# NTSB CHI71DDJ47: Stinson 108-1, N9155K, Milwaukee, WI, April 4, 1971

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 4, 1971
- 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: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report December 21, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 160996
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI71DDJ47
- Page: https://openairdocs.org/ntsb/CHI71DDJ47

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1248   71/4/4    MILWAUKEE,WIS       STINSON 108-1       CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 34, 120
        TIME - 1248                    N9155K              PX-  0  0  0  PRACTICE                  TOTAL HOURS, 60 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - MITCHELL FIELD
        DEPARTURE POINT             INTENDED DESTINATION
          MILWAUKEE,WIS               LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - DIVERTED ATTENTION FROM OPERATION OF AIRCRAFT
           PILOT IN COMMAND - FAILED TO MAINTAIN DIRECTIONAL CONTROL
        REMARKS- LEANED DOWN TO RETRACT FLAPS.
```

## Aircraft

- Registration: [N9155K](https://openairdocs.org/deregistered/N9155K-2013-09-26), registration cancelled 2013-09-26, S/N 1082155, built 1947 (OpenAirDocs)
- Reported make and model: STINSON 108-1
- Registry model: [Stinson 108-1](https://openairdocs.org/model/stinson-108-1) (registry code 9230404) (OpenAirDocs)
- Registry engine: [Franklin 6A4150 series](https://openairdocs.org/engine/franklin-6a4150-series) (registry code 27024, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Mitchell Field

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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