registration
Valid
expires Oct 31, 2027
Based in
Fairbanks, AK
owner city / state
Engine
TI0-540 SER · 310 hp
Lycoming
Owners
1
since 1992
NTSB events
None
since 1982
ADs may apply
13
confirm with A&P
Service reports
13
since 1995

Registration

FAA Aircraft Registry · Oct 20, 2026
Registered owner
Warbelows Air Ventures INC
Owner type
Corporation
City, state
Fairbanks, AK
Certificate issued
Jul 13, 1992
Expires
Oct 31, 2027
Airworthiness
Standard · Normal
Airworthiness date
Nov 18, 1975

We never show street addresses, even though they appear in the public FAA file. Individual owners are shown by city and state only.

Airframe & engine

FAA Registry + type data

Airframe

Manufacturer
Piper
Model
PA-31-350
Year
1975
Serial number
31-7652037
Aircraft type
Fixed wing multi engine
Category
Land
Certification
Type Certificated
Seats
8
Engines
2
Max takeoff weight
Up to 12,499 lb
Mode S code
A7BAAF

Engine

Make and model
Lycoming Ti0-540 Ser
Type
Reciprocating
Power
310 hp

Total time and engine hours aren't public. They appear here once the owner adds logbooks.

Ownership history

Ownership history from FAA records
  1. 1992 – nowWarbelows Air Ventures INCFairbanks, AK · current
  2. 1956 – 1959Individual ownerPaterson, NJ · different airframe: Cessna Uc-78 S/N 5292

Individual owners are shown by city and state only.

Safety record

NTSB · Oct 15, 2026 · FAA ADs · Oct 20, 2026 · SDRs · Oct 16, 2026

NTSB events (0)

No NTSB accidents or incidents found for this airframe since 1982.

Accident history for this model

ADs published since 1998 that may apply (13)

These match the airframe or engine model. Whether each one applies, and whether it's been complied with, depends on serial numbers, equipment and logbook entries. Applicability must be confirmed by a mechanic against the aircraft's records.

