# NTSB SEA71AS020: Piper PA11, N4899M, Skykomish, WA, September 27, 1970

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: September 27, 1970
- Place: Skykomish, WA · SKYKOMISH, WA
- Location: 47.7099° N, 121.3573° W: Placed by OpenAirDocs: center of Skykomish, WA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=47.7099&lon=-121.3573&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal, 1 serious
- Status: Completed, report April 20, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 178572
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA71AS020
- Page: https://openairdocs.org/ntsb/SEA71AS020

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2764  70/9/27  NR.SKYKOMISH,WASH     PIPER PA11          CR-  1  0  0  NONCOMMERCIAL             PRIVATE, AGE 48, 1220
        TIME - 1500                    N4899M              PX-  0  1  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 23 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          KENMORE,WASH                WAPTUS LAKE,WASH
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: MUSH                                              TAKEOFF: OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        FACTOR(S)
           WEATHER - DOWNDRAFT,UPDRAFTS
           TERRAIN - HIGH OBSTRUCTIONS
           MISCELLANEOUS ACTS,CONDITIONS - AIRCRAFT CAME TO REST IN WATER
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      65
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          110                                                       17
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- T/O TOWARD BLIND CANYON,LTD TURN SPACE.REVERSED COURSE,LOST FLYING SPEED.PLT AND ACFT NOT RCVRD.
```

## Aircraft

- Registration: [N4899M](https://openairdocs.org/deregistered/N4899M-1972-02-03), registration cancelled 1972-02-03, S/N 11-420, built 1947 (OpenAirDocs)
- Reported make and model: PIPER PA11
- Registry model: [Piper PA-11](https://openairdocs.org/model/piper-pa-11) (registry code 7101102) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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