# NTSB DEN70D0132: Bell 47G-3B, N73995, Alamogordo, NM, November 20, 1969

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: November 20, 1969
- Place: Alamogordo, NM · ALAMOGORDO, NM
- Location: 32.8836° N, 105.9636° W: Placed by OpenAirDocs: center of Alamogordo, NM, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=32.8836&lon=-105.9636&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report May 25, 1970
- Report: Brief approved by the director
- NTSB case key (mKey): 150870
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN70D0132
- Page: https://openairdocs.org/ntsb/DEN70D0132

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4447  69/11/20   ALAMOGORDO,N MEX    BELL 47G-3B         CR-  0  0  1  MISCELLANEOUS             COMMERCIAL, AGE 31, 4095
        TIME - 0830                    N73995              PX-  0  0  0  FERRY                     TOTAL HOURS, 635 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          HOLLOMAN AFB,N MEX          MARS SITE
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           POWERPLANT - MISCELLANEOUS: POWERPLANT FAILURE FOR UNDETERMINED REASONS
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
```

## Aircraft

- Registration: [N73995](https://openairdocs.org/deregistered/N73995-2018-01-08), registration cancelled 2018-01-08, S/N 2786, built 1963 (OpenAirDocs)
- Reported make and model: BELL 47G-3B
- Registry model: [Bell 47G-3B](https://openairdocs.org/model/bell-47g-3b) (registry code 1181026) (OpenAirDocs)
- Registry engine: [Lycoming TVO-435-GIA](https://openairdocs.org/engine/lycoming-tvo-435-gia) (registry code 41526, turbo-prop) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N73995 (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 CHI08CA192](https://openairdocs.org/ntsb/CHI08CA192), Jul 11, 2008: Bell 47G-3B (N73995), Port Edwards, WI, substantial damage. Probable cause: The pilot failed to maintain control of the helicopter when he inadvertently flared the helicopter and the rotor rpm decayed as a result of sustaining bee stings during an aerial application flight.…
- [NTSB CHI80DEP36](https://openairdocs.org/ntsb/CHI80DEP36), Jun 11, 1980: Bell 47G-3B (N73995), Plainfield, WI, 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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