# Pratt & Whitney R-985-39

- Type: Engine model (FAA registry)
- Registry code: 51657
- Manufacturer (registry): P & W
- Model: R-985-39
- Engine type: Reciprocating
- Power: 450 hp
- Installed in: 4 registered aircraft
- Page: https://openairdocs.org/engine/pratt-whitney-r-985-39

Model codes come from the FAA registry's reference file.

## ADs that may apply (OpenAirDocs)

Matched to this engine model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

None matched.

## Registered aircraft (4)

- [N19FH](https://openairdocs.org/aircraft/N19FH): [Beaver Holdings LLC](https://openairdocs.org/faa-owner/BEAVER%20HOLDINGS%20LLC), [San Diego, CA](https://openairdocs.org/faa-place/CA/San%20Diego), built 1958, S/N 1296
- [N564RC](https://openairdocs.org/aircraft/N564RC): [November564rc LLC](https://openairdocs.org/faa-owner/NOVEMBER564RC%20LLC), [Kirkland, WA](https://openairdocs.org/faa-place/WA/Kirkland), built 1957, S/N 1156
- [N87697](https://openairdocs.org/aircraft/N87697): [Robinet William J II](https://openairdocs.org/faa-owner/ROBINET%20WILLIAM%20J%20II), [Veneta, OR](https://openairdocs.org/faa-place/OR/Veneta), built 1941, S/N 2939
- [N954GF](https://openairdocs.org/aircraft/N954GF): [Retterath Robert R](https://openairdocs.org/faa-owner/RETTERATH%20ROBERT%20R), [Fort Lauderdale, FL](https://openairdocs.org/faa-place/FL/Fort%20Lauderdale), built 1951, S/N 305

## 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 LAX83LVG16](https://openairdocs.org/ntsb/LAX83LVG16), Aug 5, 1983: Naval Aircraft Factory N3N-3-2939 (N87697), Lincoln, CA, no damage

## 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 19830804048699A](https://openairdocs.org/incident/19830804048699A), Aug 4, 1983: Naval N3N3 (N87697), Lincoln, CA, Destroyed. Aircraft stalled and crashed during steep climb after takeoff.

## Service difficulty reports (2)

As reported by operators and repair stations, by the model named in the report.

- [SDR CA030806006](https://openairdocs.org/sdr/CA030806006), Aug 6, 2003: BLOCK. CRACKED. (CAN) FOUND BEARING BLOCK ASSY. (AFT END OF HYD. CYL.) IN RT FLOAT FOR NOSE WHEEL HAD CRACKED THROUGH CENTER ALLOWING JACK PICK UP BEARING TO MOVE OUT OF BLOCK 
- [SDR CA030306004](https://openairdocs.org/sdr/CA030306004), Feb 28, 2003: SPAR. CRACKED. (CAN) INSPECTION CARRIED OUT AS PER SB 2/47 REV 'D' AD CR-91-42.TAILPLANE SPAR FOUND CRACKED LT SIDE TOP UNDER LT PICK-UP BRACKET C2TP159. MODS 2/436, 2/466, 2/

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