# Accident 19790511011449A: Amtrth THORPT18, Zillah, WA, May 11, 1979

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: May 11, 1979, 18:30 local time
- Place: Zillah, WA
- Damage: Substantial damage
- Phase of flight: Normal Cruise
- Operating rules: General operating rules (Part 91)
- Location: 46.4084° N, 120.2727° W: Placed by OpenAirDocs: center of Zillah, WA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=46.4084&lon=-120.2727&mi=10
- Aircraft: N1947, a cancelled registration (https://openairdocs.org/deregistered/N1947-1979-08-09) (OpenAirDocs)
- Registry model: Thorp T-18 (registry code 89510TE, https://openairdocs.org/model/thorp-t-18) (OpenAirDocs)
- Reported make and model: AMTRTH THORPT18
- Reported engine: LYC O320E2D
- Fatal injuries: 0
- Pilot flight hours: 701 total, 80 in this make and model, 55 in the last 90 days
- NTSB investigation: [NTSB SEA79FYP21](https://openairdocs.org/ntsb/SEA79FYP21) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19790511011449A

## Narrative

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

PROPELLER BLADE FAILURE IN FLIGHT. PROP WAS SENSENICH MODEL M74DM MODIFIED FOR AMATEUR AIRCRAFT ONLY.

## 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 SEA79FYP21](https://openairdocs.org/ntsb/SEA79FYP21), May 11, 1979: Thorp T-18 (N1947), Zillah, WA, destroyed

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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