# NTSB CHI67D0429: Piper PA-23, N3139P, Madison, WI, December 15, 1966

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: December 15, 1966
- Place: Madison, WI · MADISON, WI
- Location: 43.0731° N, 89.4012° W: Placed by OpenAirDocs: center of Madison, WI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.0731&lon=-89.4012&mi=10
- Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report April 18, 1967
- Report: Brief approved by the director
- NTSB case key (mKey): 119991
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI67D0429
- Page: https://openairdocs.org/ntsb/CHI67D0429

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4242  66/12/15   MADISON WIS         PIPER PA-23         CR-  0  0  2  INSTRUCTIONAL             ATP,FLIGHT INSTR., AGE
        TIME - 2030                    N3139P              PX-  0  0  0  DUAL                      32, 3237 TOTAL HOURS, 300
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - TRUAX FIELD
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: BUILDING(S)                               TAXI: OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - DIVERTED ATTENTION FROM OPERATION OF AIRCRAFT
           DUAL STUDENT - DIVERTED ATTENTION FROM OPERATION OF AIRCRAFT
           DUAL STUDENT - MISUNDERSTANDING OF ORDERS OR INSTRUCTIONS
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
        REMARKS- INST TOOK CTLS TO TAXI BY PRKD ACFT,THEN RETURNED CTLS TO STUDENT WHO DID NOT UNDERSTND OR RESPND.
```

## Aircraft

- Registration: [N3139P](https://openairdocs.org/deregistered/N3139P-2013-06-27), registration cancelled 2013-06-27, S/N 23-1065, built 1957 (OpenAirDocs)
- Reported make and model: PIPER PA-23
- Registry model: [Piper PA-23-150](https://openairdocs.org/model/piper-pa-23-150) (registry code 7102303) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Truax 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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