# NTSB investigations, AK: Roll over

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 ANC25LA034](https://openairdocs.org/ntsb/ANC25LA034.md): Cessna 182B · Girdwood, AK · Accident · Minor injuries · Class 4 · Limited · Final report · Apr 12, 2025 · N916GG · Substantial damage
  > The pilot's decision to land on an unsuitable landing surface, which resulted in a nose-over.
- [NTSB WPR22LA329](https://openairdocs.org/ntsb/WPR22LA329.md): Robinson Helicopter R44 Clipper 1 · Deadhorse, AK · Accident · No injuries · Class 4 · Limited · Final report · Aug 26, 2022 · N240RM · Substantial damage
  > The pilot's failure to maintain helicopter control during a descent, which resulted in a collision with terrain.
- [NTSB ANC22LA023](https://openairdocs.org/ntsb/ANC22LA023.md): Eurocopter AS 350 BA · Valdez, AK · Accident · Minor injuries · Class 4 · Limited · Final report · Mar 15, 2022 · N99676 · Substantial damage
  > The pilot's failure to maintain a proper approach path in flat light conditions, which resulted in landing short of the intended landing spot and impact with terrain.
- [NTSB ANC21LA083](https://openairdocs.org/ntsb/ANC21LA083.md): Mcdonnell Douglas Helicopter 369E · Delta Junction, AK · Accident · Minor injuries · Class 4 · Limited · Final report · Sep 7, 2021 · N125KW · Substantial damage
  > The pilot’s inability to maintain lateral control during the takeoff, which resulted in dynamic rollover. Contributing to the accident was the pilot’s decision to utilize an unsuitable landing area for flight operations.
- [NTSB ANC21LA080](https://openairdocs.org/ntsb/ANC21LA080.md): Robinson Helicopter R44 II · Pelican, AK · Accident · No injuries · Class 4 · Limited · Final report · Aug 31, 2021 · N779DZ · Substantial damage
  > The pilot’s loss of control while landing on a remote helipad.
- [NTSB GAA18CA491](https://openairdocs.org/ntsb/GAA18CA491.md): Cessna U206 · Barter Island, AK · Accident · Minor injuries · Data collection · Final report · Aug 16, 2018 · N206JM · Substantial damage
  > The pilot's failure to maintain lateral control while taxiing in gusting wind conditions.
- [NTSB GAA18CA366](https://openairdocs.org/ntsb/GAA18CA366.md): Robinson R66 · Cordova, AK · Accident · No injuries · Data collection · Final report · Jun 19, 2018 · N7040P · Substantial damage
  > The pilot’s selection of unsuitable terrain for landing, which resulted in impact with brush and a loss of helicopter control.
- [NTSB GAA18CA126](https://openairdocs.org/ntsb/GAA18CA126.md): Cessna 180 · Nenana, AK · Accident · No injuries · Data collection · Final report · Feb 11, 2018 · N2347C · Substantial damage
  > The pilot’s failure to maintain an adequate approach path to an unimproved airstrip, which resulted in a hard landing short of the airstrip.
- [NTSB ANC17LA011](https://openairdocs.org/ntsb/ANC17LA011.md): Robinson Helicopter R22 · Unalaska, AK · Accident · Minor injuries · Limited investigation · Final report · Dec 2, 2016 · N7085K · Substantial damage
  > The pilot’s failure to maintain adequate clearance from terrain during a precautionary landing in whiteout conditions, which resulted in an in-flight collision with terrain.
- [NTSB GAA16LA031](https://openairdocs.org/ntsb/GAA16LA031.md): Airbus AS350 · Deadhorse, AK · Accident · No injuries · Limited investigation · Final report · Oct 27, 2015 · C-GSLY · Substantial damage
  > The noninstrument-rated pilot's continued visual flight into adverse weather conditions, which resulted in spatial disorientation, and his subsequent failure to maintain terrain clearance while attempting to land in flat light and whiteout conditions.
- [NTSB ANC08LA076](https://openairdocs.org/ntsb/ANC08LA076.md): Eurocopter AS-350 BA · Chickaloon, AK · Accident · No injuries · Limited investigation · Final report · Jun 23, 2008 · N357CH · Substantial damage
  > The pilot's incorrect actions during an out-of ground-effect hover, which resulted in the helicopter entering a main rotor ring vortex state, and a settling with power condition, producing an excessive descent rate and collision with terrain.

## 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."eventStateOrRegion" = 'AK' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '097' 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/097/sequence?state=AK

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