# NTSB UNK64X1926: Piper PA22, N4532Z, Arecibo, PR, May 23, 1964

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: May 23, 1964
- Place: Arecibo, PR · ARECIBO, PR
- Location: 18.4547° N, 66.7353° W: Placed by OpenAirDocs: center of Arecibo, PR, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=18.4547&lon=-66.7353&mi=10
- Phase of flight: [Standing](https://openairdocs.org/ntsb-phases/150) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 1 uninjured
- Status: Completed, report September 24, 1964
- Report: Brief approved by the director
- NTSB case key (mKey): 185038
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X1926
- Page: https://openairdocs.org/ntsb/UNK64X1926

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0359  64/5/23    ARECIBO P R         PIPER PA22          CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 28, 2100
        TIME - UNK/NR                  N4532Z              PX-  0  1  0  AIR TAXI-PASSG            TOTAL HOURS, 700 IN TYPE,
                                       DAMAGE-NONE         OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - ARECIBO AIRFIELD
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR ACCIDENT TO PERSON                       STATIC: IDLING ENGINE(S)
        PROBABLE CAUSE(S)
          PERSONNEL-INATTENTION OF PASSENGER TO PROPELLER.
        REMARKS- PASSENGER DEPLANED BEFORE PROP STOPPED ROTATING
```

## Aircraft

- Registration: [N4532Z](https://openairdocs.org/deregistered/N4532Z-1972-03-08), registration cancelled 1972-03-08, S/N 22-8037, built 1961 (OpenAirDocs)
- Reported make and model: PIPER PA22
- Registry model: [Piper PA-22-108](https://openairdocs.org/model/piper-pa-22-108) (registry code 7102204) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: No damage
- Airport: Arecibo Airfield

## Other investigations on N4532Z (1)

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.

- [NTSB MIA70F0165](https://openairdocs.org/ntsb/MIA70F0165), Sep 23, 1969: Piper PA-22 (N4532Z), Arecibo, PR, no 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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