# NTSB DEN74DQA06: Bell 47G3B2, N58131, Luna, NM, July 11, 1973

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 11, 1973
- Place: Luna, NM · LUNA, NM
- Location: 33.8175° N, 108.9412° W: Placed by OpenAirDocs: center of Luna, NM, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=33.8175&lon=-108.9412&mi=10
- Phase of flight: [Emergency descent](https://openairdocs.org/ntsb-phases/600) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report October 18, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 189176
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN74DQA06
- Page: https://openairdocs.org/ntsb/DEN74DQA06

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2513  73/7/11    LUNA,N MEX          BELL 47G3B2         CR-  0  0  2  MISCELLANEOUS             COMMERCIAL, FL.INSTR.,
        TIME - 1400                    N58131              PX-  0  0  0  TEST                      AGE 25, 3895 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            1800 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          LUNA,N MEX                  RED HILL,N MEX
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             IN FLIGHT: AUTOROTATIVE DESCENT
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
        FACTOR(S)
           PILOT IN COMMAND - MISJUDGED ALTITUDE
        REMARKS- SLOW PWR RESPONSE ON RECOVERY FM PRACTICE AUTOROTATION.
```

## Aircraft

- Registration: [N58131](https://openairdocs.org/deregistered/N58131-2013-05-23), registration cancelled 2013-05-23, S/N 6865, built 1973 (OpenAirDocs)
- Reported make and model: BELL 47G3B2
- Registry model: [Bell 47G3B2A](https://openairdocs.org/model/bell-47g3b2a) (registry code 1181025) (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

## 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 19730711019869A](https://openairdocs.org/incident/19730711019869A), Jul 11, 1973: Bell 47G3B2A, Luna, NM, Substantial damage. Slow pwr response on recovery fm practice autorotation.

## Other investigations on N58131 (4)

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 SEA93LA034](https://openairdocs.org/ntsb/SEA93LA034), Dec 7, 1992: Bell 47G3-B2A (N58131), Montpelier, ID, substantial damage. Probable cause: THE LOSS OF ENGINE POWER DUE TO LEAKING INTERNAL CARBURETOR SEALS, RESULTING FROM IMPROPER REPAIR OF THE CARBURETOR BY AN ACFT REPAIR STATION.
- [NTSB DEN87LA120](https://openairdocs.org/ntsb/DEN87LA120), May 8, 1987: Bell 47G3B2A (N58131), Brigham City, UT, substantial damage
- [NTSB SEA76FYG50](https://openairdocs.org/ntsb/SEA76FYG50), May 10, 1976: Bell 47G-3B (N58131), Spokane, WA, substantial damage
- [NTSB DEN74DQA42](https://openairdocs.org/ntsb/DEN74DQA42), Apr 30, 1974: Bell 47G3B2 (N58131), Farmington, NM, 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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