# NTSB DEN66A0080: Bell 47D1, N74121, Albuquerque, NM, May 6, 1966

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 6, 1966
- Place: Albuquerque, NM · ALBUQUERQUE, NM
- Location: 35.0845° N, 106.6511° W: Placed by OpenAirDocs: center of Albuquerque, NM, within about 8 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.0845&lon=-106.6511&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report September 23, 1966
- Report: Brief approved by the director
- NTSB case key (mKey): 172372
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN66A0080
- Page: https://openairdocs.org/ntsb/DEN66A0080

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0235   66/5/6    ALBUQUERQUE N MEX   BELL 47D1           CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 32, 609
        TIME - 1015                    N74121              PX-  0  0  0  PRACTICE                  TOTAL HOURS, 21 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - CORONADO
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: SWATH RUN
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           MISCELLANEOUS ACTS,CONDITIONS - FUEL EXHAUSTION
          PILOT-IMPROPERLY EXECUTED AUTOROTATIVE LANDING.
        FACTOR(S)
           POWERPLANT - POWERPLANT-INSTRUMENTS: FUEL QUANTITY GAUGE
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT.
        REMARKS- NOT USING RUNWAY.KNOW FUEL WAS LOW AND GAGE INOP
```

## Aircraft

- Registration: [N74121](https://openairdocs.org/deregistered/N74121-2013-05-08), registration cancelled 2013-05-08, S/N WH-5006, built 1963 (OpenAirDocs)
- Reported make and model: BELL 47D1
- Registry model: [Bell 47D1](https://openairdocs.org/model/bell-47d1) (registry code 1180802) (OpenAirDocs)
- Registry engine: [Franklin 6V4 series](https://openairdocs.org/engine/franklin-6v4-series) (registry code 27033, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Coronado

## Other investigations on N74121 (5)

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 CHI75DEV36](https://openairdocs.org/ntsb/CHI75DEV36), Jun 6, 1975: Bell 47D-1 (N74121), Carmi, IL, destroyed
- [NTSB FTW73FPD37](https://openairdocs.org/ntsb/FTW73FPD37), May 21, 1973: Bell 47D1 (N74121), Decatur, TX, substantial damage
- [NTSB FTW72DPD40](https://openairdocs.org/ntsb/FTW72DPD40), May 8, 1972: Bell 47D1 (N74121), Glen Rose, TX, substantial damage
- [NTSB FTW70FPA07](https://openairdocs.org/ntsb/FTW70FPA07), Mar 4, 1970: Bell 47D1 (N74121), Howe, TX, substantial damage
- [NTSB DEN66A0089](https://openairdocs.org/ntsb/DEN66A0089), Jun 19, 1966: Bell 47D1 (N74121), Hyattville, WY, 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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