# NTSB SEA78FTI16: Enstrom F-28C, N643H, Haugan, MT, May 20, 1978

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 20, 1978
- Place: Haugan, MT · HAUGAN, MT
- Location: 47.3886° N, 115.4078° W: Placed by OpenAirDocs: center of Haugan, MT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=47.3886&lon=-115.4078&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report June 9, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 142807
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA78FTI16
- Page: https://openairdocs.org/ntsb/SEA78FTI16

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0755  78/5/20    HAUGAN,MT           ENSTROM F-28C       CR-  0  0  1  NONCOMMERCIAL             STUDENT, AGE 54, 183
        TIME - 1750                    N643H               PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, ALL IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          WALLACE,ID                  HAUGAN,MT
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: TREES                                     LANDING: POWER-ON LANDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - SELECTED UNSUITABLE TERRAIN
        FACTOR(S)
           PILOT IN COMMAND - PHYSICAL IMPAIRMENT
           WEATHER - TURBULENCE, ASSOCIATED W/CLOUDS AND/OR THUNDERSTORMS
           TERRAIN - HIGH OBSTRUCTIONS
        WEATHER BRIEFING - UNKNOWN/NOT REPORTED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING OFF AIRPORT
                                  ADVERSE/UNFAVORABLE WEATHER
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          UNKNOWN/NOT REPORTED                                      1000
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      68
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          360                                                       10
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- LND IN CONFINED AREA DUE MDT TURB & ILLNESS.
```

## Aircraft

- Registration: [N643H](https://openairdocs.org/aircraft/N643H), registered now, S/N 396 (OpenAirDocs)
- Reported make and model: ENSTROM F-28C
- Registry model: [Enstrom F-28C](https://openairdocs.org/model/enstrom-f-28c) (registry code 3300407) (OpenAirDocs)
- Registry engine: [Lycoming HIO-360 series](https://openairdocs.org/engine/lycoming-hio-360-series) (registry code 41524, reciprocating) (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 19780520010049A](https://openairdocs.org/incident/19780520010049A), May 20, 1978: Enstrm F28ENSTR/, Haugan, MT, Substantial damage. Lnd in confined area due MDT turb & illness.

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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