# NTSB SEA71AS018: Piper PA-30, N8125Y, Seattle, WA, September 22, 1970

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: September 22, 1970
- Place: Seattle, WA · SEATTLE, WA
- Location: 47.6062° N, 122.3321° W: Placed by OpenAirDocs: center of Seattle, WA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=47.6062&lon=-122.3321&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal
- Status: Completed, report January 15, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 166396
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA71AS018
- Page: https://openairdocs.org/ntsb/SEA71AS018

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1659  70/9/22  NR.SEATTLE,WASH       PIPER PA-30         CR-  2  0  0  INSTRUCTIONAL             ATP,FLIGHT INSTR., AGE
        TIME - 1154                    N8125Y              PX-  0  0  0  DUAL                      28, 2254 TOTAL HOURS, 72
                                       DAMAGE-DESTROYED    OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         SEATTLE,WASH                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: SPIN                                              IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           DUAL STUDENT - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
        FACTOR(S)
           WEATHER - TURBULENCE IN FLIGHT,CLEAR AIR
           MISCELLANEOUS ACTS,CONDITIONS - AIRCRAFT CAME TO REST IN WATER
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, BY PHONE
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        MISSING AIRCRAFT - LATER RECOVERED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                  12000
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      60
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          200                                                       20
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- FLT PHASE UNKN. ALT OF SPIN ENTRY CONSIDERED SUFFICIENT FOR RECOVERY. RECOVERY DATE 9/26/70.
```

## Aircraft

- Registration: [N8125Y](https://openairdocs.org/deregistered/N8125Y-1970-11-13), registration cancelled 1970-11-13, S/N 30-1237 (OpenAirDocs)
- Reported make and model: PIPER PA-30
- Registry model: [Piper PA-30](https://openairdocs.org/model/piper-pa-30) (registry code 7103002) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed

## Other investigations on N8125Y (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 SEA70D0073](https://openairdocs.org/ntsb/SEA70D0073), Jul 28, 1969: Piper PA-30 (N8125Y), Portland, OR, substantial 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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