# NTSB investigations: Snow

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 CEN25LA074](https://openairdocs.org/ntsb/CEN25LA074.md): Cessna 560 · Pagosa Springs, CO · Accident · No injuries · Class 3 · Limited · Final report · Dec 27, 2024 · N753MB · Substantial damage
  > The pilot’s inadequate preflight planning and poor preflight inspection and decision-making, which led to a takeoff attempt above the airplane’s certified maximum takeoff weight with snow-contaminated wings, resulting in a rejected takeoff at an airspeed…
- [NTSB WPR25LA029](https://openairdocs.org/ntsb/WPR25LA029.md): Daher TBM700 · Pinedale, WY · Accident · Serious injuries · Class 3 · Limited · Final report · Oct 29, 2024 · N885CA · Substantial damage
  > The pilot’s failure to ensure that the airplane was free of snow contamination before takeoff and to follow the manufacturer’s anti-icing procedure during continued snowfall, which resulted in an aerodynamic stall and loss of control shortly after liftoff.…
- [NTSB CEN24FA046](https://openairdocs.org/ntsb/CEN24FA046.md): Socata TBM 700 · Ludington, MI · Accident · 2 fatal · Class 3 · Field · Final report · Nov 26, 2023 · N850JH · Destroyed
  > The pilot’s decision to take off with ice/snow contamination on the airplane’s wings, which resulted in an aerodynamic stall and impact with terrain.
- [NTSB ANC23LA032](https://openairdocs.org/ntsb/ANC23LA032.md): Robinson Helicopter R44 II · Skwentna, AK · Accident · Minor injuries · Class 4 · Limited · Final report · May 9, 2023 · N704T · Substantial damage
  > The pilot's failure to maintain adequate altitude/clearance from terrain while maneuvering in adverse weather conditions, which resulted in a dynamic rollover.
- [NTSB CEN23LA126](https://openairdocs.org/ntsb/CEN23LA126.md): Beech C90 · Bismark, ND · Accident · No injuries · Class 4 · Limited · Final report · Mar 9, 2023 · N46CV · Substantial damage
  > The ground vehicle driver’s failure to see and maintain clearance from the airplane while conducting ground operations.
- [NTSB ANC23LA013](https://openairdocs.org/ntsb/ANC23LA013.md): Taylorcraft BL-65 · Wasilla, AK · Accident · No injuries · Class 3 · Limited · Final report · Jan 14, 2023 · N29886 · Substantial damage
  > The pilot's failure to remove all water from the fuel tank, which resulted in fuel contamination and a subsequent partial loss of engine power.
- [NTSB WPR23FA080](https://openairdocs.org/ntsb/WPR23FA080.md): Embraer Executive EMB-505 · Provo, UT · Accident · 1 fatal · Class 3 · Field · Final report · Jan 2, 2023 · N555NR · Substantial damage
  > The pilot’s failure to deice the airplane before takeoff in weather conditions conducive to ice accumulation, which resulted in an ice-contaminated wing and subsequent stall during takeoff.
- [NTSB WPR23LA065](https://openairdocs.org/ntsb/WPR23LA065.md): Piper PA42 · Lewistown, MT · Accident · No injuries · Class 4 · Limited · Final report · Dec 13, 2022 · C-GZPU · Substantial damage
  > The pilot’s improper landing flare, which resulted in a hard landing. Contributing to the accident was the out of service visual glideslope indicator and snow obscuring the runway markings.
- [NTSB ERA22LA060](https://openairdocs.org/ntsb/ERA22LA060.md): Cessna 150 · Wilkes-Barre, PA · Accident · Serious injuries · Class 4 · Limited · Final report · Nov 14, 2021 · N6714S · Substantial damage
  > The pilot’s decision to commence the flight in marginal visual flight rules conditions at night, and his failure to maintain a safe altitude once instrument conditions were encountered.
- [NTSB ERA21LA191](https://openairdocs.org/ntsb/ERA21LA191.md): Robinson Helicopter R44 · Forkston, PA · Accident · 1 fatal · Class 3 · Limited · Final report · Apr 23, 2021 · N4055N · Destroyed
  > The pilot’s inadequate preflight weather planning, which resulted in an inadvertent encounter with instrument meteorological conditions at night, spatial disorientation, and collision with terrain.
