# NTSB DEN70AD044: Hiller Acft FH1100, N390P, Blanca, CO, January 8, 1970

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: January 8, 1970
- Place: Blanca, CO · BLANCA, CO
- Location: 37.4393° N, 105.5135° W: Placed by OpenAirDocs: center of Blanca, CO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.4393&lon=-105.5135&mi=10
- Phase of flight: [Emergency descent](https://openairdocs.org/ntsb-phases/600) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report June 10, 1970
- Report: Brief approved by the director
- Safety recommendations: Yes
- NTSB case key (mKey): 79865
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN70AD044
- Page: https://openairdocs.org/ntsb/DEN70AD044

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0184   70/1/8    BLANCA,COLO         HILLER ACFT FH1100  CR-  0  0  1  COMMERCIAL                ATP,FLIGHT INSTR., AGE
        TIME - 1345                    N390P               PX-  0  0  2  POWER/PIPELINE            34, 5836 TOTAL HOURS, 133
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            IN TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - BLANCA
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          ALAMOSA,COLO                ALAMOSA,COLO                 FT GARLAND,COLO
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: AUTOROTATIVE DESCENT
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           POWERPLANT - MISCELLANEOUS: POWERPLANT FAILURE FOR UNDETERMINED REASONS
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- ACFT WAS IN AUTOROTATION FROM PREVIOUS ENG OUT INDICATION OCCURRING IN CRUISE AT 120 FT AGL.
```

## Aircraft

- Registration: [N390P](https://openairdocs.org/deregistered/N390P-1978-07-06), registration cancelled 1978-07-06, S/N 123, built 1968 (OpenAirDocs)
- Reported make and model: HILLER ACFT FH1100
- Registry model: [Fairchild Hiller FH-1100](https://openairdocs.org/model/fairchild-hiller-fh-1100) (registry code 3376502) (OpenAirDocs)
- Category: Helicopter
- Engines: turbo shaft
- Damage: Substantial damage
- Airport: Blanca

## Other investigations on N390P (1)

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 OAK77FVM14](https://openairdocs.org/ntsb/OAK77FVM14), May 24, 1977: Fairchild FH1100 (N390P), San Francisco, CA, 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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