# NTSB LAX81DUJ64: Bell 47G3B2, N4055G, Tucson, AZ, May 25, 1981

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 25, 1981
- Place: Tucson, AZ · TUCSON, AZ
- Location: 32.2217° N, 110.9265° W: Placed by OpenAirDocs: center of Tucson, AZ, within about 9 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=32.2217&lon=-110.9265&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report July 23, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 125659
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX81DUJ64
- Page: https://openairdocs.org/ntsb/LAX81DUJ64

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1285  81/5/25    TUCSON,AZ           BELL 47G3B2         CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, FL.INSTR.,
        TIME - 1200                    N4055G              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  AGE 34, 7736 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            456 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - FREEWAY
        DEPARTURE POINT             INTENDED DESTINATION
          TUCSON,AZ                   LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED SPEED AND ALTITUDE
        REMARKS- PRACTICING TOUCHDOWN AUTOROTATIONS.
```

## Aircraft

- Registration: [N4055G](https://openairdocs.org/deregistered/N4055G-1995-04-24), registration cancelled 1995-04-24, S/N 6682 (OpenAirDocs)
- Reported make and model: BELL 47G3B2
- Registry model: [Bell 47G-3B-2](https://openairdocs.org/model/bell-47g-3b-2) (registry code 1181029) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Freeway

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19810525028669A](https://openairdocs.org/incident/19810525028669A), May 25, 1981: Bell 47G3B2, Tucson, AZ, Substantial damage. Pilot practicing autorotations allowed helicopter to hit too hard flexing rotor blades, causing substantial damage.

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.

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