# N9855F: 1953 Lockheed P2V-5F, registration cancelled 2021-07-31

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: July 31, 2021
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Lockheed P2V-5F](https://openairdocs.org/model/lockheed-p2v-5f) (registry code 5260110)
- Engine: [Wright R3350-32WA](https://openairdocs.org/engine/wright-r3350-32wa) (registry code 67042)
- Data sheets: [TCDS A17EA](https://openairdocs.org/tcds/A17EA) (OpenAirDocs)
- Serial number: 131445
- Year built: 1953
- Type of aircraft: Fixed wing multi engine
- Engine type: Reciprocating
- Airworthiness: Restricted, forest
- Airworthiness date: April 22, 2016
- Certificate issued: September 13, 1993
- Last registry action: November 15, 2017
- Mode S code: ADC0C4
- Owner when cancelled: [Neptune Aviation Services Inc](https://openairdocs.org/faa-owner/NEPTUNE%20AVIATION%20SERVICES%20INC)
- Location: [Missoula, MT](https://openairdocs.org/faa-place/MT/Missoula)
- Owner type: Corporation
- Owner's area on the map: 46.9621° N, 114.0922° W: Placed by OpenAirDocs at the center of ZIP code 59808, within about 7 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N9855F
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=9855F
- Page: https://openairdocs.org/deregistered/N9855F-2021-07-31

From the FAA registry file of November 3, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Lockheed P2V-5F: https://openairdocs.org/model/lockheed-p2v-5f.md

## Service difficulty reports (14)

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

- [SDR NI6R201707220042](https://openairdocs.org/sdr/NI6R201707220042), Jul 22, 2017: GOVERNOR. FAULTED. 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 
- [SDR NI6R201706110039](https://openairdocs.org/sdr/NI6R201706110039), Jun 11, 2017: ROCKER SHAFT. FAILED. 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 RETUR
- [SDR NI6R201603270032](https://openairdocs.org/sdr/NI6R201603270032), Mar 27, 2016: CYLINDER. INOPERATIVE. LEFT RADIAL ENGINE BEGAN POPPING AND BANGING. FLIGHT CREW CHECKED ENGINE ANALYZER AND FOUND A DEAD CYLINDER INDICATION. ENGINE WAS SHUTDOWN AND SECURED. UNEVENT
- [SDR NI6R201507120029](https://openairdocs.org/sdr/NI6R201507120029), Jul 12, 2015: POSITION SENSOR. OUT OF ADJUST. 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 AC
- [SDR NI6R201407200014](https://openairdocs.org/sdr/NI6R201407200014), Jul 20, 2014: ENGINE. MAKING METAL. 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 RETA
- [SDR NI6R201306190012](https://openairdocs.org/sdr/NI6R201306190012), Jun 19, 2013: LINE. RUPTURED. 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 
- [SDR NI6R20121220011](https://openairdocs.org/sdr/NI6R20121220011), Dec 20, 2012: SKIN. CRACKED. 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 FAST
- [SDR NI6R20121220010](https://openairdocs.org/sdr/NI6R20121220010), Dec 20, 2012: SKIN. CRACKED. 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 MEA
- [SDR NI6R20121105008](https://openairdocs.org/sdr/NI6R20121105008), Nov 4, 2012: DOWNLOCK SENSOR. OUT OF ADJUST. DURING CLIMB, LANDING GEAR HANDLE WAS PLACED INTO RETRACT. BOTH MLG RETRACTED NORMALLY, NLG DID NOT. AFTER SEVERAL ATTEMPTS, CREW DECLARED AND IN-FLIGHT EMERGEN
- [SDR NI6R20120913007](https://openairdocs.org/sdr/NI6R20120913007), Sep 6, 2012: CYLINDER. FAILED. 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 
- [SDR NI6R20120814003](https://openairdocs.org/sdr/NI6R20120814003), Aug 14, 2012: WING. CRACKED. AT LEFT WING STATION 40, A CRACK IN THE WING SKIN, JUST OUTBOARD OF THE FUSELAGE SKIN, APPROXIMATELY 4 INCHES LONG WAS DISCOVERED UNDER AN EXISTING REPAIR USING
- [SDR NI6R20110817001](https://openairdocs.org/sdr/NI6R20110817001), Jul 30, 2011: FILTER HOUSING. RUPTURED. AFTER DROPPING RETARDANT ON A FIRE, WHILE AT CRUISE RETURNING TO BASE, MAIN HYDRAULIC SYSTEM FAILURE OCCURRED WITH ASSOCIATED VAPORS IN THE COCKPIT. VISUAL INSP
- [SDR 2010FA0001060](https://openairdocs.org/sdr/2010FA0001060), Sep 16, 2010: REGULATOR VALVE. WORN. (NI6R) ON APPROACH FOR LANDING, THE AIRCREW DISCOVERED THE MAIN HYD SYS WOULD NOT BUILD PRESSURE ABOVE 1,000 PSI. NORMAL IN-FLIGHT OPERATING RANGE IS 1,400 - 1,
- [SDR 97ZZZX4661](https://openairdocs.org/sdr/97ZZZX4661), Aug 26, 1997: CASTING. CRACKED. WHILE ACCOMPLISHING A FLEET-WIDE INSPECTION OF AIRCRAFT, A CASTING CRACK WAS FOUND ON A SECOND UNIT WITHIN FLEET.

## FAA accident and incident reports (1)

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 20120906018239I](https://openairdocs.org/incident/20120906018239I), Sep 6, 2012: Lockheed P2V-5F (N9855F), Missoula, MT, Minor damage. Aircraft was on a maintenance test flight when the chip dectector light illuminated for the number 1 engine. The engine quit running. The crew feathered the…

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