NTSB investigations: Dehavilland BEAVER DHC-2 MK.1

6 cases on aircraft the registry lists as Dehavilland BEAVER DHC-2 MK.1, where the first occurrence was “Loss of control - in flight”. 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.

Defining event

Finding

Phase of flight

Aircraft model

Cases per year

19872026

NTSB investigations: Dehavilland BEAVER DHC-2 MK.1 per year, 1987–2026: 6 cases
1987	1
1988	1
1992	1
1993	1
2002	1
2007	1

Where

Open the map

Latest cases

Query with SQL

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 ('2800102') 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" = 250)) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

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 ('2800102')
      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\" = 250))
  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 ('2800102')
    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" = 250))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

Run 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 ANC07MA083Accident · 5 fatalMajor investigationFinal reportde Havilland DHC-2 · Ketchikan, AKAn inadvertent aerodynamic stall resulting from the pilot's poor decision-making and inadequate planning and execution when he took off toward nearby rising terrain, in strong winds, under circumstances where his options for maneuvering were severely limited…Aug 17, 2007 · N345KA · Destroyed NTSB ANC02LA123Accident · No injuriesLimited investigationFinal reportde Havilland DHC-2 · Bethel, AKThe instructor pilot's inadequate preflight by his failure to remove all frost from the wings prior to takeoff, which resulted in an inadvertent stall and in-flight collision with terrain.Sep 20, 2002 · N144Q · Substantial damage NTSB ANC93FA161Accident · 3 fatalField investigationFinal reportDe Havilland DHC-2 · Iliamna, AKThe pilot's failure to maintain airspeed resulting in an inadvertent stall. A factor in the accident was the inadequate recurrent training of the pilot by the operator/management.Aug 31, 1993 · N64273 · Destroyed NTSB ANC92FA116Accident · 6 fatalField investigationFinal reportDe Havilland DHC-2 Mark 1 · Dillingham, AKThe pilot's delayed decision in reversing course and his failure to maintain airspeed during the maneuver. Factors related to the accident were: mountainous terrain and a low ceiling.Jul 30, 1992 · N67151 · Destroyed NTSB SEA89FA027Accident · 1 fatalField investigationFinal reportde Havilland DHC-2 · Kasaan, AKThe plt planned to land at a seaplane base that was located in a bowl-shaped cove. Drg the landing, the acft touched down long on water swells & the plt elected to go around. Witnesses rprtd that drg the go-around, the plt initiated a steep turn while still…Dec 14, 1988 · N89U · Destroyed NTSB SEA88LA029Accident · Minor injuriesLimited investigationFinal reportde Havilland DHC-2 MK1 · Metlakatla, AKOn final approach for landing the aircraft encountered high gusting winds. The aircraft then stalled and entered a nose down attitude. Accordng to one passenger the pilot was holding full aft elevator during the descent. The aircraft struck the water hard,…Dec 7, 1987 · N17597 · Substantial damage