# NTSB CHI75AC080: Cessna 172M, N4612Q, Grosse Pointe, MI, April 30, 1975

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: April 30, 1975
- Place: Grosse Pointe, MI · GROSSE POINTE, MI
- Location: 42.3839° N, 82.9039° W: Placed by OpenAirDocs: center of Grosse Pointe, MI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.3839&lon=-82.9039&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 3 fatal, 1 serious
- Status: Completed, report July 11, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 149351
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI75AC080
- Page: https://openairdocs.org/ntsb/CHI75AC080

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1660  75/4/30  NR.GROSSE POINTE,MI   CESSNA 172M         CR-  1  0  0  NONCOMMERCIAL             PRIVATE, AGE 32, 184
        TIME - 1930                    N4612Q              PX-  2  1  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 50 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          DETROIT,MI                  LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: SPIN                                              IN FLIGHT: ACROBATICS
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        FACTOR(S)
           PILOT IN COMMAND - PHYSICAL IMPAIRMENT
           MISCELLANEOUS ACTS,CONDITIONS - AIRCRAFT CAME TO REST IN WATER
        REMARKS- ALMOST VERT CLMB AFTR DIVING AT SHIP.INSUFF ALT AFTR RCVRY FRM SPIN,HIT WATER.TOX EXAM-COCAINE.
```

## Aircraft

- Registration: [N4612Q](https://openairdocs.org/deregistered/N4612Q-1976-05-21), registration cancelled 1976-05-21, S/N 17261726, built 1973 (OpenAirDocs)
- Reported make and model: CESSNA 172M
- Registry model: [Cessna 172M](https://openairdocs.org/model/cessna-172m) (registry code 2072418) (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 19750430018199A](https://openairdocs.org/incident/19750430018199A), Apr 30, 1975: Cessna 172M, Grosse Pointe, MI, Substantial damage, 2 fatal. Almost vert clmb aftr diving at ship. Insuff alt aftr rcvry frm spin,hit water. Tox exam-cocaine.

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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