# NTSB CHI81DEM34: Cessna 172K, N78424, Mackinac Is, MI, July 24, 1981

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 24, 1981
- Place: Mackinac Is, MI · MACKINAC IS, MI
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Completed, report September 18, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 125016
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI81DEM34
- Page: https://openairdocs.org/ntsb/CHI81DEM34

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1662  81/7/24    MACKINAC IS,MI      CESSNA 172K         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 54, 816
        TIME - 1310                    N78424              PX-  0  0  3  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 311 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - MACKINAC IS
        DEPARTURE POINT             INTENDED DESTINATION
          MACKINAC IS,MI              LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
           GROUND-WATER LOOP-SWERVE                                 LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER LEVEL OFF
           PILOT IN COMMAND - IMPROPER RECOVERY FROM BOUNCED LANDING
        FACTOR(S)
           WEATHER - UNFAVORABLE WIND CONDITIONS
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: SOFT SHOULDERS
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        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                                                     UNKNOWN/NOT REPORTED
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           10                                                      VFR
        TYPE OF FLIGHT PLAN
          NONE
        REMARKS- WND VARIABLE SOUTH TO EAST & GSTG 15KTS.
```

## Aircraft

- Registration: [N78424](https://openairdocs.org/aircraft/N78424), registered now, S/N 17257611, built 1968 (OpenAirDocs)
- Reported make and model: CESSNA 172K
- Registry model: [Cessna 172K](https://openairdocs.org/model/cessna-172k) (registry code 2072430) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Mackinac Is

## 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 19810724044849A](https://openairdocs.org/incident/19810724044849A), Jul 24, 1981: Cessna 172K, Mackinac Island, MI, Substantial damage. Turbulence on landing. Bounced, came down sideways, slid off runway. Collapsed nose gear and overturned.

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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