# NTSB OAK72FVD52: Blanik L-13, N3464, Fremont, CA, June 12, 1972

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: June 12, 1972
- 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: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 1 minor
- Status: Completed, report September 27, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 166711
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK72FVD52
- Page: https://openairdocs.org/ntsb/OAK72FVD52

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0296  72/6/12    FREMONT,CALIF       BLANIK L-13         CR-  0  1  0  NONCOMMERCIAL             COMMERCIAL, AGE 33, 4203
        TIME - 1030                    N3464               PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 160 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - SKY SAILING
        DEPARTURE POINT             INTENDED DESTINATION
          FREMONT,CALIF               ROSAMOND,CALIF
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL                                                    TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        FACTOR(S)
           PILOT IN COMMAND - SPONTANEOUS-IMPROPER ACTION
        REMARKS- PLT INADVERTENTY RELEASED FROM TOW ACFT. STALLED FROM STEEP NOSE HI R TURN.
```

## Aircraft

- Registration: [N3464](https://openairdocs.org/deregistered/N3464-1973-05-29), registration cancelled 1973-05-29, S/N 173924 (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)
- Category: Glider, amateur-built
- Engines: none
- Damage: Destroyed
- Airport: Sky Sailing

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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