# NTSB DEN76FAQ06: Bell 47G3B1, N73998, Belen, NM, July 23, 1975

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 23, 1975
- Place: Belen, NM · BELEN, NM
- Location: 34.7666° N, 106.8085° W: Placed by OpenAirDocs: center of Belen, NM, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=34.7666&lon=-106.8085&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report September 3, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 150271
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN76FAQ06
- Page: https://openairdocs.org/ntsb/DEN76FAQ06

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2164  75/7/23  NR.BELEN,NM           BELL 47G3B1         CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 30, 3435
        TIME - 1430                    N73998              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 225 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         BELEN,NM                     LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: POWER-ON DESCENT
           GEAR COLLAPSED                                           LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           POWERPLANT - MISCELLANEOUS: POWERPLANT FAILURE FOR UNDETERMINED REASONS
           AIRFRAME - LANDING GEAR: SKID ASSEMBLY
        FACTOR(S)
           TERRAIN - WET,SOFT GROUND
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- WELD PREVIOUSLY CRACKED,SKID COLLAPSED.M/R SEVERED TAILBOOM.
```

## Aircraft

- Registration: [N73998](https://openairdocs.org/aircraft/N73998), registered now, S/N 2902, built 1964 (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

## 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 19750723022859A](https://openairdocs.org/incident/19750723022859A), Jul 23, 1975: Bell 47G3B1, Belen, NM, Substantial damage. Weld previously cracked,skid collapsed.m/r severed tailboom.

## Other investigations on N73998 (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 CHI94T#A04](https://openairdocs.org/ntsb/CHI94T%23A04), Jun 10, 1994: Bell 47G3B1 (N73998), Medina, MN, substantial damage
- [NTSB CHI91DER13](https://openairdocs.org/ntsb/CHI91DER13), Aug 9, 1991: Bell 47G-3B-1 (N73998), Maple Grove, MN, substantial damage. Probable cause: THE PILOT'S FAILURE TO MAINTAIN DIRECTIONAL CONTROL OF THE HELICOPTER DURING THE FORCED LANDING. RELATED FACTORS ARE THE LOSS OF ENGINE POWER, LOSS OF ROTOR RPM, THE ERODED COMPRESSOR BLADES, THE…
- [NTSB DEN79FQA37](https://openairdocs.org/ntsb/DEN79FQA37), Jul 6, 1979: Bell 47G (N73998), Socorro, NM, substantial damage
- [NTSB LAX65A0071](https://openairdocs.org/ntsb/LAX65A0071), Feb 27, 1965: Bell 47G3B1 (N73998), Bishop, CA, 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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