# NTSB CHI77FEC44: Wallis 3, N65022, Plymouth, MI, September 11, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 11, 1977
- Place: Plymouth, MI · PLYMOUTH, MI
- Location: 42.3712° N, 83.4676° W: Placed by OpenAirDocs: center of Plymouth, MI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.3712&lon=-83.4676&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report October 31, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 145242
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI77FEC44
- Page: https://openairdocs.org/ntsb/CHI77FEC44

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2825  77/9/11    PLYMOUTH,MI         WALLIS 3            CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 48, 556
        TIME - 0950                    N65022              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 26 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          PLYMOUTH,MI                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: PROPELLER                       TAKEOFF: INITIAL CLIMB
           COLLIDED WITH: OBJECT                                    LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - PROPELLER AND ACCESSORIES: PLANETARY GEAR
           PERSONNEL - PRODUCTION-DESIGN-PERSONNEL: POOR/INADEQUATE DESIGN
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- GEAR RETAINING PIN SLIPPED OUT OF POSITION.
```

## Aircraft

- Registration: [N65022](https://openairdocs.org/deregistered/N65022-2013-06-12), registration cancelled 2013-06-12, S/N 1, built 1977 (OpenAirDocs)
- Reported make and model: WALLIS 3
- Registry model: [Wallis MODEL-3](https://openairdocs.org/model/wallis-model-3) (registry code 0561350) (OpenAirDocs)
- Registry engine: [Continental W670 series](https://openairdocs.org/engine/continental-w670-series) (registry code 17018, reciprocating) (OpenAirDocs)
- Category: Airplane
- 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 19770911026589A](https://openairdocs.org/incident/19770911026589A), Sep 11, 1977: Amtr 0561350, Plymouth, MI, Substantial damage. Gear retaining pin slipped out of position.

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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