- [NTSB WPR21LA027](https://openairdocs.org/ntsb/WPR21LA027.md): American Eurocopter AS350B3 · Silver City, NM · Accident · Minor injuries · Class 4 · Limited · Final report · Oct 27, 2020 · N530H · Substantial damage
  > The pilot’s failure to maintain sufficient altitude above terrain while operating in reduced visibility due to snow showers.
- [NTSB ANC20LA020](https://openairdocs.org/ntsb/ANC20LA020.md): Cessna 208 · Hooper Bay, AK · Accident · No injuries · Class 3 · Limited · Final report · Feb 5, 2020 · N454SF · Substantial damage
  > The pilot’s decision to depart from a contaminated runway, and his failure to make a timely decision to abort the takeoff when the airplane was not accelerating as expected. Contributing to the accident was the pilot’s decision to depart in limited visibility…
- [NTSB CEN19FA139](https://openairdocs.org/ntsb/CEN19FA139.md): Mooney M20J · Moose Lake, MN · Accident · 1 fatal · Class 3 · Field · Final report · May 8, 2019 · N111JP · Substantial damage
  > The pilot’s failure to maintain control of the airplane after departing into a snowstorm.
- [NTSB CEN19FA072](https://openairdocs.org/ntsb/CEN19FA072.md): Bell 407 · Zaleski, OH · Accident · 3 fatal · Class 1 · Field · Final report · Jan 29, 2019 · N191SF · Destroyed
  > The NTSB determines that the probable cause of this accident was Survival Flight's inadequate management of safety, which normalized pilots' and operations control specialists' noncompliance with risk analysis procedures and resulted in the initiation of the…
- [NTSB CEN18FA074](https://openairdocs.org/ntsb/CEN18FA074.md): MD Helicopters 369HM · Perrysburg, OH · Accident · 2 fatal · Field investigation · Final report · Jan 15, 2018 · N4QX · Substantial damage
  > A loss of engine power due to snow or ice ingestion at an altitude that was insufficient to allow for engine re-ignition. Contributing to the accident were conditions, including altitude and flat light conditions, that precluded a successful autorotation to…
- [NTSB GAA18CA094](https://openairdocs.org/ntsb/GAA18CA094.md): Piper PA32 · Spearfish, SD · Accident · No injuries · Data collection · Final report · Dec 28, 2017 · N11KX · Substantial damage
  > The pilot’s inadvertent landing in snow adjacent to the snow-covered runway resulting in a collision with runway signs.
- [NTSB GAA17CA158](https://openairdocs.org/ntsb/GAA17CA158.md): Socata TBM700 · Bellingham, WA · Accident · No injuries · Data collection · Final report · Feb 27, 2017 · CGWVS · Substantial damage
  > The pilot’s failure to properly deice the airplane before takeoff, which resulted in an aerodynamic stall during the initial climb.
- [NTSB ANC16LA071](https://openairdocs.org/ntsb/ANC16LA071.md): Helio H-295 · Delta Junction, AK · Accident · No injuries · Limited investigation · Final report · Sep 26, 2016 · N68857 · Substantial damage
  > The pilot’s decision to take off from a wet, snowy airstrip and his delayed decision to abort the takeoff, which resulted in a runway excursion.
- [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 CEN15LA098](https://openairdocs.org/ntsb/CEN15LA098.md): Raytheon A36 · Parker City, IN · Accident · Serious injuries · Limited investigation · Final report · Jan 4, 2015 · N349EA · Substantial damage
  > The pilot’s loss of airplane control while troubleshooting an engine issue in instrument meteorological conditions, which resulted in impact with trees and terrain.
- [NTSB CEN15FA051](https://openairdocs.org/ntsb/CEN15FA051.md): Mooney M20C · Pagosa Springs, CO · Accident · 2 fatal · Field investigation · Final report · Nov 15, 2014 · N6466U · Destroyed
  > The noninstrument-rated pilot's improper decision to fly to the destination airport and into known instrument meteorological conditions, which resulted in his controlled flight into mountainous terrain during a snow storm.
- [NTSB CEN15FA044](https://openairdocs.org/ntsb/CEN15FA044.md): Mooney M20K · Clines Corners, NM · Accident · 1 fatal · Field investigation · Final report · Nov 13, 2014 · N231JF · Destroyed
  > The noninstrument-rated pilot's decision to initiate the flight into known deteriorating weather conditions and his continued visual flight into instrument meteorological conditions, which ultimately resulted in a loss of airplane control. Contributing to the…
- [NTSB CEN14FA141](https://openairdocs.org/ntsb/CEN14FA141.md): Beech 35/33 · Telluride, CO · Accident · 3 fatal · Field investigation · Final report · Feb 16, 2014 · N400DJ · Substantial damage
  > The airplane’s failure to obtain a positive climb rate, which resulted in controlled flight into terrain. Contributing to the accident was the pilot’s inadequate preflight planning.
