# NTSB investigations: Freezing rain/sleet 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 ERA25LA111](https://openairdocs.org/ntsb/ERA25LA111.md): Cirrus Design SR22 · New Lexington, OH · Accident · Serious injuries · Class 4 · Limited · Final report · Feb 5, 2025 · N406SR · Substantial damage > The pilot’s flight into previously forecasted freezing rain, which resulted in ice accretion, reduced forward visibility, and a subsequent landing undershoot. - [NTSB WPR24FA124](https://openairdocs.org/ntsb/WPR24FA124.md): Gulfstream 695A · San Bernardino, CA · Accident · 1 fatal · Class 3 · Field · Final report · Apr 14, 2024 · N965BC · Destroyed > The pilot’s continued use of the airplane’s autopilot after flight into moderate to severe icing conditions, which resulted in an exceedance of the airplane’s critical angle of attack and an aerodynamic stall. - [NTSB ERA24FA176](https://openairdocs.org/ntsb/ERA24FA176.md): Piper PA-32R-301 · Knoxville, TN · Accident · 1 fatal · Class 3 · Field · Final report · Apr 12, 2024 · N9236J · Destroyed > The pilot’s decision to depart into an area of instrument meteorological and icing conditions, which resulted in loss of airplane control and a subsequent in-flight breakup. - [NTSB ANC23LA065](https://openairdocs.org/ntsb/ANC23LA065.md): Beech B36TC · Cape Yakataga, AK · Accident · 2 fatal · Class 3 · Limited · Final report · Aug 27, 2023 · N6709Q · Destroyed > The pilot’s continued flight into moderate to severe icing conditions, including supercooled large droplets, over mountainous terrain, which resulted in a loss of control and impact with terrain. Contributing to the accident was the National Weather Service… - [NTSB CEN23FA220](https://openairdocs.org/ntsb/CEN23FA220.md): Vans RV7 · Gibbon, NE · Accident · 1 fatal · Class 3 · Field · Final report · Jun 2, 2023 · N977RV · Destroyed > The pilot’s improper decision to fly the airplane into known adverse weather and icing conditions which resulted in a loss of control. - [NTSB ERA23FA024](https://openairdocs.org/ntsb/ERA23FA024.md): Beech E-90 · Marietta, OH · Accident · 2 fatal · Class 3 · Field · Final report · Oct 18, 2022 · N515GK · Substantial damage > Structural icing on the tailplane that resulted in a tailplane stall and subsequent loss of control. - [NTSB CEN22FA032](https://openairdocs.org/ntsb/CEN22FA032.md): Beech E-90 · Boyne City, MI · Accident · 2 fatal · Class 3 · Field · Final report · Nov 15, 2021 · N290KA · Destroyed > The pilot’s failure to maintain sufficient airspeed and his exceedance of the airplane’s critical angle of attack while in icing conditions, which resulted in an aerodynamic stall and subsequent ground impact. - [NTSB CEN22FA023](https://openairdocs.org/ntsb/CEN22FA023.md): Beech P35 · Harrison, NE · Accident · 2 fatal · Class 3 · Field · Final report · Oct 31, 2021 · N8625M · Substantial damage > The pilot’s decision to continue the flight into instrument and icing conditions, which resulted in loss of control and impact with terrain. Contributing to the accident was the pilot’s failure to obtain a timely weather briefing. - [NTSB ANC21LA073](https://openairdocs.org/ntsb/ANC21LA073.md): Cessna 208 · Fairbanks, AK · Accident · No injuries · Class 3 · Limited · Final report · Aug 16, 2021 · N97HA · Substantial damage > The pilot’s unexpected encounter with supercooled liquid droplets (SLD), which resulted in a loss of control due to ice accumulation. Contributing to the accident were: (1) the pilot’s failure to maintain the minimum airspeed for flight in icing conditions,… - [NTSB CEN21LA030](https://openairdocs.org/ntsb/CEN21LA030.md): Cessna 210 · Lubbock, TX · Accident · 1 fatal · Class 3 · Limited · Final report · Oct 26, 2020 · N9622T · Destroyed > The pilot’s improper decision to fly into icing conditions with an airplane that was not equipped for icing, which led to structural icing and a subsequent loss of airplane control, and the pilot’s impairment from carbon monoxide poisoning due to a cracked… - [NTSB CEN19FA100](https://openairdocs.org/ntsb/CEN19FA100.md): Cessna 421 · Plain City, OH · Accident · 1 fatal · Class 2 · Field · Final report · Mar 17, 2019 · N424TW · Destroyed > A loss of airspeed indication due to icing of the airplane's pitot probe, and the pilot's loss of control while maneuvering. - [NTSB CEN18LA146](https://openairdocs.org/ntsb/CEN18LA146.md): Cessna T303 · Pine Ridge, SD · Accident · Minor injuries · Limited investigation · Final report · Apr 24, 2018 · N9746C · Substantial damage > The airplane’s inadvertent encounter with severe icing conditions during descent, which resulted in structural icing, the pilot’s inability to maintain altitude, and an emergency landing. Contributing to the accident was an incomplete preflight weather… - [NTSB CEN18FA144](https://openairdocs.org/ntsb/CEN18FA144.md): Cirrus Design SR22 · Williamsburg, PA · Accident · 2 fatal · Field investigation · Final report · Apr 19, 2018 · N451TD · Destroyed > The pilot's failure to obtain an updated weather briefing before the flight