# NTSB OAK78DVD25: Blanik L13, N99861, Fremont, CA, April 2, 1978

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: April 2, 1978
- Place: Fremont, CA · FREMONT, CA
- Location: 37.5483° N, 121.9886° W: Placed by OpenAirDocs: center of Fremont, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.5483&lon=-121.9886&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed, report May 19, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 142732
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK78DVD25
- Page: https://openairdocs.org/ntsb/OAK78DVD25

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0652   78/4/2    FREMONT,CA          BLANIK L13          CR-  0  1  0  INSTRUCTIONAL             STUDENT, AGE 32, 10 TOTAL
        TIME - 1330                    N99861              PX-  0  0  0  TRAINING                  HOURS, ALL IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - SKYSAILING
        DEPARTURE POINT             INTENDED DESTINATION
          FREMONT,CA                  LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           UNDERSHOOT                                               LANDING: FINAL APPROACH
           COLLIDED WITH: FENCE,FENCEPOSTS                          LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED DISTANCE AND ALTITUDE
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
```

## Aircraft

- Registration: [N99861](https://openairdocs.org/deregistered/N99861-2012-11-27), registration cancelled 2012-11-27, S/N 026512 (OpenAirDocs)
- Reported make and model: BLANIK L13
- 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: Skysailing

## 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 19780402008139A](https://openairdocs.org/incident/19780402008139A), Apr 2, 1978: Let L13BLANIK, Fremont, CA, 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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