# Accident 19890826031889A: Ryan ST3KR, Hawthorne, CA, August 26, 1989

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: August 26, 1989, 12:26 local time
- Place: Hawthorne, CA
- Airport: Hawthorne Municipal Airport
- Damage: Substantial damage
- Phase of flight: Forced Landing
- Operating rules: General operating rules (Part 91)
- Location: 33.9097° N, 118.3401° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=33.9097&lon=-118.3401&mi=10
- Aircraft: N59466, registered now (https://openairdocs.org/aircraft/N59466) (OpenAirDocs)
- Registry model: Ryan Aeronautical ST3KR (registry code 7830502, https://openairdocs.org/model/ryan-aeronautical-st3kr) (OpenAirDocs)
- Registry engine: Kinner R5 series (registry code 37504, https://openairdocs.org/engine/kinner-r5-series) (OpenAirDocs)
- Reported make and model: RYAN ST3KR
- Reported engine: GLADEN R55
- Fatal injuries: 0
- Pilot flight hours: 536 total, 106 in this make and model, 29 in the last 90 days
- NTSB investigation: [NTSB LAX89LA288](https://openairdocs.org/ntsb/LAX89LA288) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19890826031889A

## Narrative

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

ENGINE RPM DROP AND VIBRATION. HIT SEVERAL OBSTRUCTIONS ON FORCED LANDING. INDICATES OIL TANK VALVE WAS OFF.

## 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 LAX89LA288](https://openairdocs.org/ntsb/LAX89LA288), Aug 26, 1989: Ryan ST3KR (N59466), Hawthorne, CA, substantial damage. Probable cause: OIL STARVATION OF THE ENGINE DUE TO THE PILOT'S FAILURE TO TURN THE OIL TANK SUPPLY VALVE ON PRIOR TO FLIGHT.

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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