# Accident 19771127036189A: Navion NAVION/, Greasewood, AZ, November 27, 1977

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: November 27, 1977
- Place: Greasewood, AZ
- Damage: Substantial damage
- Phase of flight: Fcd/Prec Ldg From Cruise
- Location: 35.5381° N, 109.8647° W: Placed by OpenAirDocs: center of Greasewood, AZ, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.5381&lon=-109.8647&mi=10
- Aircraft: N4140K, a cancelled registration (https://openairdocs.org/deregistered/N4140K-2012-06-07) (OpenAirDocs)
- Registry model: Ryan NAVION (registry code 6150160, https://openairdocs.org/model/ryan-navion) (OpenAirDocs)
- Registry engine: Continental E185 series (registry code 17014, https://openairdocs.org/engine/continental-e185-series) (OpenAirDocs)
- Reported make and model: NAVION NAVION/
- Fatal injuries: 0
- Pilot flight hours: 430 total, 150 in this make and model, 30 in the last 90 days
- NTSB investigation: [NTSB LAX78DUJ14](https://openairdocs.org/ntsb/LAX78DUJ14) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19771127036189A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

FOREIGN MATTER CAUSED MALFUNCTION OF PRESSURE RELIEF VALVE. LND BESIDE BUSY HIWAY.

## The NTSB's investigation of this event (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 LAX78DUJ14](https://openairdocs.org/ntsb/LAX78DUJ14), Nov 27, 1977: Navion A (N4140K), Greasewood, AZ, substantial damage

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. For accidents, the NTSB's own investigation is the fuller record.

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