NTSB investigations: Let BLANIK L-13
7 cases on aircraft the registry lists as Let BLANIK L-13, where the first occurrence was “In flight collision with object”. 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
| 1983 | 1 |
|---|---|
| 1984 | 1 |
| 1995 | 1 |
| 1996 | 2 |
| 2001 | 1 |
| 2007 | 1 |
Where
Open the mapLatest 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\" = 220))
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.
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" = 220))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESCRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB LAX08CA003Accident · No injuriesData collectionFinal reportLet Blanik L-13 · Hemet, CAThe pilot's failure to maintain a proper descent rate due to his failure to close the air brake and/or partially retract the flaps during an encounter with lost lift on final approach.NTSB DEN01LA143Accident · No injuriesLimited investigationFinal reportBlanik L-13 · Morgan, UTthe pilot's inadvertent lowering of the flaps and her failure to extend the spoilers.NTSB MIA97LA046Accident · No injuriesLimited investigationFinal reportLet Blanik L-13 · Mulberry, FLThe pilot's failure to check that the spoiler handle was locked in the retracted position prior to takeoff.NTSB ATL97LA013Accident · Serious injuriesLimited investigationFinal reportLet L-13 · Benton, TNfailure of the flight crew to maintain altitude/clearance above runway obstacles, and inadequate supervision by the flight instructor. Factors relating to the accident were sunglare on the canopy, and the proximity of obstacles (trees) to the runway.NTSB CHI95LA308Accident · No injuriesLimited investigationFinal reportLet L-23 Super Blanik · White Bear Lake, MNthe pilot's delayed retraction of the spoilers. Factors were the excessive sink rate and the power lines.NTSB DEN84FA161Accident · 1 fatalField investigationFinal reportLet L-13 · Edgewood, NMWitnesses reported that the acft appeared to be too high, too fast, and in a crab as it approached the rwy. Over the rwy the glider was observed to roll into a right turn as the nose came up. Shortly thereafter the right wing struck 3 parked acft and collided…NTSB LAX84LA091Accident · No injuriesLimited investigationFinal reportLet L-13 · Jacumba, CAThe acft collided with a bush and groundlooped short of the rwy. The wind was unusually strong and the glider plt stated he misjudged its effect and should have flown the base leg closer. The acft landed short of the rwy and ground looped.