# NTSB UNK64X3216: Piper PA24, N5506P, Astoria, OR, August 4, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 4, 1964
- Place: Astoria, OR · ASTORIA, OR
- Location: 46.1875° N, 123.8148° W: Placed by OpenAirDocs: center of Astoria, OR, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=46.1875&lon=-123.8148&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Completed, report October 22, 1964
- Report: Brief approved by the director
- NTSB case key (mKey): 182312
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X3216
- Page: https://openairdocs.org/ntsb/UNK64X3216

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2350   64/8/4    ASTORIA OREG        PIPER PA24          CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 32, 240
        TIME - 1215                    N5506P              PX-  0  0  3  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 40 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - CLATSOP COUNTY
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           WHEELS-UP                                                LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO ASSURE THE GEAR WAS DOWN AND LOCKED
        FACTOR(S)
           AIRFRAME - LANDING GEAR: LANDING GEAR WARNING AND INDICATING COMPONENTS
           MISCELLANEOUS ACTS,CONDITIONS - CIRCUIT BREAKER POPPED
        REMARKS- GEAR WARNING HORN INOPERATIVE
```

## Aircraft

- Registration: [N5506P](https://openairdocs.org/deregistered/N5506P-2018-01-24), registration cancelled 2018-01-24, S/N 24-569, built 1959 (OpenAirDocs)
- Reported make and model: PIPER PA24
- Registry model: [Piper PA-24-250](https://openairdocs.org/model/piper-pa-24-250) (registry code 7102404) (OpenAirDocs)
- Registry engine: [Lycoming 0-540 series](https://openairdocs.org/engine/lycoming-0-540-series) (registry code 41532, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Clatsop County

## Other investigations on N5506P (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 ATL91LA007](https://openairdocs.org/ntsb/ATL91LA007), Oct 21, 1990: Piper PA-24-250 (N5506P), Savannah, GA, substantial damage. Probable cause: TOTAL FAILURE OF A CONNECTING ROD CAP BOLT WHICH RESULTED IN A TOTAL LOSS OF POWER.

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.