# NTSB DEN67A0071: Hiller UH-12L, N90457, Fairplay, CO, May 23, 1967

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 23, 1967
- Place: Fairplay, CO · FAIRPLAY, CO
- Location: 39.2243° N, 105.9984° W: Placed by OpenAirDocs: center of Fairplay, CO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.2243&lon=-105.9984&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Brief approved by the director
- NTSB case key (mKey): 116775
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN67A0071
- Page: https://openairdocs.org/ntsb/DEN67A0071

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0195  67/5/23    FAIRPLAY,COLO       HILLER UH-12L       CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 0830                    N90457              PX-  0  0  0  CONSTRUCTION              AGE 41, 2800 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            100 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  IN FLIGHT: POWER-ON DESCENT
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
           PILOT IN COMMAND - FAILED TO USE OR INCORRECTLY USED MISC.EQUIPMENT
        FACTOR(S)
           WEATHER - HIGH DENSITY ALTITUDE
           WEATHER - UNFAVORABLE WIND CONDITIONS
           WEATHER - SUDDEN WINDSHIFT
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        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                                                      60
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- WHEN 500 LB AUGER ON SLING WAS LOWERED TO GRND IT ROLLED DOWNHILL.PLT DID NOT RELEASE LOAD.
```

## Aircraft

- Registration: [N90457](https://openairdocs.org/aircraft/N90457), registered now, S/N 2507 (OpenAirDocs)
- Reported make and model: HILLER UH-12L
- Registry model: [Hiller UH-12L4](https://openairdocs.org/model/hiller-uh-12l4) (registry code 4360128) (OpenAirDocs)
- Registry engine: [Lycoming VO-540-C2A](https://openairdocs.org/engine/lycoming-vo-540-c2a) (registry code 42244, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: 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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