- [NTSB CEN14FA064](https://openairdocs.org/ntsb/CEN14FA064.md): Cessna T210 · Cedaredge, CO · Accident · 1 fatal · Field investigation · Final report · Nov 20, 2013 · N6832B · Destroyed
  > The pilot's spatial disorientation while operating in dark night conditions in snow showers and his subsequent failure to maintain airplane control, which resulted in overstress of the airplane and an in-flight breakup. Contributing to the loss of control was…
- [NTSB CEN13FA174](https://openairdocs.org/ntsb/CEN13FA174.md): Eurocopter AS 350 B2 · Oklahoma City, OK · Accident · 2 fatal · Field investigation · Final report · Feb 22, 2013 · N917EM · Substantial damage
  > The loss of engine power due to engine ice ingestion during initial climb after takeoff in dark night light conditions. Contributing to the accident were the lack of an installed engine air inlet cover while the helicopter was parked outside, exposed to…
- [NTSB CEN13CA145](https://openairdocs.org/ntsb/CEN13CA145.md): Hughes 369HS · London, OH · Accident · No injuries · Data collection · Final report · Jan 29, 2013 · N193M · Substantial damage
  > The pilot's failure to comply with established cold weather operating procedures, which resulted in a total loss of engine power. Contributing to the accident was the pilot's excessive aft cyclic input during the landing flare, which resulted in main rotor…
- [NTSB CEN13FA130](https://openairdocs.org/ntsb/CEN13FA130.md): Raytheon 58 · Maxwell, NE · Accident · 4 fatal · Field investigation · Final report · Jan 11, 2013 · N36VE · Destroyed
  > The pilot’s inadvertent encounter with severe icing conditions, which resulted in structural icing and the subsequent loss of airplane control.
- [NTSB CEN13FA096](https://openairdocs.org/ntsb/CEN13FA096.md): MBB BK 117 A-3 · Compton, IL · Accident · 3 fatal · Field investigation · Final report · Dec 11, 2012 · N911BK · Substantial damage
  > The inadvertent encounter with inclement weather, including snow, freezing rain, and reduced visibility conditions, which led to the pilot’s spatial disorientation and loss of aircraft control.
- [NTSB WPR12FA237](https://openairdocs.org/ntsb/WPR12FA237.md): Gulfstream American AA-5A · Lakeview, OR · Accident · 1 fatal · Field investigation · Final report · May 25, 2012 · N26837 · Substantial damage
  > The pilot’s decision to take off in known adverse weather conditions and his subsequent failure to maintain sufficient airspeed while maneuvering in mountainous terrain and an area of low ceilings, snow, and fog, which resulted in a loss of airplane control.
- [NTSB WPR12FA164](https://openairdocs.org/ntsb/WPR12FA164.md): Cessna 320D · Green River, WY · Accident · 1 fatal · Field investigation · Final report · Apr 12, 2012 · N32EG · Destroyed
  > The pilot's failure to maintain airplane control while maneuvering in marginal weather conditions, which resulted in an exceedence of the design stress limits of the airplane and a subsequent in-flight structural failure.
- [NTSB CEN12FA090](https://openairdocs.org/ntsb/CEN12FA090.md): Cessna 182R · Mescalero, NM · Accident · 2 fatal · Field investigation · Final report · Nov 26, 2011 · N9408X · Substantial damage
  > The pilot's intentional attempt to fly into adverse weather, which resulted in an in-flight loss of control. Contributing to the accident was the pilot's lack of instrument experience.
- [NTSB ERA11GA207](https://openairdocs.org/ntsb/ERA11GA207.md): Cessna A185F · Ashland, ME · Accident · 1 fatal · Final report · Mar 24, 2011 · N724MT · Substantial damage
  > An inadvertent encounter with localized instrument meteorological conditions, which resulted in spatial disorientation and a loss of control.
- [NTSB ERA11LA099](https://openairdocs.org/ntsb/ERA11LA099.md): Beech F35 · Syracuse, NY · Accident · No injuries · Limited investigation · Final report · Dec 24, 2010 · N3448B · Substantial damage
  > The pilot’s failure to maintain adequate airspeed during landing with airframe structural icing, resulting in an aerodynamic stall and subsequent hard landing. Contributing to the accident was the pilot’s continued flight into known icing conditions.
