# Fatal NTSB investigations: Let BLANIK L-13

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

## Latest cases

- [NTSB SEA96FA186](https://openairdocs.org/ntsb/SEA96FA186.md): Let L-13 · Shelton, WA · Accident · 1 fatal · Field investigation · Final report · Aug 11, 1996 · N90865 · Substantial damage
  > failure of the operator to provide its pilots with information essential for an accurate determination of the glider's weight and balance, the resultant operation of the glider with a center-or-gravity that exceeded the aft limit, and the pilot's inadvertent…
- [NTSB DEN89LA210](https://openairdocs.org/ntsb/DEN89LA210.md): Let L-13 · Buena Vista, CO · Accident · 1 fatal · Limited investigation · Final report · Sep 16, 1989 · N3458 · Substantial damage
  > A premature release of the glider tow line by the glider pilot and his failure to maintain sufficient airspeed, while maneuvering back toward the runway, which resulted in an inadvertent stall.
- [NTSB LAX89LA027](https://openairdocs.org/ntsb/LAX89LA027.md): Let L-13 · Marana, CA · Accident · 1 fatal · Limited investigation · Final report · Oct 29, 1988 · N90848 · Substantial damage
  > The pilot reported that shortly after liftoff from runway 26 the control stick became difficult to move. He decided to continue the air tow and release at 200 feet AGL after release, the pilot turned the glider to return to the runway to land. He was still…
- [NTSB DEN84FA161](https://openairdocs.org/ntsb/DEN84FA161.md): Let L-13 · Edgewood, NM · Accident · 1 fatal · Field investigation · Final report · May 26, 1984 · N48032 · Destroyed
  > Witnesses reported that the acft appeared to be too high, too fast, and in a crab as it approached the rwy. Over the rwy the glider was observed to roll into a right turn as the nose came up. Shortly thereafter the right wing struck 3 parked acft and collided…
- [NTSB FTW82FQA18](https://openairdocs.org/ntsb/FTW82FQA18.md): Blanik L-13 · Los Lunas, NM · Accident · 1 fatal · Final report · May 8, 1982 · N48032 · Substantial damage
  > During landing the left wing struck a bystander who wandered onto the edge of the asphalt overrun taking photographs of the landing. There is a caution sign posted on the north access road of the runway.
- [NTSB DEN81FA053](https://openairdocs.org/ntsb/DEN81FA053.md): Let Blanik · Aspen, CO · Accident · 2 fatal · Closed · Jul 26, 1981 · N38928 · Destroyed
- [NTSB MIA78FA008](https://openairdocs.org/ntsb/MIA78FA008.md): Let-Np-K L-13 · Pensacola, FL · Accident · 2 fatal · Closed · Oct 27, 1977 · N779 · Destroyed
- [NTSB DEN7LAD008](https://openairdocs.org/ntsb/DEN7LAD008.md): Blanik L-13 · Aspen, CO · Accident · 2 fatal · Closed · Aug 9, 1975 · N9915 · Destroyed

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE c."highestInjuryLevel" = 'Fatal'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('1360306'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?fatal=1&model=1360306

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.