# NTSB SEA75DYA52: Enstrom F-28A1, N9077, Boise, ID, June 23, 1975

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 23, 1975
- Place: Boise, ID · BOISE, ID
- Location: 43.6135° N, 116.2035° W: Placed by OpenAirDocs: center of Boise, ID, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.6135&lon=-116.2035&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report October 9, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 150024
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA75DYA52
- Page: https://openairdocs.org/ntsb/SEA75DYA52

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2590  75/6/23    BOISE,ID            ENSTROM F-28A1      CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 42, 492
        TIME - 0830                    N9077               PX-  0  0  0  BUSINESS                  TOTAL HOURS, 141 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - BOISE MUNICIPAL
        DEPARTURE POINT             INTENDED DESTINATION
          WALLA WALLA,WA              BOISE,ID
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: FENCE,FENCEPOSTS                          IN FLIGHT: HOVERING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED CLEARANCE
           PERSONNEL - MISCELLANEOUS-PERSONNEL: GROUND SIGNALMAN
        FACTOR(S)
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT FACILITIES: RAMP FACILITIES
        REMARKS- 2FT HOVER IN PARKING AREA.FOLLOWING SIGNALS OF LINEMAN,BACKED INTO FENCE.
```

## Aircraft

- Registration: [N9077](https://openairdocs.org/aircraft/N9077), registered now, S/N 186, built 1974 (OpenAirDocs)
- Reported make and model: ENSTROM F-28A1
- Registry model: [Enstrom F-28A](https://openairdocs.org/model/enstrom-f-28a) (registry code 3300406) (OpenAirDocs)
- Registry engine: [Lycoming I0360 series](https://openairdocs.org/engine/lycoming-i0360-series) (registry code 41515, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Boise Municipal

## 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 19750623017559A](https://openairdocs.org/incident/19750623017559A), Jun 23, 1975: Enstrm F28A, Boise, ID, Substantial damage. 2FT hover in parking area. Following signals of lineman,backed into fence.

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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