# NTSB UNK64X1767: Cougar D1M, N6835D, Michigan, ND, May 14, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 14, 1964
- Place: Michigan, ND · MICHIGAN, ND
- Location: 48.0250° N, 98.1170° W: Placed by OpenAirDocs: center of Michigan, ND, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=48.0250&lon=-98.1170&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report October 28, 1964
- Report: Brief approved by the director
- NTSB case key (mKey): 184104
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X1767
- Page: https://openairdocs.org/ntsb/UNK64X1767

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1879  64/5/14    MICHIGAN N DAK      COUGAR D1M          CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 42, 2140
        TIME - 1030                    N6835D              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 98 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            UNK/NR INSTRUMENT RATED.
        NAME OF AIRPORT - WRIGHT FIELD
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: AIRPORT HAZARD                            LANDING: ROLL
        PROBABLE CAUSE(S)
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: POORLY MAINTAINED RUNWAY SURFACE
        REMARKS- VEHECLE RUTS ON RUNWAY
```

## Aircraft

- Registration: [N6835D](https://openairdocs.org/deregistered/N6835D-2014-11-13), registration cancelled 2014-11-13, S/N DC161C904F, built 1961 (OpenAirDocs)
- Reported make and model: COUGAR D1M
- Registry model: [Cougar D1-M](https://openairdocs.org/model/cougar-d1-m) (registry code 62501C1) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane, amateur-built
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Wright Field

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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