# NTSB SEA75DYG43: Piper PA-25, N4544Y, St John, WA, May 17, 1975

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: May 17, 1975
- Place: St John, WA · ST JOHN, WA
- Location: 47.0915° N, 117.5887° W: Placed by OpenAirDocs: center of St. John, WA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=47.0915&lon=-117.5887&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report September 17, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 134597
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA75DYG43
- Page: https://openairdocs.org/ntsb/SEA75DYG43

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2326  75/5/17    ST JOHN,WA          PIPER PA-25         CR-  0  0  1  MISCELLANEOUS             PRIVATE, AGE 23, 210
        TIME - 1300                    N4544Y              PX-  0  0  0  TEST                      TOTAL HOURS, 2 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          ST JOHN,WA                  LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           STALL: MUSH                                              IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE CONTROLS: THROTTLE-POWER LEVER ASSEMBLIES
           MISCELLANEOUS ACTS,CONDITIONS - DISCONNECTED
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        FACTOR(S)
           PILOT IN COMMAND - LACK OF FAMILIARITY WITH AIRCRAFT
           MISCELLANEOUS ACTS,CONDITIONS - LOAD NOT JETTISONED
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        REMARKS- THROTTLE LINKAGE CAME LOOSE.
```

## Aircraft

- Registration: [N4544Y](https://openairdocs.org/deregistered/N4544Y-1999-09-20), registration cancelled 1999-09-20, S/N 25-4196 (OpenAirDocs)
- Reported make and model: PIPER PA-25
- Registry model: [Piper PA-25-235](https://openairdocs.org/model/piper-pa-25-235) (registry code 7102504) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19750517014129A](https://openairdocs.org/incident/19750517014129A), May 17, 1975: Piper PA25235, St John, WA, Substantial damage. Throttle linkage came loose.

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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