# Accident 19910811033219A: Cessna 172B, King City, CA, August 11, 1991

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: August 11, 1991, 14:00 local time
- Place: King City, CA
- Damage: Substantial damage
- Phase of flight: Fcd/Prec Ldg From Cruise
- Operating rules: General operating rules (Part 91)
- Location: 36.2009° N, 120.9402° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=36.2009&lon=-120.9402&mi=10
- Aircraft: N7910X, a cancelled registration (https://openairdocs.org/deregistered/N7910X-1991-09-17) (OpenAirDocs)
- Registry model: Cessna 172B (registry code 2072406, https://openairdocs.org/model/cessna-172b) (OpenAirDocs)
- Reported make and model: CESSNA 172B
- Reported engine: CONT O300D
- People aboard: 2
- Fatal injuries: 0
- Pilot flight hours: 115 total, 55 in this make and model, 12 in the last 90 days
- NTSB investigation: [NTSB LAX91LA353](https://openairdocs.org/ntsb/LAX91LA353) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19910811033219A

## Narrative

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

LOST PARTIAL POWER. LANDED IN FIELD WITH HIGH VEGETATION AND NOSED OVER. NR3 EXHAUST VALVE FAILED.

## 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 LAX91LA353](https://openairdocs.org/ntsb/LAX91LA353), Aug 11, 1991: Cessna 172B (N7910X), King City, CA, substantial damage. Probable cause: THE TOTAL LOSS OF ENGINE POWER IN CRUISE FLIGHT DUE TO THE FAILURE OF THE NUMBER 3 CYLINDER EXHAUST VALVE, RESULTING IN A FORCED LANDING, AND SUBSEQUENT NOSE OVER ON LANDING ROLL OUT.

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
