# NTSB CHI75FEP60: Cessna 150L, N1254Q, Milwaukee, WI, May 31, 1975

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 31, 1975
- 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: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report July 15, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 148970
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI75FEP60
- Page: https://openairdocs.org/ntsb/CHI75FEP60

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1251  75/5/31    MILWAUKEE,WI        CESSNA 150L         CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1050                    N1254Q              PX-  0  0  0  DUAL                      AGE 47, 1386 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            756 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - TIMMERMAN FIELD
        DEPARTURE POINT             INTENDED DESTINATION
          MILWAUKEE,WI                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           POWERPLANT - ENGINE STRUCTURE: PISTON,PISTON RINGS
           POWERPLANT - ENGINE STRUCTURE: VALVE ASSEMBLIES
           MISCELLANEOUS ACTS,CONDITIONS - LEAK/LEAKAGE
           TERRAIN - WET,SOFT GROUND
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERHEATED
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT.
        REMARKS- NR 1,2 AND 3 CYLS LEAKING PAST RINGS AND VALVES.EX VALVES DISCOLORED AND PITTED.
```

## Aircraft

- Registration: [N1254Q](https://openairdocs.org/aircraft/N1254Q), registered now, S/N 15072554, built 1971 (OpenAirDocs)
- Reported make and model: CESSNA 150L
- Registry model: [Cessna 150L](https://openairdocs.org/model/cessna-150l) (registry code 2071826) (OpenAirDocs)
- Registry engine: [Continental 0-200 series](https://openairdocs.org/engine/continental-0-200-series) (registry code 17020, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Timmerman Field

## 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 19750531015319A](https://openairdocs.org/incident/19750531015319A), May 31, 1975: Cessna 150L, Milwaukee, WI, Substantial damage. Nr 1,2 and 3 cyls leaking past rings and valves. Ex valves discolored and pitted.

## Other investigations on N1254Q (1)

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 FTW00LA087](https://openairdocs.org/ntsb/FTW00LA087), Feb 26, 2000: Cessna 150L (N1254Q), Rush Springs, OK, substantial damage. Probable cause: The pilot's failure to maintain control of the aircraft during landing roll. Factors were the pilot's diverted attention to raising the flaps and the high wind conditions.

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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