# NTSB investigations: Let BLANIK L-13: On ground/water encounter with terrain/water

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 DEN02LA095](https://openairdocs.org/ntsb/DEN02LA095.md): Let Blanik L-13 · Lehi, UT · Accident · No injuries · Limited investigation · Final report · Jul 23, 2002 · N48038 · Destroyed
  > the pilot's inadequate in-flight planning resulting in the glider impacting terrain short of the runway, and the pilot's subsequent abrupt handling of the glider when it became airborne again, which resulted in a hard second landing. A contributing factor was…
- [NTSB NYC95LA199](https://openairdocs.org/ntsb/NYC95LA199.md): Let Blanik L-13 · Mayville, NY · Accident · No injuries · Limited investigation · Final report · Aug 19, 1995 · N69AS · Substantial damage
  > the pilot's improper flight control input during the landing roll in high grass, which resulted in a ground loop and subsequent wingtip damage.
- [NTSB SEA93LA141](https://openairdocs.org/ntsb/SEA93LA141.md): Let Blanik L-13 · Enumclaw, WA · Accident · No injuries · Limited investigation · Final report · Jun 27, 1993 · N82AS · Substantial damage
  > The pilot's failure to attain the proper touchdown point. Factors to the accident were: lack of familiarity with geographic area and the grass.
- [NTSB NYC93LA032](https://openairdocs.org/ntsb/NYC93LA032.md): Let LF-13 · Readington, NJ · Accident · Minor injuries · Limited investigation · Final report · Nov 1, 1992 · N13WG · Substantial damage
  > The pilot's poorly planned approach for landing which resulted in an off airport landing in unsuitable terrain.
- [NTSB BFO92LA039](https://openairdocs.org/ntsb/BFO92LA039.md): Let L-13 · Lock Haven, PA · Accident · No injuries · Limited investigation · Final report · Mar 14, 1992 · N12CG · Destroyed
  > A tow rope that broke at low altitude.
- [NTSB LAX84LA297](https://openairdocs.org/ntsb/LAX84LA297.md): Let L-13 · El Mirage, AZ · Accident · No injuries · Limited investigation · Final report · May 18, 1984 · N3204F · Substantial damage
  > The glider plt reported that after a release from the tow line, he had difficulty finding lift. He concentrated on finding lift so much that he became disoriented with respect to the rwy. When he elected to return to the arpt, he inadvertently selected a…

## 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" = 320))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=1360306&occurrence=320

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