- [NTSB CEN11LA109](https://openairdocs.org/ntsb/CEN11LA109.md): Cessna T182T · Moline, IL · Accident · Minor injuries · Limited investigation · Final report · Dec 16, 2010 · N2187H · Substantial damage
  > The pilot's failure to maintain directional control during landing, which resulted in a runway excursion and noseover.
- [NTSB CEN10FA122](https://openairdocs.org/ntsb/CEN10FA122.md): Piper PA-30 · Amarillo, TX · Accident · 2 fatal · Field investigation · Final report · Feb 17, 2010 · N8501Y · Substantial damage
  > The pilot’s failure to detect water contaminated fuel, which resulted in a loss of engine power shortly after takeoff. Contributing to the accident were the worn and loose fuel caps, which allowed water to enter the fuel tanks.
- [NTSB CEN10LA078](https://openairdocs.org/ntsb/CEN10LA078.md): Bell Helicopter Textron Canada 407 · Decatur, TX · Accident · Serious injuries · Limited investigation · Final report · Dec 25, 2009 · N600CE · Substantial damage
  > The pilot's inadequate preflight inspection and the momentary loss of engine power due to snow or ice ingestion.
- [NTSB WPR10LA059](https://openairdocs.org/ntsb/WPR10LA059.md): Cessna 182K · Susanville, CA · Accident · 1 fatal · Limited investigation · Final report · Nov 20, 2009 · N2650R · Substantial damage
  > The pilot's decision to takeoff into weather conditions conducive to ice accumulation, which resulted in an inadvertent stall/spin while maneuvering in the initial climb. Contributing to the accident was the likely accumulation of snow and ice on the airborne…
- [NTSB ANC09LA030](https://openairdocs.org/ntsb/ANC09LA030.md): Piper PA-32-300 · Nunapitchuk, AK · Accident · No injuries · Limited investigation · Final report · Apr 10, 2009 · N43551 · Substantial damage
  > The pilot's failure to maintain sufficient airspeed to avoid a stall during the landing approach.
- [NTSB WPR09FA176](https://openairdocs.org/ntsb/WPR09FA176.md): Maule M-4-220C · Hungry Horse, MT · Accident · 1 fatal · Field investigation · Final report · Apr 1, 2009 · N2007U · Destroyed
  > The pilot's improper decision to continue flight into an area of reduced visibility and snow showers during cruise flight, which resulted in the pilot's spatial disorientation and subsequent loss of aircraft control.
- [NTSB ANC09LA019](https://openairdocs.org/ntsb/ANC09LA019.md): Construcciones Aeronauticas C-212-CC · Kotzebue, AK · Accident · No injuries · Limited investigation · Final report · Feb 14, 2009 · N440RA · Substantial damage
  > The flight crew's decision to continue flight into adverse weather. Contributing to the accident was blowing snow which limited their visibility during final approach to land.
- [NTSB ERA09FA145](https://openairdocs.org/ntsb/ERA09FA145.md): Piper PA-34-200T · Huntington, WV · Accident · 6 fatal · Field investigation · Final report · Jan 30, 2009 · N8047C · Destroyed
  > (1) The pilot’s failure to perform adequate preflight planning and to use available in flight resources in a timely manner and (2) his decision to continue visual-flight-rules flight in instrument meteorological conditions despite his lack of an instrument…
- [NTSB SEA08LA105](https://openairdocs.org/ntsb/SEA08LA105.md): Glasair Glasair III · Cheyenne, WY · Accident · 1 fatal · Limited investigation · Final report · Apr 7, 2008 · C-GGTM · Substantial damage
  > The pilot's improper decision to continue VFR flight into instrument meteorological weather conditions. Contributing to the accident were low ceilings, snow and whiteout conditions.
- [NTSB NYC08CA083](https://openairdocs.org/ntsb/NYC08CA083.md): Robinson R44 II · Fenner, NY · Accident · Minor injuries · Data collection · Final report · Jan 15, 2008 · N122AA · Substantial damage
  > The pilot's delayed decision to perform a precautionary landing. Contributing to the accident was the reduced visibility in snow and the soft 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."mKey" IN (SELECT f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f."findingCode", '03035045'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-findings/03035045/cases

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