# Accident 19910514016529A: Scwzer G164A, Lapwai, ID, May 14, 1991

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: May 14, 1991, 12:30 local time
- Place: Lapwai, ID
- Damage: Destroyed
- Phase of flight: Low Level Operations
- Operating rules: Agricultural (Part 137)
- Operator: WQRG
- Location: 46.3197° N, 116.7801° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=46.3197&lon=-116.7801&mi=10
- Aircraft: N8792H, a cancelled registration (https://openairdocs.org/deregistered/N8792H-1991-10-03) (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)
- Reported make and model: SCWZER G164A
- Reported engine: PWA R1340AN1
- Fatal injuries: 0
- Pilot flight hours: 2,411 total, 170 in this make and model, 196 in the last 90 days
- NTSB investigation: [NTSB SEA91LA105](https://openairdocs.org/ntsb/SEA91LA105) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19910514016529A

## Narrative

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

ENCOUNTERED DOWNDRAFT AT END OF FIELD. MAIN GEAR HIT MUDDY GROUND. IMPACT TORE OFF ENGINE. AIRCRAFT TOTALED BY FIRE

## 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 SEA91LA105](https://openairdocs.org/ntsb/SEA91LA105), May 14, 1991: Grumman G-164A (N8792H), Lapwai, ID, destroyed. Probable cause: THE PILOT'S MISJUDGMENT OF AN AERIAL APPLICATION SWATH RUN. FACTORS INCLUDE A DOWNDRAFT CONDITION AND SOFT TERRAIN.

## Other reports on N8792H (2)

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

- [Accident 19890325004649A](https://openairdocs.org/incident/19890325004649A), Mar 25, 1989: Scwzer G164A (N8792H), Rosalia, WA, Substantial damage. Engine quit on takeoff. Dumped load but nosed over landing in a soft field. Blower supercharger had failed.
- [Accident 19750829033509A](https://openairdocs.org/incident/19750829033509A), Aug 29, 1975: Gulstm G164C (N8792H), Harvard, IL, Substantial damage. Oil supply hole for bearing flange not drilled thru bearing. Mfg svc bulletin cvrs.

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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