# NTSB investigations: Let BLANIK L-13: On ground/water collision with object

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 CHI99LA220](https://openairdocs.org/ntsb/CHI99LA220.md): Let Blanik L-13 · Sylvania, WI · Accident · No injuries · Limited investigation · Final report · Jul 9, 1999 · N3209F · Substantial damage
  > the misjudged planned approach and the evasive maneuver attempted by the pilot-in-command. A factor was the presence of trees.
- [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.
- [NTSB DEN91LA118](https://openairdocs.org/ntsb/DEN91LA118.md): Let L-13 · Aspen, CO · Accident · No injuries · Limited investigation · Final report · Aug 25, 1991 · N2238 · Substantial damage
  > The pilot turning off the runway with excessive speed.
- [NTSB LAX89LA145](https://openairdocs.org/ntsb/LAX89LA145.md): Let L-13 · Hemet, CA · Accident · No injuries · Limited investigation · Final report · Apr 1, 1989 · N82756 · Substantial damage
  > Inadequate crew coordination between the ground lineman and the blanik pilot, and failure of the blanik pilot to maintain clearance between his aircraft and the parked glider. A factor related to the accident was the proximity of the parked glider to the…
- [NTSB DEN87LA236](https://openairdocs.org/ntsb/DEN87LA236.md): Let L-13 · Buena Vista, CO · Accident · No injuries · Limited investigation · Final report · Sep 5, 1987 · N38924 · Substantial damage
  > The plt was ferrying the glider to Buena Vista, Colorado & had previously obtained permission to land on a closed rwy. After being towed to the Buena Vista area, he released the glider from the tow plane & flew in the local area for about 40 min. He then…
- [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.

## 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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('1360306')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 310))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=1360306&occurrence=310

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