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Aircraft record

N9855F1953 Lockheed P2V-5F

DeregisteredUnclaimedSource: FAA, updated Oct 20, 2026

This N-number isn't registered right now. Below is its last known registration, canceled Jul 31, 2021.

Safety record in brief:No NTSB accidents or incidents since 1982No ADs since 1998 matched14 service difficulty reports

Registration
Deregistered
Last based in
Missoula, MT
owner city / state
Owners
1
since 1993
NTSB events
None
since 1982
ADs may apply
0
confirm with A&P
Service reports
14
since 1995

Registration

FAA Aircraft Registry · Oct 20, 2026
Last registered owner
Neptune Aviation Services INC
Owner type
Corporation
City, state
Missoula, MT
Certificate issued
Sep 13, 1993
Canceled
Jul 31, 2021
Airworthiness
Restricted · Forest
Airworthiness date
Apr 22, 2016

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
Lockheed
Model
P2V-5F
Year
1953
Serial number
131445
Aircraft type
Fixed wing multi engine
Category
Land
Certification
Type Certificated
Seats
1
Engines
2
Max takeoff weight
20,000 and over lb
Mode S code
ADC0C4

Engine

Make and model
Wright R3350-32wa
Type
Reciprocating
Power
2900 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. 1993 – 2021Neptune Aviation Services INCMissoula, MT

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.

ADs published since 1998 that may apply (0)

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.

No ADs published since 1998 matched this airframe or engine model.

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

Service Difficulty Reports (14)

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.

  • Propellers · governor · faultedJul 22, 2017

    ON TAKE OFF ROLL, CAPTAIN SAW THE RT RADIAL ENGINE RPM INDICATING HIGH. ATTEMPTED TO MANUALLY TOGGLE THE PROPELLER TO DECREASE THE ENGINE RPM. WHEN NO RPM DROP OCCURRED, ELECTED TO ABORT THE TAKE OFF. AS THE CREW HELD REVERSE PROPPELLER LONGER THAN NORMAL WHICH ALLOWED SOME OIL TO ENTER THE PRT…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Reciprocating engine · rocker shaft · failedJun 11, 2017

    AFTER RETARDANT DROP, THE FLIGHT CREW NOTICED OIL STREAMING DOWN THE SIDE OF THE RH RADIAL ENGINE. THE ENGINE WAS SHUT DOWN, AND AN IFE DECLARED. AIRCRAFT RETURNED TO BASE AND PERFORMED AN UNEVENTFUL LANDING. UPON INVESTIGATION, THE ROCKER ARM FOR NR 12 CYLINDER WAS FOUND TO HAVE FAILED AND…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Reciprocating engine · cylinder · inoperativeMar 27, 2016

    LEFT RADIAL ENGINE BEGAN POPPING AND BANGING. FLIGHT CREW CHECKED ENGINE ANALYZER AND FOUND A DEAD CYLINDER INDICATION. ENGINE WAS SHUTDOWN AND SECURED. UNEVENTFUL LANDING.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
Show all 10 reports
  • Landing gear · position sensor · out of adjustJul 12, 2015

    IMMEDIATELY AFTER TAKE OFF IN CLIMB THE NOSE LANDING GEAR WOULD NOT RAISE. IFE WAS DECLARED, EMERGENCY CHECKLIST WAS COMPLETED, AND AN UNEVENTFUL LANDING WAS ACCOMPLISHED.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Reciprocating engine · engine · making metalJul 20, 2014

    DURING CLIMB, THE NR 1 RADIAL ENGINE FRONT CHIP DETECT LIGHT ILLUMINATED. NO OTHER ABNORMAL INDICATIONS WERE PRESENT. THE DECISION WAS MADE TO JETTISON THE RETARDANT LOAD AND SECURE THE ENGINE. BOTH JETS AND NR 2 RADIAL ENGINE WERE OPERATING NORMALLY. AN EMERGENCY WAS DECLARED AND AN ENGINE OUT…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Hydraulic power · line · rupturedJun 19, 2013

    DURING RETURN FLIGHT FROM A RETARDANT DROP MISSION, THE MAIN HYD SYSTEM ACCUMULATOR AIR LINE RUPTURED, RESULTING IN LOSS OF MAIN HYD SYSTEM PRESSURE INDICATION IN THE COCKPIT. THE HYD SYSTEM PRESSURE REMAINED AT NORMAL LEVELS WITH NO LOSS OF CONTROL OR SYS ACTUATION. THE FLIGHT CREW COMPLETED…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Wings · skin · crackedDec 20, 2012

    DURING ANNUAL INSPECTION, DAMAGE WAS DISCOVERED ON LT LOWER WING SKIN AT FUEL SUMP ACCESS PANEL LOCATED AT WS 102.25. ONE MINOR CRACK IN FWD INBD CORNER AND MEASURES .200" IN LENGTH AND IS .050" FROM THE CLOSEST FASTENER. ANOTHER MINOR CRACK IS IN THE AFT OTBD CORNER AND MEASURES .125" IN LENGTH…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Wings · skin · crackedDec 20, 2012

    DURING ANNUAL INSPECTION, DAMAGE WAS DISCOVERED ON THE LT LOWER WING SKIN AT WS 114.5, CONSISTING OF A CRACK MEASURING 0.90" IN LENGTH AND EXTENDING INTO A FASTENER. THE AFFECTED AREA FALLS WITHIN THE AREA COVERED BY THE ORIGINAL AMOC FOR AD2002-19-13. ON-SITE DER DISPOSITION WITH ACO ENGINEERING…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Landing gear · downlock sensor · out of adjustNov 4, 2012

    DURING CLIMB, LANDING GEAR HANDLE WAS PLACED INTO RETRACT. BOTH MLG RETRACTED NORMALLY, NLG DID NOT. AFTER SEVERAL ATTEMPTS, CREW DECLARED AND IN-FLIGHT EMERGENCY, JETTISONED THE RETARDANT LOAD, AND LANDED WITHOUT INCIDENT. CAUSE WAS FOUND TO BE AN OUT-OF-RIG DOWN SENSING SWITCH. THE SWITCH WAS…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Reciprocating engine · cylinder · failedSep 6, 2012

    DURING CRUISE FLIGHT, THE LT RADIAL ENGINE NR 2 CYLINDER SUFFERED A CATASTROPHIC FAILURE. BOTH FRONT AND REAR OIL SUMP CHIP DETECTOR WARNING LIGHTS ILLUMINATED SIMULTANEOUSLY AND THE ENGINE EXPERIENCED SUDDEN STOPPAGE. THE CREW COMPLETED THE EMERGENCY SHUTDOWN CHECKLIST, FEATHERED THE PROPELLER…

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

Showing the 10 most recent of 14 reports.

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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