# NTSB DEN66A0051: Bell 47G3B1, N73947, Mesa, AZ, December 30, 1965

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: December 30, 1965
- Place: Mesa, AZ · MESA, AZ
- Location: 33.4223° N, 111.8226° W: Placed by OpenAirDocs: center of Mesa, AZ, within about 7 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=33.4223&lon=-111.8226&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report February 4, 1966
- Report: Brief approved by the director
- NTSB case key (mKey): 174921
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN66A0051
- Page: https://openairdocs.org/ntsb/DEN66A0051

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0898  65/12/30 NR.MESA ARIZ          BELL 47G3B1         CR-  0  0  1  MISCELLANEOUS             COMMERCIAL, FL.INSTR.,
        TIME - 1600                    N73947              PX-  0  0  1  DEMONSTRATION             AGE 36, 8200 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            2100 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
          PILOT-IMPROPERLY EXECUTED AUTOROTATIVE LANDING.
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SIMULATED CONDITIONS
```

## Aircraft

- Registration: [N73947](https://openairdocs.org/deregistered/N73947-2010-09-21), registration cancelled 2010-09-21, S/N 2821 (OpenAirDocs)
- Reported make and model: BELL 47G3B1
- Registry model: [Bell 47G-3B-1](https://openairdocs.org/model/bell-47g-3b-1) (registry code 1181028) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N73947 (2)

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 MIA88FA192](https://openairdocs.org/ntsb/MIA88FA192), Jun 15, 1988: Bell 47G3B-1 (N73947), Benoit, MS, substantial damage
- [NTSB LAX66A0004](https://openairdocs.org/ntsb/LAX66A0004-171141), Jul 11, 1966: Bell 47G-3B (N73947), Grand Canyon, AZ, destroyed

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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