# NTSB MKC78FER44: Aero Comdr 100, N4088X, E Grand Forks, MN, May 18, 1978

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 18, 1978
- Place: E Grand Forks, MN · E GRAND FORKS, MN
- Location: 47.9286° N, 97.0138° W: Placed by OpenAirDocs: center of East Grand Forks, MN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=47.9286&lon=-97.0138&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report September 22, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 142071
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC78FER44
- Page: https://openairdocs.org/ntsb/MKC78FER44

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1977  78/5/18    E GRAND FORKS,MN    AERO COMDR 100      CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 42, 420
        TIME - 1630                    N4088X              PX-  0  0  0  BUSINESS                  TOTAL HOURS, 3 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          GRAND FORKS,ND              FOSSTON,MN
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: PROPELLER                       IN FLIGHT: NORMAL CRUISE
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           POWERPLANT - PROPELLER AND ACCESSORIES: SPINNERS,DOMES
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        FACTOR(S)
           TERRAIN - WET,SOFT GROUND
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
                                  SUSPECTED MECHANICAL DISCREPANCY
                                  PROP/ENGINE VIBRATION
        REMARKS- PROP SPINNER BACK PLATE, MCCAULEY P/N63717 FAILED.
```

## Aircraft

- Registration: N4088X (not matched to a registry record)
- Reported make and model: AERO COMDR 100
- 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 19780518021139A](https://openairdocs.org/incident/19780518021139A), May 18, 1978: Slinds 100180, E Grand Forks, MN, Substantial damage. Prop spinner back plate, mccauley P/N63717 failed.

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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