# NTSB investigations, AK: Turbulence encounter 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 ANC21LA043](https://openairdocs.org/ntsb/ANC21LA043.md): Cessna 182K · Cordova, AK · Accident · Minor injuries · Class 3 · Limited · Final report · May 29, 2021 · N2761Q · Substantial damage > An encounter with mountain wave turbulence and windshear that exceeded the climb capability of the airplane and resulted in impact with terrain. - [NTSB DCA21LA018](https://openairdocs.org/ntsb/DCA21LA018.md): Boeing 777 · Anchorage, AK · Accident · Serious injuries · Class 4 · Limited · Final report · Sep 30, 2020 · N860DA · No damage > The airplane’s encounter with severe turbulence while flying over a mountain range during cruise. - [NTSB ANC19TA014](https://openairdocs.org/ntsb/ANC19TA014.md): Piper PA32R · Anchorage, AK · Accident · Serious injuries · Class 3 · Final report · Feb 13, 2019 · N40449 · No damage > The pilot’s failure to ensure that the passenger’s lap belt was appropriately fastened for the forecast turbulent conditions, and the passenger’s failure to tighten her lap belt appropriately, which resulted in the passenger’s serious injury during an… - [NTSB ANC18LA072](https://openairdocs.org/ntsb/ANC18LA072.md): Cessna 182 · Anchorage, AK · Accident · Minor injuries · Limited investigation · Final report · Sep 27, 2018 · N2571G · Substantial damage > The pilot's failure to avoid wake turbulence from a crossing heavy airplane. - [NTSB ANC15CA051](https://openairdocs.org/ntsb/ANC15CA051.md): Cessna 140 · Homer, AK · Accident · No injuries · Data collection · Final report · Jul 14, 2015 · N72784 · Substantial damage > The pilot's decision to fly at a low altitude in mountainous terrain and weather conditions conducive to downdrafts. - [NTSB ANC14CA047](https://openairdocs.org/ntsb/ANC14CA047.md): Piper PA 18 · Cantwell, AK · Accident · No injuries · Data collection · Final report · Jun 25, 2014 · N72842 · Substantial damage > The pilot's encounter with a wind gust during takeoff from a short gravel bar, which resulted in the airplane settling after rotation and striking obstacles. - [NTSB ANC14CA027](https://openairdocs.org/ntsb/ANC14CA027.md): Taylorcraft BC12 D · Wasilla, AK · Accident · No injuries · Data collection · Final report · May 4, 2014 · N64518 · Substantial damage > The pilot's inadequate weather evaluation, which resulted in a turbulence encounter at low altitude and collision with trees. Contributing to the accident was the pilot's lack of knowledge of local wind conditions. - [NTSB DCA12CA033](https://openairdocs.org/ntsb/DCA12CA033.md): Antonov AN124 · Anchorage, AK · Accident · Serious injuries · Data collection · Final report · Feb 2, 2012 · RA82046 · No damage > an inadvertent encounter with Clear Air Turbulence that resulted in serious injuries to two crewmembers. - [NTSB ANC11CA058](https://openairdocs.org/ntsb/ANC11CA058.md): Aviat A-1B · Palmer, AK · Accident · Serious injuries · Data collection · Final report · Jul 6, 2011 · N949AK · Substantial damage > The pilot's decision to fly at a low altitude in mountainous terrain and weather conditions conducive to downdrafts. - [NTSB ANC11CA036](https://openairdocs.org/ntsb/ANC11CA036.md): Piper J5A · Palmer, AK · Accident · No injuries · Data collection · Final report · May 27, 2011 · N2364 · Substantial damage > The pilot's inadequate compensation for wind conditions. - [NTSB ANC11LA027](https://openairdocs.org/ntsb/ANC11LA027.md): Piper PA-32-301 · Cold Bay, AK · Accident · No injuries · Limited investigation · Final report · Apr 15, 2011 · N81052 · Substantial damage > An in-flight encounter with unforecast turbulence, which resulted in structural damage to the stabilator. - [NTSB ANC10CA096](https://openairdocs.org/ntsb/ANC10CA096.md): Piper PA-18-150 · Chicken, AK · Accident · No injuries · Data collection · Final report · Sep 9, 2010 · N83395 · Substantial damage > The pilot's decision to fly at a low altitude in terrain and weather conditions conducive to turbulence and downdrafts. - [NTSB ANC10FA064](https://openairdocs.org/ntsb/ANC10FA064.md): Dehavilland Beaver DHC-2 MK.1 · Ketchikan, AK · Accident · 1 fatal · Field investigation · Final report · Jul 23, 2010 · N9290Z · Substantial damage > The pilot’s decision to continue the flight toward his destination in significant turbulence and downdrafts, and his subsequent failure to maintain control of the airplane while flying low over rising terrain. - [NTSB ANC10FA004](https://openairdocs.org/ntsb/ANC10FA004.md): Cessna A185E · Healy, AK · Accident · 1 fatal · Field investigation · Final report · Oct 14, 2009 · N2764J · Substantial damage > The pilot's decision to maneuver at a low altitude over rising terrain in conditions conducive to turbulence/downdrafts, resulting in a loss of control and impact with terrain. - [NTSB ANC09CA111](https://openairdocs.org/ntsb/ANC09CA111.md): Piper PA-18-150 · Homer, AK · Accident · No injuries · Data collection · Final report · Jul 3, 2009 · N4299Z · Substantial damage > The pilot's excessive airspeed during approach to compensate for turbulence, resulting in a hard landing and runway overrun. ## 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" = '360' 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/360/sequence?state=AK --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.