# NTSB CHI77FEP43: Maule M4220C, N7622E, Hayward, WI, June 25, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 25, 1977
- Place: Hayward, WI · HAYWARD, WI
- Location: 46.0066° N, 91.4897° W: Placed by OpenAirDocs: center of Hayward, WI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=46.0066&lon=-91.4897&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report September 27, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 147129
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI77FEP43
- Page: https://openairdocs.org/ntsb/CHI77FEP43

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1895  77/6/25    HAYWARD,WI          MAULE M4220C        CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 62, 156
        TIME - 1852                    N7622E              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, ALL IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - HAYWARD MUNI
        DEPARTURE POINT             INTENDED DESTINATION
          WAUSAU,WI                   HAYWARD,WI
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR COLLAPSED                                           LANDING: ROLL
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
        PROBABLE CAUSE(S)
           AIRFRAME - LANDING GEAR: MAIN GEAR-SHOCK ABSORBING ASSY,STRUTS,ATTACHMENTS,ETC.
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
```

## Aircraft

- Registration: N7622E (not matched to a registry record)
- Reported make and model: MAULE M4220C
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Hayward Muni

## 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 19770625022079A](https://openairdocs.org/incident/19770625022079A), Jun 25, 1977: Maule M4220C, Hayward, WI, 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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