# Accident 19810525028669A: Bell 47G3B2, Tucson, AZ, May 25, 1981

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: May 25, 1981, 12:00 local time
- Place: Tucson, AZ
- Airport: Freeway
- Damage: Substantial damage
- Phase of flight: Sfl Autorotation
- Operating rules: General operating rules (Part 91)
- Location: 32.2778° N, 111.0096° W: Placed by OpenAirDocs at Freeway Airport, closed, within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=32.2778&lon=-111.0096&mi=10
- Aircraft: N4055G, a cancelled registration (https://openairdocs.org/deregistered/N4055G-1995-04-24) (OpenAirDocs)
- Registry model: Bell 47G-3B-2 (registry code 1181029, https://openairdocs.org/model/bell-47g-3b-2) (OpenAirDocs)
- Reported make and model: BELL 47G3B2
- Fatal injuries: 0
- Pilot flight hours: 7,736 total, 456 in this make and model, 52 in the last 90 days
- NTSB investigation: [NTSB LAX81DUJ64](https://openairdocs.org/ntsb/LAX81DUJ64) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19810525028669A

## Narrative

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

PILOT PRACTICING AUTOROTATIONS ALLOWED HELICOPTER TO HIT TOO HARD FLEXING ROTOR BLADES, CAUSING SUBSTANTIAL DAMAGE.

## 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 LAX81DUJ64](https://openairdocs.org/ntsb/LAX81DUJ64), May 25, 1981: Bell 47G3B2 (N4055G), Tucson, AZ, 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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