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Aircraft record

N9993R1979 Piper PA-31-350

Registration validUnclaimedSource: FAA, updated Oct 20, 2026

Safety record in brief:1 NTSB accident (substantial damage, May 1985)15 ADs may apply2 service difficulty reports

Registration
Valid
expires Oct 31, 2027
Based in
Wilmington, DE
owner city / state
Engine
TIO-540-J2BD · 350 hp
Lycoming
Owners
1
since 2017
NTSB events
1
substantial, 1985
ADs may apply
15
confirm with A&P
Service reports
2
since 1995

Registration

FAA Aircraft Registry · Oct 20, 2026
Registered owner
Csc Delaware Trust Co Trustee
Owner type
Corporation
City, state
Wilmington, DE
Certificate issued
Oct 16, 2017
Expires
Oct 31, 2027
Airworthiness
Standard · Normal
Airworthiness date
Dec 14, 1979

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
1979
Serial number
31-8052029
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
ADF6E3

Engine

Make and model
Lycoming Tio-540-J2bd
Type
Reciprocating
Power
350 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. 2017 – nowCsc Delaware Trust Co TrusteeWilmington, DE · current
  2. 1973Individual ownerWhite Plains, NY · different airframe: Beechcraft B95 S/N Td-427

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 (1)

Accident · substantial damage

May 17, 1985 · Potsdam, NY

THE PILOT RECEIVED A WEATHER BREIFING AND FILED AN IFR FLIGHT PLAN WITH MASSENA FLIGHT SERVICE STATION. THE FLIGHT WAS UNEVENTFUL AND THE AIRCRAFT WAS CLEARED FOR THE NDB APPROACH AT POTSDAM BY BOSTON CENTER. WHEN THE AIRPORT WAS IN SIGHT, THE PILOT CNACELLED THE FLIGHT PLAN AND PROCEEDED VFR TO THE AIRPORT. ACCORDING TO THE PILOT, THE LANDING CHECKLIST WAS STARTED AND THE FLAPS EXTENDED TO 25…

Damage
Substantial
Injuries
None
Report
NYC85LA126

From NTSB records; matched by serial number.Read NTSB report (search CAROL for NYC85LA126)

Accident history for this model

ADs published since 1998 that may apply (15)

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 15 ADs
ADSubjectEffectiveApplies to
2005-19-11Lycoming Engines (Formerly Textron Lycoming) AEIO-360, IO-360, O-360, LIO-360, LO-360…Oct 21, 2005Engine (TIO-540-J2BD)Only with: Engines rated at 300 HP or lower, manufactured new, rebuilt, or overhauled after March 1, 1999, or that had a crankshaft installed after March 1, 1999.
2004-05-24Lycoming Engines (Formerly Textron Lycoming) AEIO-540, IO-540, LTIO-540, O-540, and…Mar 30, 2004Engine (TIO-540-J2BD)Only with: Engines with crankshaft gear retaining bolts P/N STD-2209 installed; excludes O-540-F series engines subject to AD 99-03-05 with bolt not since replaced, engines with bolt installed at original assembly or replaced by Lycoming per SB 554 after November 10, 1998, engines with bolt from replacement kits 05K19987, 05K23325, 05K23326, 05K23327, 05K23335 or 05K23336, and engines with single-drive dual magnetos.
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 (2)

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.

  • Landing gear · centering cam · malfunctionedApr 11, 2014

    PILOT REPORTED THAT NOSE GEAR WOULD NOT EXTEND VIA NORMAL EXTENSION PROCEDURES. EMERGENCY EXTENSION PROCEDURE USED TO EXTEND MLG. MX FOUND NOSE GEAR CENTERING CAM WORN & THEREFORE NOSE GEAR WAS NOT CENTERING DURING RETRACTION & BINDING IN WW. CAM WAS REPLACED & SYS FUNCTIONED NORMALLY.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Landing gear · bolt · brokenNov 29, 2013

    PILOT REPORTED NLG FAILED TO EXTEND ON APPROACH. ATTEMPTED TO MANUAL EXTEND GEAR WITH NO RESULT. GEAR EXTENDED DURING POS G MANEUVERING & ACFT LANDED WITHOUT INCIDENT. INSPECTED NG SYS & FOUND SCUFFING INSIDE WW & ON GEAR DOORS, SUGGESTING GEAR WAS NOT CTR WHEN RETRACTED. NG STEERING SYS WAS…

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

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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