# NTSB investigations: Let BLANIK L-13, MT

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 SEA02LA140](https://openairdocs.org/ntsb/SEA02LA140.md): Blanik L-13 · Belgrade, MT · Accident · Minor injuries · Limited investigation · Final report · Jul 31, 2002 · N70741 · Substantial damage
  > The glider pilot's improper in-flight planning decision and his failure to attain the proper touchdown point. Contributing to the accident were the inadvertent activation of the speed brakes, the pilot's failure to maintain altitude, the high vegetation and…
- [NTSB SEA99LA087](https://openairdocs.org/ntsb/SEA99LA087.md): Let L-13 · Belgrade, MT · Accident · No injuries · Limited investigation · Final report · Jun 17, 1999 · N70741 · Substantial damage
  > The pilot in command's failure to maintain clearance from a parked airplane during his attempt to avoid a person on the runway.
- [NTSB SEA97LA194](https://openairdocs.org/ntsb/SEA97LA194.md): Let Blanik L-13 · Hamilton, MT · Accident · No injuries · Limited investigation · Final report · Aug 19, 1997 · N52AS · Substantial damage
  > The pilot's excessive speed taxispeed and failure to maintain wing clearance from a taxiway sign.
- [NTSB SEA93LA216](https://openairdocs.org/ntsb/SEA93LA216.md): Let Blanik L-13 · Clinton, MT · Accident · No injuries · Limited investigation · Final report · Sep 26, 1993 · N52AS · Substantial damage
  > Total failure of the tow equipment.

## 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."eventStateOrRegion" = 'MT' AND c."eventCountry" = 'USA'
  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?model=1360306&state=MT

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