NTSB investigations: Dehavilland DHC-6 TWIN OTTER, 1985
3 cases on aircraft the registry lists as Dehavilland DHC-6 TWIN OTTER. 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
| 1967 | 1 |
|---|---|
| 1968 | 1 |
| 1969 | 4 |
| 1970 | 2 |
| 1971 | 1 |
| 1972 | 2 |
| 1974 | 1 |
| 1976 | 3 |
| 1977 | 2 |
| 1978 | 4 |
| 1979 | 4 |
| 1982 | 2 |
| 1983 | 2 |
| 1984 | 1 |
| 1985 | 3 |
| 1986 | 2 |
| 1987 | 1 |
| 1988 | 4 |
| 1989 | 3 |
| 1990 | 2 |
| 1992 | 1 |
| 1995 | 1 |
| 1996 | 1 |
| 1997 | 1 |
| 1999 | 1 |
| 2001 | 2 |
| 2002 | 1 |
| 2005 | 3 |
| 2006 | 1 |
| 2008 | 1 |
| 2009 | 1 |
| 2014 | 1 |
| 2015 | 1 |
| 2016 | 1 |
| 2019 | 1 |
| 2025 | 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\") = 1985
AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('2802606'))
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") = 1985
AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('2802606'))
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 NYC86FA006Accident · 1 fatalField investigationFinal reportde Havilland DHC-6 · Homer City, PAThe acft was observed flying at low altitude along about a 5 mile distance. Some witnesses described the acft altitude as just above treetops. Witness heard engine sounds and saw lights on the acft. The acft flight was on a southeast direction before it…NTSB CHI85LA151Accident · No injuriesLimited investigationFinal reportde Havilland DHC-6-200 · Grand Rapids, MIThe 14 CFR 135 pilot with light load of cargo was taking offof 10000 x 150 ft runway pilot said rt engine lost power he reduced power to ld was 50 ft AGL and bounced on second touchdown acft dept runway at 45 angle nose gear broke off in sod wind was 30 off…NTSB ANC85FA054Accident · Serious injuriesField investigationFinal reportde Havilland DHC-6-300 · Barter Island, AKAcft crashed during missed apch to temporary winter landing strip. Acft hit in steep nose down attitude. Marginal wx conditions prevailed, with icing reported.