# Accident 19890623017499A: Scwzer G164A, Colfax, WA, June 23, 1989

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: June 23, 1989, 20:30 local time
- Place: Colfax, WA
- Damage: Substantial damage
- Phase of flight: Fcd/Prec Ldg From Cruise
- Operating rules: Agricultural (Part 137)
- Operator: NRVG
- Location: 46.8493° N, 117.4403° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=46.8493&lon=-117.4403&mi=10
- Aircraft: N8974H, registered now (https://openairdocs.org/aircraft/N8974H) (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 R985AN1
- People aboard: 1
- Fatal injuries: 0
- Pilot flight hours: 4,000 total, 1,800 in this make and model, 200 in the last 90 days
- NTSB investigation: [NTSB SEA89LA121](https://openairdocs.org/ntsb/SEA89LA121) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19890623017499A

## Narrative

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

BLEW A JUG DURING A SPRAY TURN AROUND AND NOSED OVER LANDING. ATTACH NUTS ON NR4 CYLINDER HAD WORKED LOOSE.

## 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 SEA89LA121](https://openairdocs.org/ntsb/SEA89LA121), Jun 24, 1989: Grumman-Schweizer G-164A (N8974H), Colfax, WA, substantial damage. Probable cause: IMPROPER INSTALLATION OF THE CYLINDER ASSEMBLY. THE TERRAIN WAS NOT SUITABLE FOR A SUCCESSFUL FORCED LANDING.

## Other reports on N8974H (3)

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

- [Accident 19880721027259A](https://openairdocs.org/incident/19880721027259A), Jul 21, 1988: Scwzer G164A (N8974H), Colfax, WA, Substantial damage. Collided with rising terrain on climbout to commence a spray operation.
- [Accident 19840623026549A](https://openairdocs.org/incident/19840623026549A), Jun 23, 1984: Scwzer G164A (N8974H), Murdo, ND, Substantial damage. Engine swallowed a valve and blew a jug during a spray run. Nosed over landing in a soft field when engine stopped.
- [Accident 19820601020239A](https://openairdocs.org/incident/19820601020239A), Jun 1, 1982: Scwzer G164A (N8974H), Angleton, TX, Destroyed. Struck a levee while looking for flagger. Impact broke landing gear. Dumped load. Flipped over on landing.

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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