# NTSB SEA7KDYE47: Blanik L-13, N93460, Issaquah, WA, June 8, 1975

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: June 8, 1975
- Place: Issaquah, WA · ISSAQUAH, WA
- Location: 47.5462° N, 122.0581° W: Placed by OpenAirDocs: center of Issaquah, WA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=47.5462&lon=-122.0581&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 1 uninjured
- Status: Completed, report October 3, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 149124
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA7KDYE47
- Page: https://openairdocs.org/ntsb/SEA7KDYE47

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2447   75/6/8    ISSAQUAH,WA         BLANIK L-13         CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 26, 199
        TIME - 1916                    N93460              PX-  0  1  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 19 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - SKYSPORT
        DEPARTURE POINT             INTENDED DESTINATION
          ISSAQUAH,WA                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: DITCHES                                   LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           PILOT IN COMMAND - FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC.
        FACTOR(S)
           PERSONNEL - MISCELLANEOUS-PERSONNEL: PILOT OF OTHER AIRCRAFT
           TERRAIN - ROUGH/UNEVEN
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- SPOILERS DEPLOYED.MISUNDERSTOOD SIGNAL FM TOW PLANE,RELEASED AT LOW ALTITUDE.
```

## Aircraft

- Registration: [N93460](https://openairdocs.org/deregistered/N93460-2017-05-15), registration cancelled 2017-05-15, S/N 025604, built 1973 (OpenAirDocs)
- Reported make and model: BLANIK L-13
- Registry model: [Let BLANIK L-13](https://openairdocs.org/model/let-blanik-l-13) (registry code 1360306) (OpenAirDocs)
- Registry engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000, none) (OpenAirDocs)
- Category: Glider
- Engines: none
- Damage: Substantial damage
- Airport: Skysport

## 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 19750608015389A](https://openairdocs.org/incident/19750608015389A), Jun 8, 1975: Let L13BLANIK, Issaquah, WA, Substantial damage. Spoilers deployed. Misunderstood signal fm tow plane,released at low altitude.

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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