# NTSB UNK65X1132: Piper PA23, N3431P, Abbotsford, WI, December 25, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: December 25, 1964
- Place: Abbotsford, WI · ABBOTSFORD, WI
- Location: 44.9435° N, 90.3173° W: Placed by OpenAirDocs: center of Abbotsford, WI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=44.9435&lon=-90.3173&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report January 28, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 180375
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK65X1132
- Page: https://openairdocs.org/ntsb/UNK65X1132

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3798  64/12/25   ABBOTSFORD WIS      PIPER PA23          CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 48, 2300
        TIME - 1530                    N3431P              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 1500 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - WEPFER
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - CONTINUED VFR FLIGHT INTO ADVERSE WEATHER CONDITIONS
           WEATHER - ICING CONDITIONS-INCLUDES SLEET,FREEZING RAIN,ETC.
           MISCELLANEOUS ACTS,CONDITIONS - ICE-WINDSHIELD
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                  900
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          4 MILES OR LESS                                          FREEZING DRIZZLE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  RELATIVE BEARING OF WIND
          UNKNOWN/NOT REPORTED                                     LEFT QUARTERING HEAD WIND 293-337 DEGREES
        TEMPERATURE-F                                            WIND DIRECTION-DEGREES
           20                                                      345
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           10                                                      IFR
        TYPE OF FLIGHT PLAN
          NONE
```

## Aircraft

- Registration: [N3431P](https://openairdocs.org/deregistered/N3431P-2007-10-02), registration cancelled 2007-10-02, S/N 23-1398, built 1958 (OpenAirDocs)
- Reported make and model: PIPER PA23
- Registry model: [Piper PA-23-160](https://openairdocs.org/model/piper-pa-23-160) (registry code 7102304) (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: Wepfer

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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