# NTSB DEN66A0086: Bell 47G3B1, N1198W, Luna, NM, May 30, 1966

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: May 30, 1966
- 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: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 3 serious
- Status: Completed, report October 20, 1966
- Report: Brief approved by the director
- NTSB case key (mKey): 171513
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN66A0086
- Page: https://openairdocs.org/ntsb/DEN66A0086

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0333  66/5/30    LUNA N MEX          BELL 47G3B1         CR-  0  1  0  COMMERCIAL                COMMERCIAL, AGE 31, 3450
        TIME - 1310                    N1198W              PX-  0  2  0  ASSOC FIRE CTL ACTIVITY   TOTAL HOURS, 1500 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: TREES                                     LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - SPONTANEOUS-IMPROPER ACTION
        FACTOR(S)
           WEATHER - DOWNDRAFT,UPDRAFTS
           WEATHER - HIGH DENSITY ALTITUDE
           TERRAIN - ROUGH/UNEVEN
           TERRAIN - HIGH OBSTRUCTIONS
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING OFF AIRPORT
                                  DIRECTIONAL CONTROL PROBLEM
                                  SUSPECTED MECHANICAL DISCREPANCY
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      79
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          225                                                       25
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- PILOT MISINTERPRETED TURBULENCE INDUCED CONTROL LOSS FOR TAIL ROTOR FAILURE.
```

## Aircraft

- Registration: [N1198W](https://openairdocs.org/deregistered/N1198W-2012-07-24), registration cancelled 2012-07-24, S/N 2952, built 1965 (OpenAirDocs)
- Reported make and model: BELL 47G3B1
- Registry model: [Bell 47G-4](https://openairdocs.org/model/bell-47g-4) (registry code 1181030) (OpenAirDocs)
- Registry engine: [Lycoming VO-540 series](https://openairdocs.org/engine/lycoming-vo-540-series) (registry code 41534, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N1198W (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 ATL81DA085](https://openairdocs.org/ntsb/ATL81DA085), Jun 24, 1981: Bell 47G-4 (N1198W), Jackson, MS, substantial damage
- [NTSB MIA75FKQ32](https://openairdocs.org/ntsb/MIA75FKQ32), May 14, 1975: Bell 47G4 (N1198W), Jackson, MS, substantial damage
- [NTSB DEN65A0065](https://openairdocs.org/ntsb/DEN65A0065), Apr 11, 1965: Bell 47G3B1 (N1198W), Payson, AZ, 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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