# Accident 19910218002599A: Hughes 269C, Knowles, OK, February 18, 1991

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: February 18, 1991, 15:00 local time
- Place: Knowles, OK
- Damage: Substantial damage
- Phase of flight: Sfl Autorotation
- Operating rules: General operating rules (Part 91)
- Location: 36.8729° N, 100.1924° W: Placed by OpenAirDocs: center of Knowles, OK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=36.8729&lon=-100.1924&mi=10
- Aircraft: N8973F, registered now (https://openairdocs.org/aircraft/N8973F) (OpenAirDocs)
- Registry model: Hughes 269C (registry code 4470504, https://openairdocs.org/model/hughes-269c) (OpenAirDocs)
- Registry engine: Lycoming I0360 series (registry code 41515, https://openairdocs.org/engine/lycoming-i0360-series) (OpenAirDocs)
- Reported make and model: HUGHES 269C
- Reported engine: LYC HIO360D1A
- People aboard: 1
- Fatal injuries: 0
- Pilot flight hours: 1,445 total, 1,445 in this make and model, 15 in the last 90 days
- NTSB investigation: [NTSB FTW91LA041](https://openairdocs.org/ntsb/FTW91LA041) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19910218002599A

## Narrative

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

ALLOWED ROTOR RPM DECAY ON PRACTICE AUTOROTATION TO A PASTURE. IMPACTED HARD CHOPPING TAILBOOM. GUSTY WIND A FACTOR

## 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 FTW91LA041](https://openairdocs.org/ntsb/FTW91LA041), Feb 18, 1991: Hughes 269C (N8973F), Knowles, OK, substantial damage. Probable cause: THE PILOT'S FAILURE TO MAINTAIN A PROPER DESCENT RATE DURING THE MANEUVER AND HIS DELAY IN INITIATING THE GO-AROUND.

## Other reports on N8973F (1)

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

- [Accident 19810626085569A](https://openairdocs.org/incident/19810626085569A), Jun 26, 1981: Hughes 269C (N8973F), Union, NE, Substantial damage. Heard unusal noise during ag operation. Had high sink rate on landing. No mechanical descrepancies found.

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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