NTSB investigations: Let BLANIK L-13, CO
10 cases on aircraft the registry lists as Let BLANIK L-13. 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
| 1975 | 1 |
|---|---|
| 1977 | 1 |
| 1981 | 1 |
| 1987 | 1 |
| 1989 | 1 |
| 1991 | 1 |
| 1993 | 1 |
| 1995 | 1 |
| 1997 | 1 |
| 2004 | 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.\"eventStateOrRegion\" = 'CO' AND c.\"eventCountry\" = 'USA'
AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('1360306'))
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."eventStateOrRegion" = 'CO' AND c."eventCountry" = 'USA'
AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('1360306'))
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 DEN04CA085Accident · Serious injuriesData collectionFinal reportLet Blanik L-13 · Durango, COthe pilot's improper in-flight planning and decision and his failure to maintain adequate terrain clearance. Contributing to the accident was the lack of suitable terrain, and the low approach.NTSB FTW97LA256Accident · Minor injuriesLimited investigationFinal reportLet Blanik L-13 · Pagosa Springs, COThe pilot's improper inflight planning in that he allowed the glider to descend to too low an altitude and stray too far from the airport, exceeding the aircraft's glide capabilities. A factor was his failure to utilize maximum braking action.NTSB FTW95LA405Accident · Minor injuriesLimited investigationFinal reportLet Blanik L-13 · Como, COThe pilot allowing the glider to develop an excessive descent rate. A factor was the premature and automatic disengagement of the winch-tow system.NTSB DEN93LA085Accident · Minor injuriesLimited investigationFinal reportLet L-13 · Durango, COThe failure of the tow plane pilot to warn the glider pilot that he was releasing the tow line. A factor was: an inadvertent stall by the pilot in command.NTSB DEN91LA118Accident · No injuriesLimited investigationFinal reportLet L-13 · Aspen, COThe pilot turning off the runway with excessive speed.NTSB DEN89LA210Accident · 1 fatalLimited investigationFinal reportLet L-13 · Buena Vista, COA premature release of the glider tow line by the glider pilot and his failure to maintain sufficient airspeed, while maneuvering back toward the runway, which resulted in an inadvertent stall.NTSB DEN87LA236Accident · No injuriesLimited investigationFinal reportLet L-13 · Buena Vista, COThe 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 DEN81FA053Accident · 2 fatalClosedLet Blanik · Aspen, CONTSB DEN77FTE33Accident · No injuriesClosedBlanik L-13 · Boulder, CONTSB DEN7LAD008Accident · 2 fatalClosedBlanik L-13 · Aspen, CO