# NTSB CHI74FEM19: Cessna 150K, N408C, Freeport, MI, August 13, 1973

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: August 13, 1973
- Place: Freeport, MI · FREEPORT, MI
- Location: 42.7636° N, 85.3158° W: Placed by OpenAirDocs: center of Freeport, MI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.7636&lon=-85.3158&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed, report December 12, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 188848
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI74FEM19
- Page: https://openairdocs.org/ntsb/CHI74FEM19

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3328  73/8/13  NR.FREEPORT,MICH      CESSNA 150K         CR-  1  0  0  COMMERCIAL                COMMERCIAL, AGE 28, 1759
        TIME - 1130                    N408C               PX-  0  0  0  POWER/PIPELINE            TOTAL HOURS, 166 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          JACKSON,MICH                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: OTHER
           STALL                                                    IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: VALVE ASSEMBLIES
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        REMARKS- POWER LINE PATROL ROCKER ARM NR 4 CYL BKN.
```

## Aircraft

- Registration: [N408C](https://openairdocs.org/deregistered/N408C-1973-10-25), registration cancelled 1973-10-25, S/N A1500224 (OpenAirDocs)
- Reported make and model: CESSNA 150K
- Registry model: [Cessna A150K](https://openairdocs.org/model/cessna-a150k) (registry code 2071824) (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 19730813026789A](https://openairdocs.org/incident/19730813026789A), Aug 13, 1973: Cessna A150K, Freeport, MI, Destroyed. Power line patrol rocker arm nr 4 cyl bkn.

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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