# NTSB investigations: Dehavilland DHC-2 MK. I(L20A): Collision with terr/obj (non-CFIT)

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

## Latest cases

- [NTSB GAA18CA581](https://openairdocs.org/ntsb/GAA18CA581.md): De Havilland DHC 2 MK. I(L20A) · Kukaklek Lake, AK · Accident · Minor injuries · Data collection · Final report · Sep 24, 2018 · N9RW · Substantial damage
  > The pilot’s failure to see and avoid a sand bar during a water takeoff, which resulted in the airplane impacting a river bank.
- [NTSB ANC18FA055](https://openairdocs.org/ntsb/ANC18FA055.md): De Havilland DHC-2 · Willow, AK · Accident · 1 fatal · Class 2 · Field · Final report · Jul 19, 2018 · N9878R · Destroyed
  > The pilot's exceedance of the airplane's critical angle of attack during departure climb, which resulted in an aerodynamic stall. Contributing to the accident was the pilot's improper decision to load the airplane beyond its allowable gross weight and center…
- [NTSB ANC16LA062](https://openairdocs.org/ntsb/ANC16LA062.md): Dehavilland DHC-2 · Kodiak, AK · Accident · Serious injuries · Class 3 · Limited · Final report · Sep 9, 2016 · N91AK · Substantial damage
  > The pilot's failure to maintain adequate airspeed during the initial climb and turn after takeoff, which resulted in an exceedance of the airplane's critical angle of attack and an aerodynamic stall.
- [NTSB ANC14LA071](https://openairdocs.org/ntsb/ANC14LA071.md): Dehavilland DHC 2 · Anchorage, AK · Accident · Minor injuries · Limited investigation · Final report · Sep 1, 2014 · N93E · Substantial damage
  > The loss of engine power during takeoff due to a malfunction of the engine-driven fuel pump.
- [NTSB ANC14LA046](https://openairdocs.org/ntsb/ANC14LA046.md): Dehavilland DHC 2 · Iliamna, AK · Accident · Serious injuries · Limited investigation · Final report · Jun 25, 2014 · N115CX · Minor damage
  > The pilot’s improper decision to operate the airplane at low altitude and deliberately in close proximity to the boat operators, which resulted in a collision with a boat operator.
- [NTSB ANC13CA037](https://openairdocs.org/ntsb/ANC13CA037.md): Dehavilland DHC-2 MK. I(L20A) · Anchorage, AK · Accident · No injuries · Data collection · Final report · Mar 26, 2013 · N995SP · Substantial damage
  > The pilot’s failure to maintain directional control of the airplane while taxiing on a snow-covered taxiway.
- [NTSB ANC12LA051](https://openairdocs.org/ntsb/ANC12LA051.md): Dehavilland DHC-2 · Talkeetna, AK · Accident · No injuries · Limited investigation · Final report · Jun 14, 2012 · N121KT · Substantial damage
  > The loss of engine power after departure due to the separation of an engine cylinder.

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```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 ('2808002')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s."tier2Number" = '470' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent")))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/470/sequence?model=2808002

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