# NTSB SEA89LA096: Schweizer G-164, N8768H, Hermiston, OR, May 26, 1989

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: May 26, 1989, 10:30 local (17:30 UTC)
- Place: Hermiston, OR
- Coordinates: 45.849525, -119.209991 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=45.8495&lon=-119.2100&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report March 12, 1990
- Report: Approved by Office Director
- NTSB case key (mKey): 41021
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA89LA096
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/41021/pdf
- Page: https://openairdocs.org/ntsb/SEA89LA096

## Probable cause

FAILURE AND SEPARATION OF THE LEFT MAIN LANDING WHEEL.

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- Airframe/component/system failure/malfunction, landing - roll
  - landing gear,wheel - separation (cause)
- Nose over, landing - roll
  - ground loop/swerve - uncontrolled

## Analysis

ON LANDING ROLL AFTER AERIAL APPLICATION, THE LEFT MAIN LNDG WHEEL SEPARATED AND WAS SEEN ROLLING AWAY FROM THE AIRCRAFT. WHEN THE GEAR STUB CONTACTED THE GROUND, THE ACFT SWERVED AND NOSED OVER. THE WHEEL WAS NOT FOUND.

## Aircraft

- Registration: [N8768H](https://openairdocs.org/deregistered/N8768H-2011-02-25), registration cancelled 2011-02-25, S/N 1521, built 1975 (OpenAirDocs)
- Reported make and model: SCHWEIZER G-164
- Registry model: [Grumman Acft ENG Cor-Schweizer G-164A](https://openairdocs.org/model/grumman-acft-eng-cor-schweizer-g-164a) (registry code 3952801) (OpenAirDocs)
- Registry engine: [Pratt & Whitney R1340 series](https://openairdocs.org/engine/pratt-whitney-r1340-series) (registry code 52016, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 1521
- Airframe hours: 3686
- Engines: P&W R-1340-AN1 600 horsepower reciprocating
- Damage: Substantial damage
- Flight: Aerial application, Part 137
- Operator: Kenneth E. Meyer, doing business as West Flying Service
- Registered owner: Kenneth E Meyer
- Airworthiness certificate: Special, Restricted (Special)
- Last inspection: 100 hour, January 20, 1989, 10 hours before
- Airport: Ag Strip

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 42; commercial; airplane ratings: single-engine land; medical: class 2, valid medical--no waivers/lim.; seat: center; flight hours: 8,500 total, 2,500 in this make and model, 300 in the last 90 days, 125 in the last 30 days, 6 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 30 statute miles
- Lowest ceiling: none
- Temperature: 64 °F

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19890526013879A](https://openairdocs.org/incident/19890526013879A), May 26, 1989: Scwzer G164A, Hermiston, OR, Substantial damage. Left wheel came off on landing roll aircraft nosed over as gear leg hit the ground.

## Other investigations on N8768H (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 MKC80DER65](https://openairdocs.org/ntsb/MKC80DER65), Aug 2, 1979: Grumman G-164A (N8768H), Red Lake Falls, MN, substantial damage

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.

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