# NTSB MKC76AK046: Cessna 336, N1787Z, Mcgregor, IA, March 11, 1976

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: March 11, 1976
- Place: Mcgregor, IA · MCGREGOR, IA
- Location: 43.0283° N, 91.1857° W: Placed by OpenAirDocs: center of McGregor, IA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.0283&lon=-91.1857&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 4 fatal
- Status: Completed, report August 6, 1976
- Report: Brief approved by the director
- NTSB case key (mKey): 153672
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC76AK046
- Page: https://openairdocs.org/ntsb/MKC76AK046

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1960  76/3/11    MCGREGOR,IA         CESSNA 336          CR-  2  0  0  NONCOMMERCIAL             COMMERCIAL, AGE 40, 1266
        TIME - 1505                    N1787Z              PX-  2  0  0  CORP/EXEC                 TOTAL HOURS, 57 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          GUTTENBURG,IA               MINNEAPOLIS,MN
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: PROPELLER                       IN FLIGHT: NORMAL CRUISE
           STALL: SPIN                                              IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           POWERPLANT - PROPELLER AND ACCESSORIES: HUBS
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
```

## Aircraft

- Registration: [N1787Z](https://openairdocs.org/deregistered/N1787Z-1976-09-07), registration cancelled 1976-09-07, S/N 336-0087, built 1963 (OpenAirDocs)
- Reported make and model: CESSNA 336
- Registry model: [Cessna 336](https://openairdocs.org/model/cessna-336) (registry code 2075602) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed

## 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 19760311020219A](https://openairdocs.org/incident/19760311020219A), Mar 11, 1976: Cessna 336, Mcgregor, IA, Destroyed, 2 fatal

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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