ADSubjectEffectiveApplies to
2017-10-20Fuselage--Main BulkheadJun 29, 2017Airframe (PA-31-350)Certain serial numbers: PA-31 31-2–31-900; PA-31 31-7300901–31-8312019; PA-31-300 31-2–31-900; PA-31-300 31-7300901–31-8312019; PA-31-325 31-2–31-900; PA-31-325 31-7300901–31-8312019; …
2016-08-18Engine Fuel and ControlJun 6, 2016Airframe (PA-31-350)Certain serial numbers: PA-31-350 31-5001–31-5004; PA-31-350 31-7305005–31-8452024; PA-31-350 31-8253001–31-8553002. Only with: Equipped with Lycoming LTIO-540-J2B/TIO-540-J2B or LTIO-540-J2BD/TIO-540-J2BD engines and fuel pump hose assemblies Piper P/N 39995-034 or Lycoming P/N LW-12877-6S142.
2016-05-01FuselageApr 15, 2016Airframe (PA-31-350)Certain serial numbers: PA-31 31-2–31-900; PA-31 31-7300901–31-8312019; PA-31-300 31-2–31-900; PA-31-300 31-7300901–31-8312019; PA-31-325 31-2–31-900; PA-31-325 31-7300901–31-8312019; …
2013-10-04Engine ExhaustJul 17, 2013Airframe (PA-31-350)Only with: Applies to turbocharged airplanes.
2009-13-06 R1Piper Aircraft, Inc. AirplanesNov 3, 2011Airframe (PA-31-350)Only with: Equipped with a baggage door in the fuselage nose section (nose baggage door).
Show all 13 ADs
ADSubjectEffectiveApplies to
2000-25-01The New Piper Aircraft, Inc. (formerly Piper Aircraft Corporation) PA-31 Series AirplanesJan 19, 2001Airframe (PA-31-350)Certain serial numbers: PA-31 31-2–31-900; PA-31 31-7300901–31-8312019; PA-31-300 31-2–31-900; PA-31-300 31-7300901–31-8312019; PA-31-350 31-5001–31-5004; PA-31-350 31-7305005–31-8553002; …. Only with: Equipped with Piper P/N 46653-00 or 47529-32 aluminum main landing gear door hinge assemblies (or FAA-approved equivalents); aircraft referred to as PA-31-310 are PA-31 airplanes.
2000-06-06The New Piper Aircraft, Inc. PA-31 Series AirplanesMar 23, 2000Airframe (PA-31-350)Only with: Equipped with pneumatic deicing boots.
99-12-05The New Piper Aircraft, Inc. Models PA- 31, PA-31-300, PA-31-325, PA-31-350, and…Jul 23, 1999Airframe (PA-31-350)Certain serial numbers: PA-31 31-2–31-8312019; PA-31-300 31-2–31-8312019; PA-31-325 31-2–31-8312019; PA-31-350 31-5001–31-8553002; PA-31P-350 31P-8414001–31P-8414050. Only with: Airplanes not equipped with the improved design elevators or elevator spar assemblies specified in the Material Required Table of Piper Service Bulletin No. 998A, dated August 4, 1997.
99-06-01The New Piper Aircraft, Inc. Models PA- 31, PA-31-300, PA-31-325, PA-31-350, and…Apr 20, 1999Airframe (PA-31-350)Certain serial numbers: PA-31 31-2–31-8312019; PA-31-300 31-2–31-8312019; PA-31-325 31-2–31-8312019; PA-31-350 31-5001–31-8553002; PA-31P-350 31P-8414001–31P-8414050
98-09-25The New Piper Aircraft, Inc. Models PA- 31, PA-31-300, PA-31-325, and PA-31-350 AirplanesJun 15, 1998Airframe (PA-31-350)Certain serial numbers: PA-31 31-2–31-8312019; PA-31-300 31-2–31-8312019; PA-31-325 31-2–31-8312019; PA-31-350 31-5001–31-8553002
98-08-18The New Piper Aircraft, Inc. Models PA- 31, PA-31-300, PA-31-325, PA-31-350, and PA-31P…May 26, 1998Airframe (PA-31-350)Certain serial numbers: PA-31 31-2–31-8312019; PA-31-300 31-2–31-8312019; PA-31-325 31-2–31-8312019; PA-31-350 31-5001–31-8553002; PA-31P 31P-1–31P-7730012
98-04-27The New Piper Aircraft Corporation Models PA-23, PA-23-160, PA-23-235, PA-23-250…Mar 13, 1998Airframe (PA-31-350)
96-10-14The New Piper Aircraft, Inc. (Formerly Piper Aircraft Corporation) PA31, PA31P, and…Jun 27, 1996Airframe (PA-31-350)Certain serial numbers: PA31 31-2–31-8312019; PA31-300 31-2–31-8312019; PA31-325 31-2–31-8312019; PA31-350 31-5001–31-8553002; PA31P 31P-2–31P-7730012; PA31P-350 31P-8414001–31P-8414050; …. Only with: Applies to airplanes without improved design MLG forward sidebraces P/N 85165-02/-03 or P/N 85166-02/-03 installed.

AI-extracted — verify against original. Matched from each AD's applicability section; ADs replaced by a later AD are left out.

Service Difficulty Reports (13)

Reports of failures and defects that operators and repair stations sent to the FAA since 1995. A report describes one finding; it is not an accident.

  • Reciprocating engine · valve seat · dislodgedJun 30, 2015

    AFTER COMPLETING ROUTINE LANDING, PILOT NOTED THAT THE LT ENGINE WAS RUNNONG ROUGH ON GROUND WITH HIGH MANIFOLD PRESSURE AND THE LT FUEL FLOW INDICATED ZERO IN FLIGHT WHEN LEANED. ON INVESTIGATION, THE LEFT ENGINE CYLINDER NR 4 EXHAUST VALVE SEAT WAS DISLODGED AND WAS PREVENTING THE EXHAUST VALVE…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Landing gear · downlock switch · inoperativeApr 19, 2011

    PILOT WAS ON APPROACH AND NOTICED GEAR UNSAFE LIGHT FAILED TO EXTINGUISH ON GEAR DOWN SELECTION. GREEN LIGHT ALSO FAILED TO ILLUMINATE FOR NOSE LANDING GEAR. PILOT DIVERTED & LANDED WITHOUT INCIDENT. MX ENSURED GEAR WAS LOCKED AND TOWED TO HANGAR FOR INSP AND FOUND THE LANDING GEAR DOWNLOCK SWITCH…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Reciprocating engine · cam follower · corrodedNov 23, 2009

