# Pratt & Whitney R-1830-94

- Type: Engine model (FAA registry)
- Registry code: 51634
- Manufacturer (registry): P & W
- Model: R-1830-94
- Engine type: Reciprocating
- Power: 1,350 hp
- Installed in: 5 registered aircraft
- Page: https://openairdocs.org/engine/pratt-whitney-r-1830-94

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 (5)

- [N34](https://openairdocs.org/aircraft/N34): [Federal Aviation Administration](https://openairdocs.org/faa-owner/FEDERAL%20AVIATION%20ADMINISTRATION), [Oklahoma City, OK](https://openairdocs.org/faa-place/OK/Oklahoma%20City), built 1945, S/N 33359
- [N583V](https://openairdocs.org/aircraft/N583V): [Airborne Holdings Inc](https://openairdocs.org/faa-owner/AIRBORNE%20HOLDINGS%20INC), [Midlothian, TX](https://openairdocs.org/faa-place/TX/Midlothian), built 1944, S/N 12369
- [N7AP](https://openairdocs.org/aircraft/N7AP): [Ohio University](https://openairdocs.org/faa-owner/OHIO%20UNIVERSITY), [Albany, OH](https://openairdocs.org/faa-place/OH/Albany), built 1943, S/N 13896
- [N877MG](https://openairdocs.org/aircraft/N877MG): [Peters Gary](https://openairdocs.org/faa-owner/PETERS%20GARY), [Clarkston, WA](https://openairdocs.org/faa-place/WA/Clarkston), built 1949, S/N 20806
- [N8WJ](https://openairdocs.org/aircraft/N8WJ): [Stonehenge Air Museum Inc](https://openairdocs.org/faa-owner/STONEHENGE%20AIR%20MUSEUM%20INC), [Kalispell, MT](https://openairdocs.org/faa-place/MT/Kalispell), built 1942, S/N 9276

## NTSB investigations

None matched to aircraft with this engine model.

## 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 19780310014719I](https://openairdocs.org/incident/19780310014719I), Mar 10, 1978: Doug DC3C (N583V), Henderson, NC, 1 fatal. Main chute did not open fully. Reserve chute did not open fully. No evidence of chute defect.

## Service difficulty reports (6)

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

- [SDR 2024FA0000501](https://openairdocs.org/sdr/2024FA0000501), Jun 16, 2024: CYLINDER. CRACKED. DURING INSPECTION/TROUBLESHOOTING OF ENGINE FOR ROUGH OPERATION/BACKFIRING, FOUND EXHAUST ROCKER LOBE OF THE #9 CYLINDER CRACKED THRU EXHAUST PORT AND AROUND EX
- [SDR U97A2013110400001](https://openairdocs.org/sdr/U97A2013110400001), Oct 29, 2013: SUPERCHARGER. DETERIORATED. ENGINE RAN FINE UNTIL THE NR 3 PHASE INSPECTION WAS UNDERWAY. STC OIL FILTER WAS CUT OPEN REVEALING LARGE AMOUNTS OF ALUMINUM/ MAGNESIUM. ENGINE INTEGRAL OIL SC
- [SDR DJSA2396001](https://openairdocs.org/sdr/DJSA2396001), Mar 26, 1996: CYLINDER. CRACKED. NR 3 CYLINDER CRACKED ON NR 1 ENGINE, CAUSE UNKNOWN, CHANGED CYLINDER. (X)
- [SDR DJSA2396002](https://openairdocs.org/sdr/DJSA2396002), Mar 8, 1996: CYLINDER. CRACKED. RETURNED TO 'TOL' WITH ROUGH RUNNING ENGINE. FOUND NR 1 CYLINDER CRACKED ON NR 2 ENGINE. (X)
- [SDR DJSA950003](https://openairdocs.org/sdr/DJSA950003), Nov 10, 1995: CYLINDER. CRACKED. AIRCRAFT EN ROUTE FRM RWI TO PTK. RT ENGINE BACKFIRED AND RAN ROUGH. PRECAUTIONARY LANDING AT HLG WITHOUT INCIDENT. UPON INSPECTION, NR 11 CYLINDER ON NR 2 ENGI
- [SDR 95ZZZX1739](https://openairdocs.org/sdr/95ZZZX1739), Mar 16, 1995: CYLINDER. FAILED. NR 13 CYLINDER THERMAL SHOCKED APPROXIMATELY 20 MILES EAST OF MKE. LEFT ENGINE ROUGH AND BACKFIRING. SHUT ENGINE DOWN, RETURNED TO MKE. REPLACED NR 13 CYLINDER 

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