NTSB investigations: Let BLANIK L-13, 1984
6 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
| 1971 | 1 |
|---|---|
| 1972 | 4 |
| 1973 | 4 |
| 1974 | 3 |
| 1975 | 5 |
| 1976 | 3 |
| 1977 | 6 |
| 1978 | 7 |
| 1979 | 4 |
| 1980 | 2 |
| 1981 | 3 |
| 1982 | 5 |
| 1983 | 4 |
| 1984 | 6 |
| 1985 | 3 |
| 1986 | 5 |
| 1987 | 5 |
| 1988 | 1 |
| 1989 | 2 |
| 1990 | 1 |
| 1991 | 4 |
| 1992 | 3 |
| 1993 | 4 |
| 1994 | 1 |
| 1995 | 4 |
| 1996 | 4 |
| 1997 | 4 |
| 1998 | 4 |
| 1999 | 6 |
| 2000 | 2 |
| 2001 | 3 |
| 2002 | 4 |
| 2004 | 2 |
| 2005 | 2 |
| 2006 | 1 |
| 2007 | 2 |
| 2008 | 4 |
| 2009 | 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 year(c.\"eventDate\") = 1984
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 year(c."eventDate") = 1984
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 MIA85LA030Accident · No injuriesLimited investigationFinal reportLet L-13 · Homestead, FLAccording to the plt, a downdraft was encountered on base leg causing the acft to descend and decelerate. Unable to reach the rwy the glider landed in an orchard.NTSB CHI84LA409Accident · No injuriesLimited investigationFinal reportLet L-13 · Gregory, MIAccording to the CFI the glider was at about 500 ft AGL on base leg when a downdraft caused the acft to descend and touch down 50 ft short of the rwy.NTSB ATL84LA300Accident · No injuriesLimited investigationFinal reportLet L-13 · Warrenton, VAThe plt inadvertantly deployed the flaps on final apch instead of the spoilers. The glider overshot the airstrip touching down in rough terrain off the departure end.NTSB LAX84LA386Accident · Minor injuriesLimited investigationFinal reportLet L-13 · Llano, CAAccording to the plt, the glider did not sink as fast as expected on the downwind leg, so he extended flaps to 30 to 40 deg, used spoilers & extended the downwind. On base leg he entered an area of high sink; therefore, he closed the spoilers & angled toward…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 LAX84LA297Accident · No injuriesLimited investigationFinal reportLet L-13 · El Mirage, AZThe 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…