# NTSB SEA66F0267: Piper PA-23, N4628P, Portland, OR, March 23, 1966

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: March 23, 1966
- Place: Portland, OR · PORTLAND, OR
- Location: 45.5235° N, 122.6762° W: Placed by OpenAirDocs: center of Portland, OR, within about 7 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.5235&lon=-122.6762&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report July 8, 1966
- Report: Brief approved by the director
- NTSB case key (mKey): 172744
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA66F0267
- Page: https://openairdocs.org/ntsb/SEA66F0267

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1196  66/3/23    PORTLAND OREG       PIPER PA-23         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 52, 1423
        TIME - 2042                    N4628P              PX-  0  0  1  BUSINESS                  TOTAL HOURS, 1200 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, INSTRUMENT RATED.
        NAME OF AIRPORT - PORTLAND INTNL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           WHEELS-UP                                                LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO EXTEND LANDING GEAR
        REMARKS- NIGHT OPERATION.
```

## Aircraft

- Registration: [N4628P](https://openairdocs.org/deregistered/N4628P-2012-12-11), registration cancelled 2012-12-11, S/N 27-146, built 1960 (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 0-540 series](https://openairdocs.org/engine/lycoming-0-540-series) (registry code 41532, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Portland Intnl

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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