# NTSB CHI77FEM03: Cessna 172, N35672, Watersmeet, MI, October 1, 1976

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: October 1, 1976
- Place: Watersmeet, MI · WATERSMEET, MI
- Location: 46.2953° N, 89.2061° W: Placed by OpenAirDocs: center of Watersmeet, MI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=46.2953&lon=-89.2061&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report January 11, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 155647
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI77FEM03
- Page: https://openairdocs.org/ntsb/CHI77FEM03

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3341   76/10/1   WATERSMEET,MI       CESSNA 172          CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 32, 58 TOTAL
        TIME - 1045                    N35672              PX-  0  0  2  PLEASURE/PERSONAL TRANSP  HOURS, ALL IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          ASHLAND,WI                  MINOCQUA,WI                  LAND OF LAKES,WI
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           COLLIDED WITH: CROP                                      LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           POWERPLANT - MISCELLANEOUS: DETONATION
           TERRAIN - HIGH OBSTRUCTIONS
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- NR 1 CYLINDER DAMAGED BY DETONATION.SPARKPLUG GAP PINGED SHUT.
```

## Aircraft

- Registration: [N35672](https://openairdocs.org/aircraft/N35672), registered now, S/N 17256898, built 1968 (OpenAirDocs)
- Reported make and model: CESSNA 172
- Registry model: [Cessna 172I](https://openairdocs.org/model/cessna-172i) (registry code 2072426) (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

## 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 19761001033079A](https://openairdocs.org/incident/19761001033079A), Oct 1, 1976: Cessna 172I, Watersmeet, MI, Substantial damage. Nr 1 cylinder damaged by detonation. Sparkplug gap pinged shut.

## Other investigations on N35672 (2)

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.

- [NTSB MKC82FA011](https://openairdocs.org/ntsb/MKC82FA011), Dec 11, 1981: Cessna 172 (N35672), Kansas City, MO, substantial damage
- [NTSB CHI70D0006](https://openairdocs.org/ntsb/CHI70D0006), May 17, 1969: Cessna 172 (N35672), Shelby, IN, 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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