# NTSB FTW70DPD12: Bell 47G4, N73979, Stamford, TX, May 21, 1970

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 21, 1970
- Place: Stamford, TX · STAMFORD, TX
- Location: 33.0462° N, 99.5970° W: Placed by OpenAirDocs: center of Stamford, TX, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=33.0462&lon=-99.5970&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report March 1, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 122082
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW70DPD12
- Page: https://openairdocs.org/ntsb/FTW70DPD12

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2067  70/5/21  NR.STAMFORD,TEX       BELL 47G4           CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 22, 2070
        TIME - 0530                    N73979              PX-  0  0  2  POWER/PIPELINE            TOTAL HOURS, 100 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         STAMFORD,TEX                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISMANAGEMENT OF FUEL
           MISCELLANEOUS ACTS,CONDITIONS - INATTENTIVE TO FUEL SUPPLY
           MISCELLANEOUS ACTS,CONDITIONS - FUEL EXHAUSTION
           MISCELLANEOUS - EVASIVE MANEUVER TO AVOID COLLISION
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- ATTEMPTED ZERO GND SPEED TO AVOID TREES.
```

## Aircraft

- Registration: [N73979](https://openairdocs.org/deregistered/N73979-2014-11-17), registration cancelled 2014-11-17, S/N 2875, built 1963 (OpenAirDocs)
- Reported make and model: BELL 47G4
- Registry model: [Bell 47G-2A-1](https://openairdocs.org/model/bell-47g-2a-1) (registry code 1181014) (OpenAirDocs)
- Registry engine: [Lycoming VO-435 series](https://openairdocs.org/engine/lycoming-vo-435-series) (registry code 41525, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N73979 (3)

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 MIA04FA008](https://openairdocs.org/ntsb/MIA04FA008), Oct 21, 2003: Bell 47G-2A-1 (N73979), Balm, FL, destroyed, 2 fatal. Probable cause: The pilot's intentional buzzing and his failure to maintain altitude/clearance which resulted in an in-flight collision with a building.
- [NTSB NYC79DHA13](https://openairdocs.org/ntsb/NYC79DHA13), May 6, 1979: Bell 47G (N73979), Weatherly, PA, substantial damage
- [NTSB CHI73FEK07](https://openairdocs.org/ntsb/CHI73FEK07), Oct 2, 1972: Bell 47G-4 (N73979), Cambridge, OH, 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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