# Accident 19920204053029A: Scwzer G164A, Greenfield, CA, February 4, 1992

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: February 4, 1992, 16:10 local time
- Place: Greenfield, CA
- Damage: Destroyed
- Phase of flight: Unauth Low Level Opns
- Operating rules: General operating rules (Part 91)
- Location: 36.2595° N, 121.3702° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=36.2595&lon=-121.3702&mi=10
- Aircraft: N8507H, a cancelled registration (https://openairdocs.org/deregistered/N8507H-2012-08-14) (OpenAirDocs)
- Registry model: Grumman Acft ENG Cor-Schweizer G-164A (registry code 3952801, https://openairdocs.org/model/grumman-acft-eng-cor-schweizer-g-164a) (OpenAirDocs)
- Registry engine: Pratt & Whitney R1340 series (registry code 52016, https://openairdocs.org/engine/pratt-whitney-r1340-series) (OpenAirDocs)
- Reported make and model: SCWZER G164A
- Reported engine: PWA R1340AN1
- People aboard: 1
- Fatal injuries: 0
- Pilot flight hours: 20,000 total, 650 in this make and model, 60 in the last 90 days
- NTSB investigation: [NTSB LAX92LA110](https://openairdocs.org/ntsb/LAX92LA110) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19920204053029A

## Narrative

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

FLEW INTO BOX CANYON BY MISTAKE AT LOW ALTITUDE. STRUCK CANYON WALL TURNING BACK. WAS SCOUTING FILMING AREAS.

## 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 LAX92LA110](https://openairdocs.org/ntsb/LAX92LA110), Feb 5, 1992: Grumman G-164A (N8507H), Greenfield, CA, destroyed. Probable cause: THE PILOT'S FAILURE TO MAINTAIN ADEQUATE ALTITUDE DURING AN INTENTIONALLY PERFORMED LOW ALTITUDE FLIGHT IN MOUNTAINOUS TERRAIN. CONTRIBUTING FACTORS RELATED TO THE PILOT'S VISUAL PERCEPTION OF THE…

## Other reports on N8507H (4)

Matched to the same aircraft by N-number and date.

- [Accident 19950511011709A](https://openairdocs.org/incident/19950511011709A), May 11, 1995: Scwzer G164A (N8507H), Richvale, CA, Substantial damage. Collided with a truck on ag air strip while landing. Came in too low.
- [Accident 19940611015189A](https://openairdocs.org/incident/19940611015189A), Jun 11, 1994: Scwzer G164A (N8507H), Bakersfield, CA, Substantial damage. While spraying sulfur dust. Load exploded into flames due high temperature. Nosed over on emergency landing.
- [Accident 19801022057909A](https://openairdocs.org/incident/19801022057909A), Oct 22, 1980: Grumav G164A (N8507H), Bakersfield, CA, Substantial damage. Engine lost power on spray run, impacted ground in adjacent field. Flipped over. Cause power loss unknown.
- [Accident 19761004031219A](https://openairdocs.org/incident/19761004031219A), Oct 4, 1976: Gulstm G164C (N8507H), Old River, CA, Substantial damage. Lnded along side of asphalt strip on soft alkali dirt. Fog in spray area.

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.
