# NTSB UNK64X2420: Piper PA22, N2533P, Apollo, PA, June 21, 1964

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: June 21, 1964
- Place: Apollo, PA · APOLLO, PA
- Location: 40.5850° N, 79.5647° W: Placed by OpenAirDocs: center of Apollo, PA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.5850&lon=-79.5647&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 2 minor, 1 uninjured
- Status: Completed, report October 5, 1964
- Report: Brief approved by the director
- NTSB case key (mKey): 183466
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X2420
- Page: https://openairdocs.org/ntsb/UNK64X2420

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1765  64/6/21    APOLLO PA           PIPER PA22          CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 37, 300
        TIME - 1215                    N2533P              PX-  0  0  2  BUSINESS                  TOTAL HOURS, 52 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - YOCKEY
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER LEVEL OFF
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
```

## Aircraft

- Registration: [N2533P](https://openairdocs.org/deregistered/N2533P-2012-08-21), registration cancelled 2012-08-21, S/N 22-2896, built 1955 (OpenAirDocs)
- Reported make and model: PIPER PA22
- Registry model: [Piper PA-22-150](https://openairdocs.org/model/piper-pa-22-150) (registry code 7102210) (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: Yockey

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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