Major NTSB investigations: Dehavilland DHC-6 TWIN OTTER
9 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
| 1977 | 1 |
|---|---|
| 1978 | 1 |
| 1979 | 1 |
| 1982 | 1 |
| 1983 | 1 |
| 1986 | 1 |
| 1989 | 1 |
| 1992 | 1 |
| 2006 | 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.board_report_url IS NOT NULL OR c.\"investigationClass\" = 'Class 1' OR c.\"caseType\" = 'Major - Launch')
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 (c.board_report_url IS NOT NULL OR c."investigationClass" = 'Class 1' OR c."caseType" = 'Major - Launch')
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 CHI06FA210Accident · 6 fatalClass 1 · FieldFinal reportde Havilland DHC-6-100 · Sullivan, MOthe pilot's failure to maintain airspeed following a loss of power in the right engine due to the fracturing of compressor turbine blades for undetermined reasons. Contributing to some parachutists' injuries was the lack of a more effective restraint system…NTSB LAX92MA183Accident · 16 fatalMajor investigationFinal reportde Havilland DHC-6-200 · Perris, CAThe pilot-in-command's inadvertent feathering of the wrong propeller following an engine power loss, and the failure of the operator to assure that the pilot was provided with adequate training in the airplane. Factors related to the accident were: water…NTSB DCA89MA076Accident · 10 fatalClass 1 · MajorFinal reportde Havilland DHC-6-300 · Grand Canyon, AZImproper pilot techniques and crew coordination during the landing attempt, bounce, and attempted go-around.NTSB DCA86AA028Accident · 25 fatalFinal reportde Havilland DHC-6-300 · Grand Canyon, AZAt about 0933 MST, Dehavilland DHC-6, N76GC, (owned & operated by Canyon airlines) & bell 206B, N6TC, (operated by heliteck) collided while on sightseeing flts over the Grand Canyon national park. After colliding in flt, both acft crashed & burned in the…NTSB DCA83AA017Accident · Serious injuriesFinal reportde Havilland DHC-6-300 · Hailey, IDThe acft was less than 2 miles from the arpt of intended landing during the approach when the crew experienced a loss ofelevator control. The acft started diving toward the ground when the power was reduced. The plt applied full power to try and restore level…NTSB DCA82AA022Accident · Serious injuriesFinal reportde Havilland DHC-6-200 · Hooper Bay, AKAt 0833 adt, the acft departed bethel, AK on a scheduled pax/cargo commuter flt to chevak, scammon bay & Hooper Bay, AK. The operator's commuter flts had not landed at scammon bay for svrl days since the rwy was soft & muddy from meltingsnow. Bfr departing…NTSB DCA79AA019Accident · 1 fatalClosedDehavilland DHC-6 · Hyannis, MANTSB DCA79AA003Accident · 2 fatalClosedDehavilland DHC-6 · Steamboat Spgs, CONTSB DCA77AA026Accident · 13 fatalClosedDehavilland DHC-6 · Iliamna, AK