# Accident 19970716018599A: Waco YMF, Hilo, HI, July 16, 1997

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: July 16, 1997, 11:50 local time
- Place: Hilo, HI
- Airport: Hilo General Lyman Field Airport
- Damage: Substantial damage
- Phase of flight: Normal Cruise
- Operating rules: General operating rules (Part 91)
- Location: 19.4895° N, 154.9400° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=19.4895&lon=-154.9400&mi=10
- Aircraft: N553T (not matched to a registry record)
- Reported make and model: WACO YMF
- People aboard: 2
- Fatal injuries: 0
- Pilot flight hours: 7,686 total, 898 in this make and model, 99 in the last 90 days
- NTSB investigation: [NTSB LAX97LA245](https://openairdocs.org/ntsb/LAX97LA245) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19970716018599A

## Narrative

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

PROPELLER SEPARATED AT CRUIS PROP NOT ONE THAT WAS SUPPOSED TO BE INSTALLED.

## 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 LAX97LA245](https://openairdocs.org/ntsb/LAX97LA245), Jul 16, 1997: Classic Waco YMF-5 (N553T), Pahoa, HI, substantial damage. Probable cause: Loss of the propeller retaining nut and associated hardware for undetermined reasons. A factor in the accident was the lack of suitable terrain for a forced 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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