# NTSB NYC71FHA36: Piper PA-23, N5603Y, Montgomeryvile, PA, March 9, 1971

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: March 9, 1971
- Place: Montgomeryvile, PA · MONTGOMERYVILE, PA
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report December 16, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 160606
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC71FHA36
- Page: https://openairdocs.org/ntsb/NYC71FHA36

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1015   71/3/9    MONTGOMERYVILE,PA   PIPER PA-23         CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, FL.INSTR.,
        TIME - 1350                    N5603Y              PX-  0  0  0  CORP/EXEC                 AGE 31, 1728 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            46 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - MONTGOMERYVILLE
        DEPARTURE POINT             INTENDED DESTINATION
          PHILADELPHIA                MONTGOMERYVILE,PA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR RETRACTED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO ASSURE THE GEAR WAS DOWN AND LOCKED
        REMARKS- LNDG GEAR SELECTOR FOUND IN DOWN POSITION.L AND R LNDG GEAR FIXED ATTACH POINTS DISTORTED.
```

## Aircraft

- Registration: [N5603Y](https://openairdocs.org/deregistered/N5603Y-2019-05-06), registration cancelled 2019-05-06, S/N 27-2711, built 1964 (OpenAirDocs)
- Reported make and model: PIPER PA-23
- Registry model: [Piper PA-23-250](https://openairdocs.org/model/piper-pa-23-250) (registry code 7102308) (OpenAirDocs)
- Registry engine: [Lycoming TI0-540 series](https://openairdocs.org/engine/lycoming-ti0-540-series) (registry code 41533, turbo-prop) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Montgomeryville

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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