# NTSB investigations: Let BLANIK L-13: In flight encounter with weather

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 NYC02LA092](https://openairdocs.org/ntsb/NYC02LA092.md): Blanik L-13 · Saratoga Spring, NY · Accident · No injuries · Limited investigation · Final report · May 5, 2002 · N711KR · Substantial damage
  > The glider encountering an unanticipated downdraft, which resulted in insufficient altitude to reach a suitable landing area.
- [NTSB NYC00LA251](https://openairdocs.org/ntsb/NYC00LA251.md): Let Blanik L-13 · Wurtsboro, NY · Accident · No injuries · Limited investigation · Final report · Sep 4, 2000 · N48037 · Substantial damage
  > The pilot's improper weather evaluation and decision to initiate a flight with an approaching rain shower. A factor in this accident was heavy rain, which reduced visibility.
- [NTSB LAX99LA228](https://openairdocs.org/ntsb/LAX99LA228.md): Let Blanik L-13 · Barstow, CA · Accident · No injuries · Limited investigation · Final report · Jun 19, 1999 · N136AS · Substantial damage
  > The loss of thermal lift that resulted in a forced landing and the pilot's improper glide path that resulted in a collision with a light pole.
- [NTSB ATL93LA097](https://openairdocs.org/ntsb/ATL93LA097.md): Let L-13 · Elberta, AL · Accident · No injuries · Limited investigation · Final report · May 29, 1993 · N640RM · Substantial damage
  > The pilot's inadequate preflight planning
- [NTSB MIA92LA122](https://openairdocs.org/ntsb/MIA92LA122.md): Let L-13 · Boynton Beach, FL · Accident · Minor injuries · Limited investigation · Final report · May 4, 1992 · N99946 · Substantial damage
  > Premature extension of the spoilers by the pilot during approach to land. Contributing to the accident was his lack of total experience in the type of aircraft and in-flight encounter with a downdraft.
- [NTSB LAX83LA234](https://openairdocs.org/ntsb/LAX83LA234.md): Let L-13 · California City, CA · Accident · No injuries · Limited investigation · Final report · Apr 2, 1983 · N99965 · Substantial damage
  > During flt, the glider sustained in-flt structural damage while maneuvering at an altitude of aprx 17,500 ft MSL in the vicinity of California City, CA. During a preliminary verbal statement to an FAA inspector, the plt stated that he had done a couple of…

## 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" = 240))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=1360306&occurrence=240

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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.