and his subsequent loss of airplane control due to spatial disorientation while maneuvering in instrument meteorological conditions during a diversion to an alternate airport after… - [NTSB CEN18LA094](https://openairdocs.org/ntsb/CEN18LA094.md): Raytheon 400A · Cleveland, OH · Accident · No injuries · Limited investigation · Final report · Feb 5, 2018 · N570TM · Substantial damage > The airplane's reduced braking performance due to an ice-covered runway, which resulted in a runway excursion. Contributing to the accident was the crew's selection of a runway with a tailwind. - [NTSB ERA17FA181](https://openairdocs.org/ntsb/ERA17FA181.md): Mitsubishi MU2B · Eleuthera, Bahamas · Accident · 4 fatal · Field investigation · Final report · May 15, 2017 · N220N · Destroyed > The pilot's intentional flight into an area of known icing and convective thunderstorm activity, which resulted in a loss of control of the airplane. - [NTSB CEN17CA114](https://openairdocs.org/ntsb/CEN17CA114.md): Cessna 340A · Waukesha, WI · Accident · No injuries · Data collection · Final report · Feb 25, 2017 · N255BC · Substantial damage > The pilot’s decision to fly in in conditions conducive to structural icing and her subsequent failure to maintain airplane control during the instrument approach. - [NTSB WPR17FA008](https://openairdocs.org/ntsb/WPR17FA008.md): Cessna 182D · South Lake Tahoe, CA · Accident · 1 fatal · Field investigation · Final report · Oct 15, 2016 · N8718X · Destroyed > The noninstrument-rated pilot's decision to depart on and continue a flight over mountainous terrain into forecast instrument metrological conditions, icing, and hazardous wind conditions that exceeded the airplanes performance capabilities and resulted in an… - [NTSB CEN15FA040](https://openairdocs.org/ntsb/CEN15FA040.md): Cirrus Design SR22 · Grover Hill, OH · Accident · 3 fatal · Field investigation · Final report · Nov 6, 2014 · N811CD · Destroyed > The airplane's encounter with supercooled large droplet (SLD) icing, which resulted in a loss of lift and a subsequent uncontrolled descent into terrain. Also causal was the pilot's preflight and in-flight decision to fly in known icing conditions in an… - [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 CEN13FA122](https://openairdocs.org/ntsb/CEN13FA122.md): Bell Helicopter 407 · Clear Lake, IA · Accident · 3 fatal · Field investigation · Final report · Jan 3, 2013 · N445MT · Destroyed > The pilot’s inadvertent encounter with localized icing conditions and his subsequent in-flight loss of helicopter control. - [NTSB CEN13FA105](https://openairdocs.org/ntsb/CEN13FA105.md): Beech E-90 · Amarillo, TX · Accident · 2 fatal · Field investigation · Final report · Dec 15, 2012 · N67PS · Substantial damage > The pilot’s loss of control of the airplane after encountering icing conditions and heavy to extreme turbulence and the subsequent exceedance of the airplane’s design limit, which led to an in-flight breakup. - [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 WPR11FA228](https://openairdocs.org/ntsb/WPR11FA228.md): Bellanca 17-30A · Rock Springs, WY · Accident · 2 fatal · Field investigation · Final report · May 18, 2011 · N93577 · Substantial damage > The pilot’s decision to continue flight into an area of known adverse weather, which resulted in an accumulation of structural ice that led to a loss of control and in-flight breakup. Also causal was the pilot’s inadequate preflight weather planning. - [NTSB CEN09MA142](https://openairdocs.org/ntsb/CEN09MA142.md): Aerospatiale Alenia ATR 42-320 · Lubbock, TX · Accident · Serious injuries · Class 1 · Major · Final report · Jan 27, 2009 · N902FX · Substantial damage > The flight crew's failure to monitor and maintain a minimum safe airspeed while executing an instrument approach in icing conditions, which resulted in an aerodynamic stall at low altitude. Contributing to the accident were 1) the flight crew's failure to… - [NTSB CEN09CA120](https://openairdocs.org/ntsb/CEN09CA120.md): Beech 58 · Brainerd, MN · Accident · No injuries · Data collection · Final report · Jan 3, 2009 · N70DD · Substantial damage > The pilot's improper flare which resulted in a hard landing. Contributing to the accident was the unforcasted freezing rain that obscured the windscreen and hindered the pilot's ability to judge the height of the airplane above the runway. - [NTSB CEN09FA099](https://openairdocs.org/ntsb/CEN09FA099.md): Piper PA-32R · North Canton, OH · Accident · 1 fatal · Field investigation · Final report · Dec 19, 2008 · N9299N · Destroyed > The pilot’s inappropriate control inputs as a result of spatial disorientation, which led to an aerodynamic stall and loss of control. Contributing to the accident were the pilot's decision to conduct flight into known icing conditions, ice accumulation that… ## 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", '03035040')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb-findings/03035040/cases --- 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.