# N239X: Fish Robert P RV 4, registration cancelled 2013-09-17

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: September 17, 2013
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Fish Robert P RV 4](https://openairdocs.org/model/fish-robert-p-rv-4) (registry code 056089D)
- Engine: [Lycoming I0360 SER A&C](https://openairdocs.org/engine/lycoming-i0360-ser-a-c) (registry code 41511)
- Serial number: 812
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: March 13, 1989
- Certificate issued: March 30, 1988
- Last registry action: February 1, 1992
- Mode S code: A22BFC
- Owner when cancelled: [Fish Robert P](https://openairdocs.org/faa-owner/FISH%20ROBERT%20P)
- Location: [Monrovia, CA](https://openairdocs.org/faa-place/CA/Monrovia)
- Owner type: Individual
- Owner's area on the map: 34.1528° N, 118.0005° W: Placed by OpenAirDocs at the center of ZIP code 91016, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N239X
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=239X
- Page: https://openairdocs.org/deregistered/N239X-2013-09-17

From the FAA registry file of October 29, 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 Fish Robert P RV 4: https://openairdocs.org/model/fish-robert-p-rv-4.md

## NTSB investigations (1)

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 LAX89DUG03](https://openairdocs.org/ntsb/LAX89DUG03), Mar 21, 1989: Van'S/Fish RV-4 (N239X), Hesperia, CA, substantial damage, 1 fatal. Probable cause: THE PILOT'S FAILURE TO PROPERLY LATCH THE CANOPY PRIOR TO TAKEOFF AND BY ALLOWING THE AIRCRAFT TO ENTER INTO A STALL DURING A CRITICAL PHASE OF FLIGHT AT AN ATTITUDE INSUFFICIENT TO RECOVER SAFELY. A…

## 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.

- [Accident 19890321004289A](https://openairdocs.org/incident/19890321004289A), Mar 21, 1989: Amtrvn VANSRV4 (N239X), Hesperia, CA, Destroyed, 1 fatal. Canopy came off on initial climb. Pilot had failed to secure it, then stalled on the homebuilt maneuvering to land.

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