# NTSB CHI74DEM09: Cessna 180, N9287C, Boyne Mt, MI, July 13, 1973

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 13, 1973
- Place: Boyne Mt, MI · BOYNE MT, MI
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Completed, report August 14, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 189715
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI74DEM09
- Page: https://openairdocs.org/ntsb/CHI74DEM09

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1604  73/7/13    BOYNE MT,MICH       CESSNA 180          CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 45, 956
        TIME - 1630                    N9287C              PX-  0  0  3  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 540 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - BOYNE MOUNTAIN
        DEPARTURE POINT             INTENDED DESTINATION
          GRAND PRIX,MICH             BOYNE MT,MICH
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - EXERCISED POOR JUDGMENT
        FACTOR(S)
           WEATHER - SUDDEN WINDSHIFT
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: OTHER
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, BY PHONE
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  RELATIVE BEARING OF WIND
          NONE                                                     RIGHT CROSS WIND 068-112 DEGREES
        TEMPERATURE-F                                            WIND DIRECTION-DEGREES
           78                                                      260
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           20                                                      VFR
        TYPE OF FLIGHT PLAN
          NONE
        REMARKS- EDGE OF BITUMINOUS RUNWAY COLLAPSED.WIND GUSTING 35K.
```

## Aircraft

- Registration: N9287C (not matched to a registry record)
- Reported make and model: CESSNA 180
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Boyne Mountain

## 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 19730713020239A](https://openairdocs.org/incident/19730713020239A), Jul 13, 1973: Cessna 180, Boyne Mt, MI, Substantial damage. Edge of bituminous runway collapsed. Wind gusting 35K.

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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