# NTSB SEA72DYC05: Piper J3C-65, N33551, Beaverton, OR, July 5, 1971

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 5, 1971
- Place: Beaverton, OR · BEAVERTON, OR
- Location: 45.4781° N, 122.8171° W: Placed by OpenAirDocs: center of Beaverton, OR, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.4781&lon=-122.8171&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report March 10, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 163018
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA72DYC05
- Page: https://openairdocs.org/ntsb/SEA72DYC05

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2691   71/7/5    BEAVERTON,OREG      PIPER J3C-65        CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 0815                    N33551              PX-  0  0  0  DUAL                      AGE 33, 315 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            25 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - STARKS
        DEPARTURE POINT             INTENDED DESTINATION
          BEAVERTON,OREG              LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 TAKEOFF: RUN
           NOSE OVER/DOWN                                           TAKEOFF: RUN
        PROBABLE CAUSE(S)
           DUAL STUDENT - FAILED TO MAINTAIN DIRECTIONAL CONTROL
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
```

## Aircraft

- Registration: [N33551](https://openairdocs.org/aircraft/N33551), registered now, S/N 13989, built 1945 (OpenAirDocs)
- Reported make and model: PIPER J3C-65
- Registry model: [Piper J3C-65](https://openairdocs.org/model/piper-j3c-65) (registry code 7100510) (OpenAirDocs)
- Registry engine: [Continental C85 series](https://openairdocs.org/engine/continental-c85-series) (registry code 17008, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Starks

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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