# NTSB CHI75FEM02: Enstrom F-28A, N9229, Walker, MI, July 26, 1974

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 26, 1974
- Place: Walker, MI · WALKER, MI
- Location: 42.9965° N, 85.7563° W: Placed by OpenAirDocs: center of Walker, MI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.9965&lon=-85.7563&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report September 13, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 134511
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI75FEM02
- Page: https://openairdocs.org/ntsb/CHI75FEM02

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2328  74/7/26    WALKER,MICH         ENSTROM F-28A       CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 27, 2227
        TIME - 0850                    N9229               PX-  0  0  1  MAPPING/PHOTO             TOTAL HOURS, 3 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          GRAND RAPIDS,MICH           LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED DISTANCE,SPEED,ALTITUDE OR CLEARANCE
           PILOT IN COMMAND - LACK OF FAMILIARITY WITH AIRCRAFT
           PILOT IN COMMAND - FAILED TO ABORT TAKEOFF
           PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
        FACTOR(S)
           TERRAIN - ROUGH/UNEVEN
           TERRAIN - HIGH OBSTRUCTIONS
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- ATMTD HI-PERFORMANCE TKOF OVR WIRES.UN TO MNTN RPM,SETTLED INTO MARSH,NOSED OVER.
```

## Aircraft

- Registration: N9229 (not matched to a registry record)
- Reported make and model: ENSTROM F-28A
- 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 19740726025089A](https://openairdocs.org/incident/19740726025089A), Jul 26, 1974: Enstrm F28A, Walker, MI, Substantial damage. Atmtd hi-performance tkof ovr wires. Un to mntn RPM,settled into marsh,nosed over.

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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