NTSB investigations: Let BLANIK L-13

6 cases on aircraft the registry lists as Let BLANIK L-13, where the first occurrence was “In flight encounter with weather”. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.

Cases per year

19832026
NTSB investigations: Let BLANIK L-13 per year, 1983–2026: 6 cases
19831
19921
19931
19991
20001
20021

Latest cases

Query with SQL
duckdb -csv -c "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"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

NTSB NYC02LA092Accident · No injuriesLimited investigationFinal reportBlanik L-13 · Saratoga Spring, NYThe glider encountering an unanticipated downdraft, which resulted in insufficient altitude to reach a suitable landing area.May 5, 2002 · N711KR · Substantial damageNTSB NYC00LA251Accident · No injuriesLimited investigationFinal reportLet Blanik L-13 · Wurtsboro, NYThe 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.Sep 4, 2000 · N48037 · Substantial damageNTSB LAX99LA228Accident · No injuriesLimited investigationFinal reportLet Blanik L-13 · Barstow, CAThe 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.Jun 19, 1999 · N136AS · Substantial damageNTSB ATL93LA097Accident · No injuriesLimited investigationFinal reportLet L-13 · Elberta, ALThe pilot's inadequate preflight planningMay 29, 1993 · N640RM · Substantial damageNTSB MIA92LA122Accident · Minor injuriesLimited investigationFinal reportLet L-13 · Boynton Beach, FLPremature 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.May 4, 1992 · N99946 · Substantial damageNTSB LAX83LA234Accident · No injuriesLimited investigationFinal reportLet L-13 · California City, CADuring 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…Apr 2, 1983 · N99965 · Substantial damage