# NTSB CHI73FEP32: Beech B23, N9139T, Prentice, WI, November 15, 1972

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: November 15, 1972
- Place: Prentice, WI · PRENTICE, WI
- Location: 45.5416° N, 90.2951° W: Placed by OpenAirDocs: center of Prentice, WI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.5416&lon=-90.2951&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report December 19, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 168687
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI73FEP32
- Page: https://openairdocs.org/ntsb/CHI73FEP32

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0816  72/11/15   PRENTICE,WIS        BEECH B23           CR-  0  0  1  NONCOMMERCIAL             STUDENT, AGE 43, 110
        TIME - 1040                    N9139T              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 94 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - PRENTICE
        DEPARTURE POINT             INTENDED DESTINATION
          PRENTICE,WIS                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           COLLIDED WITH: TREES                                     LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           MISCELLANEOUS - FOREIGN MATERIAL AFFECTING NORMAL OPERATIONS
           MISCELLANEOUS ACTS,CONDITIONS - ICE INDUCTION
           TERRAIN - HIGH OBSTRUCTIONS
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- SEVERAL LARGE PIECES OF ICE FOUND JAMMED IN AIR INTAKE SYSTEM BETWEEN AIR FILTER AND CARB.
```

## Aircraft

- Registration: [N9139T](https://openairdocs.org/aircraft/N9139T), registered now, S/N M-1155, built 1968 (OpenAirDocs)
- Reported make and model: BEECH B23
- Registry model: [Beech B23](https://openairdocs.org/model/beech-b23) (registry code 1151240) (OpenAirDocs)
- Registry engine: [Lycoming O&VO-360 series](https://openairdocs.org/engine/lycoming-o-vo-360-series) (registry code 41514, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Prentice

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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