# NTSB DEN77FA020: Hiller Acft FH1100, N208DP, Alpine, WY, January 19, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: January 19, 1977
- Place: Alpine, WY · ALPINE, WY
- Location: 43.1729° N, 111.0209° W: Placed by OpenAirDocs: center of Alpine, WY, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.1729&lon=-111.0209&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 5 uninjured
- Status: Completed, report April 7, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 156984
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN77FA020
- Page: https://openairdocs.org/ntsb/DEN77FA020

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0479  77/1/19  NR.ALPINE,WY          HILLER ACFT FH1100  CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 1615                    N208DP              PX-  0  0  4  AIR TAXI-PASSG            AGE 31, 3040 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            205 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          SURVEY SITE                 ALPINE,WY
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
           PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
        FACTOR(S)
           WEATHER - HIGH DENSITY ALTITUDE
        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                                                      25
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
```

## Aircraft

- Registration: [N208DP](https://openairdocs.org/deregistered/N208DP-1998-09-08), registration cancelled 1998-09-08, S/N 77 (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

## 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 19770119006519A](https://openairdocs.org/incident/19770119006519A), Jan 19, 1977: Frchld FH1100, Alpine, WY, 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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