# NTSB CHI79FEP53: Cessna 150, N7774F, Milwaukee, WI, July 6, 1979

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 6, 1979
- Place: Milwaukee, WI · MILWAUKEE, WI
- Location: 43.0389° N, 87.9065° W: Placed by OpenAirDocs: center of Milwaukee, WI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.0389&lon=-87.9065&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report November 7, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 134021
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI79FEP53
- Page: https://openairdocs.org/ntsb/CHI79FEP53

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2300   79/7/6    MILWAUKEE,WI        CESSNA 150          CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 33, 210
        TIME - 1737                    N7774F              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, ALL IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          WEST BEND,WI                MILWAUKEE,WI
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: PROPELLER                       IN FLIGHT: NORMAL CRUISE
           NOSE OVER/DOWN                                           LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL)
           POWERPLANT - PROPELLER AND ACCESSORIES: BLADES
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
        FACTOR(S)
           TERRAIN - WET,SOFT GROUND
        REMARKS- MCCAULEY PROP MODEL 1A100/MCM,S/N F2070,MISSING 5IN OF BLADE TIP.
```

## Aircraft

- Registration: [N7774F](https://openairdocs.org/aircraft/N7774F), registered now, S/N 15063874 (OpenAirDocs)
- Reported make and model: CESSNA 150
- Registry model: [Cessna 150F](https://openairdocs.org/model/cessna-150f) (registry code 2071814) (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 19790706024699A](https://openairdocs.org/incident/19790706024699A), Jul 6, 1979: Cessna 150F, Germantown, WI, Substantial damage. During emergency landing acft flipped inverted. Cause was prop blade failure.

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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