# Accident 19850702036629A: Hynes B2, Denison, IA, July 2, 1985

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: July 2, 1985, 20:00 local time
- Place: Denison, IA
- Airport: Municipal
- Damage: Substantial damage
- Phase of flight: Pwr Off Run Land (Autorotation
- Operating rules: General operating rules (Part 91)
- Location: 42.0108° N, 95.3407° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=42.0108&lon=-95.3407&mi=10
- Aircraft: N6799D, a cancelled registration (https://openairdocs.org/deregistered/N6799D-2013-05-02) (OpenAirDocs)
- Registry model: Brantly B-2 (registry code 1440502, https://openairdocs.org/model/brantly-b-2) (OpenAirDocs)
- Registry engine: Lycoming O&VO-360 series (registry code 41514, https://openairdocs.org/engine/lycoming-o-vo-360-series) (OpenAirDocs)
- Reported make and model: HYNES B2
- Reported engine: LYC VO360A1A
- Fatal injuries: 0
- Pilot flight hours: 6,591 total, 263 in this make and model, 27 in the last 90 days
- NTSB investigation: [NTSB MKC85LA164](https://openairdocs.org/ntsb/MKC85LA164) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19850702036629A

## Narrative

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

DURING PRACTICE AUTOROTATION, ENGINE QUIT. MADE HARD LANDING DURING ACTUAL AUTOROTATION.

## 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 MKC85LA164](https://openairdocs.org/ntsb/MKC85LA164), Jul 3, 1985: Brantly Helicopter B-2 (N6799D), Denison, IA, substantial damage

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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