# NTSB UNK64X0167: Piper PA11, N4925M, Armonk, NY, January 5, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: January 5, 1964
- Place: Armonk, NY · ARMONK, NY
- Location: 41.1335° N, 73.7193° W: Placed by OpenAirDocs: center of Armonk, NY, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.1335&lon=-73.7193&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed
- Report: Brief approved by the director
- NTSB case key (mKey): 186097
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X0167
- Page: https://openairdocs.org/ntsb/UNK64X0167

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0054   64/1/5    ARMONK NY           PIPER PA11          CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1100                    N4925M              PX-  0  0  0  DUAL                      AGE 40, 3290 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            48 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           UNDERSHOOT                                               LANDING: FINAL APPROACH
           COLLIDED WITH: TREES                                     LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED SPEED AND ALTITUDE
```

## Aircraft

- Registration: [N4925M](https://openairdocs.org/deregistered/N4925M-1965-06-05), registration cancelled 1965-06-05, S/N 11-434 (OpenAirDocs)
- Reported make and model: PIPER PA11
- Registry model: [Piper PA-11](https://openairdocs.org/model/piper-pa-11) (registry code 7101102) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

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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