    EXCESSIVE CAM LOBE WEAR IS CAUSING POWER LOSS AND EARLY REMOVAL OF SEVERAL OF OUR ENGINES. THIS ENGINE WAS REMOVED AT 1650.2 TTSO WITH 549.8 REMAINING ON OUR 2200HR O/H INTERVAL. HAVE BEEN IN CONTACT WITH MFG TECH SUPPORT FOR AN EXTENDED PERIOD OF TIME NOW NAD HAVE YET TO FIND A SOLUTION. IT SEEMS…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
Show all 10 reports
  • Engine oil · oil cooler · rupturedMar 25, 2004

    ON 24 MAR 04, AC DEPARTED, AT APPROX 50 MILES FROM DEPARTURE, PILOT NOTICED A LOSS OF MANIFOLD PRESSURE AND A LOSS OF OIL PRESSURE ON THE LT ENGINE, FEATHERED THE LT PROPELLER, SHUT DOWN THE LT ENGINE AND RETURNED TO DEPARTURE. A MAINTENANCE INSPECTION REVEALED THAT THE LT OIL COOLER HAD RUPTURED…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Reciprocating engine · crankshaft · brokenNov 12, 2003

    ON APPROACH, ON 10 NOVEMBER 2003, THE PILOT NOTICED FUEL FLOW FLUCTUATIONS AND AN ABRUPT LOSS OF OIL PRESSURE ON THE LT ENGINE AND IMMEDIATELY SHUT THE ENGINE DOWN. PILOT CONTINUED FLIGHT AND LANDED SAFELY WITHOUT FURTHER INCIDENT. PILOT IMMEDIATELY REPORTED THIS PROBLEM TO MAINTENANCE, WHO CAME…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Reciprocating engine · tube · crackedMay 7, 2002

    PILOT RETURNED FROM FLIGHT AND NOTIFIED MAINTENANCE OF AN OIL LEAK ON THE LEFT ENGINE. IT WAS DISCOVERED THAT A LEAK WAS COMING FROM NR 2 CYLINDER EXHAUST PUSHROD TUBE. WHEN THE TUBE WAS REMOVED A CRACK WAS FOUND APPROXIMATELY 4 INCHES FROM THE CYLINDER END. THE CRACK STARTED AT A DENT IN THE TUBE…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Reciprocating engine · connecting rod · damagedMay 2, 2002

    DURING INSPECTION A LARGE PIECE OF CAST ALUMINUM WAS FOUND IN THE SUCTION SCREEN. THE ODD BANK OF CYLINDERS WERE REMOVED TO LOOK FOR DAMAGE. NR 6 CONNECTING ROD CAP WAS OBSERVED TO BE SCUFFED. SEVERAL ACCESSORIES WERE REMOVED AND NO DAMAGE WAS NOTED IN THE ACCESSORIES SECTION. ENGINE WAS REMOVED…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Reciprocating engine · camshaft · damagedFeb 26, 2001

    DURING INSPECTION METAL CONTAMINATION WAS DISCOVERED IN THE OIL FILTER. A CHECK OF VALVELIFT WAS DONE AND IT WAS DISCOVERED THAT NR5 AND NR6 INTAKE LOBES WERE EXCESSIVE. NR6 CYLINDER WAS REMOVED AND DAMAGE OBSERVED ON THE CAM LOBES AND TAPPET FOLLOWERS. NOTE: THIS IS THE 17TH ENGINE IN THREE YEARS.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Air conditioning and pressurization · regulator · leakingJan 2, 2001

    PILOT REPORTED HEATER INOPERATIVE. UPON INSPECTION, FOUND FUEL PRESSURE REGULATOR LEAKING. UNIT WAS REPLACED, OPS GOOD.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Reciprocating engine · camshaft · damagedJun 9, 2000

    DURING INSPECTION, BOTH CYLINDERS NR 1 AND NR 2 HAD LOW COMPRESSION. UPON REMOVING CYLINDERS INTAKE LOBES OF CAMSHAFT HAD EXTREME WEAR. THE TAPPET FACES WERE ALSO SPALLED. OVER PAST YEAR, THERE HAS BEEN FOUR SIMILAR PROBLEMS. SUBMITTER SUSPECTED PROBLEM IN MANUFACTURING PROCESS. (X)

    From FAA Service Difficulty Reports; matched by N-number and serial number.

Showing the 10 most recent of 13 reports.

Related aircraft

Show all 8 related aircraft
All 399 registered Piper PA-31-350 aircraft

Sources

  • FAA Aircraft RegistryRegistration, owner city and state, airframe, engineupdated Oct 20, 2026
  • NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
  • FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 20, 2026
  • FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026

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