# NTSB investigations: Structural icing

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.

Page 1 of 3 · 102 cases

## Latest cases

- [NTSB WPR26LA126](https://openairdocs.org/ntsb/WPR26LA126.md): Cirrus Design SR20 · Redington, AZ · Accident · Minor injuries · Class 4 · Limited · Final report · Mar 10, 2026 · N619AV · Substantial damage
  > The pilot’s improper decision to continue the flight into icing conditions, which resulted in the accumulation of airframe icing and a subsequent aerodynamic stall.
- [NTSB CEN26LA213](https://openairdocs.org/ntsb/CEN26LA213.md): Textron 182T · Newberry, MI · Accident · No injuries · Class 3 · Limited · Preliminary report · Jan 22, 2026 · N116D · Substantial damage
  > On January 22, 2026, about 18:40 eastern standard time, a Cessna 182T, N116D was substantially damaged when it was involved in an accident near Newberry, Michigan. The pilot was not injured. The airplane was operated under the provisions of Title 14 Code of…
- [NTSB ERA25LA130](https://openairdocs.org/ntsb/ERA25LA130.md): Piper PA-28-235 · Manchester, VT · Accident · Serious injuries · Class 4 · Limited · Final report · Feb 26, 2025 · N43DN · Substantial damage
  > The pilot’s improper decision to continue the visual flight rules flight into instrument meteorological conditions, which resulted in the accumulation of airframe icing and a subsequent aerodynamic stall/spin.
- [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 WPR25LA053](https://openairdocs.org/ntsb/WPR25LA053.md): Gulfstream AM Corp Comm Div 690D · Spokane, WA · Accident · No injuries · Class 3 · Limited · Final report · Dec 2, 2024 · N29GA · Substantial damage
  > A partial loss of engine(s) power due ice ingestion.
- [NTSB CEN25LA053](https://openairdocs.org/ntsb/CEN25LA053.md): Piper PA-28R-200 · Boscobel, WI · Accident · No injuries · Class 3 · Limited · Final report · Dec 2, 2024 · N41997 · Substantial damage
  > The ice obstruction of the engine oil breather tube and alternate air outlet, which resulted in a failure of the crankcase oil seal and loss of engine oil. Contributing to the accident was the incorrect engine oil breather tube installed in the airplane by…
- [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 ERA24FA209](https://openairdocs.org/ntsb/ERA24FA209.md): Rockwell International 690A · Palmyra, VA · Accident · 2 fatal · Class 3 · Field · Final report · May 5, 2024 · N690BM · Destroyed
  > The pilot’s loss of control following an encounter with structural icing, which resulted in an inflight breakup of the airplane.
- [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 ERA24LA094](https://openairdocs.org/ntsb/ERA24LA094.md): Cessna 208 · Dulles, VA · Incident · No injuries · Class 3 · Limited · Final report · Jan 19, 2024 · N1983X · Minor damage
  > The pilot-in-command’s approach to the critical angle of attack during initial climb, which resulted in a vibration the flight crew improperly identified as an engine issue and resulted in the subsequent off-airport landing. Contributing to the accident was…
- [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 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 WPR23FA188](https://openairdocs.org/ntsb/WPR23FA188.md): Cessna T182T · Albany, WY · Accident · 2 fatal · Class 3 · Field · Final report · May 14, 2023 · N665B · Destroyed
  > The pilot’s decision to conduct flight into an area of icing in an airplane that was prohibited from such conditions, which resulted in exceedance of the airplane’s critical angle of attack, an aerodynamic stall/spin, and the pilot’s spatial disorientation…
- [NTSB WPR23FA141](https://openairdocs.org/ntsb/WPR23FA141.md): Cirrus Design SR22 · Oxbow, OR · Accident · 2 fatal · Class 3 · Field · Final report · Apr 2, 2023 · N424SW · Destroyed
  > The pilot’s continued visual flight into instrument meteorological conditions, resulting in airframe ice accretion and a subsequent loss of airplane control.
- [NTSB CEN23LA138](https://openairdocs.org/ntsb/CEN23LA138.md): Socata TB21 · Eden Prairie, MN · Accident · Serious injuries · Class 4 · Limited · Final report · Mar 12, 2023 · N789TB · Destroyed
  > The pilot’s continued flight into icing conditions in an airplane that was not equipped for icing, which led to structural icing, subsequent loss of airplane control and impact with terrain.
- [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 CEN23LA091](https://openairdocs.org/ntsb/CEN23LA091.md): Cessna 150G · Pocahantas, IA · Accident · No injuries · Class 4 · Limited · Final report · Dec 20, 2022 · N2930J · Substantial damage
  > The pilot’s landing flare which resulted in a bounced landing and the nose landing gear collapsing. Contributing to the accident was the airplane's encounter with adverse weather conditions which led to structural icing that affected flight characteristics…
- [NTSB WPR22FA173](https://openairdocs.org/ntsb/WPR22FA173.md): Blue Side UP Comp AIR 8 SS52 · Grasmere, ID · Accident · 2 fatal · Class 3 · Field · Final report · May 8, 2022 · N801DT · Substantial damage
  > The pilot’s failure to maintain proper airspeed and his exceedance of the airplane’s critical angle of attack, which resulted in an aerodynamic stall.
- [NTSB ERA22LA191](https://openairdocs.org/ntsb/ERA22LA191.md): Piper PA-32-260 · Grantsville, MD · Accident · Minor injuries · Class 3 · Limited · Final report · Apr 16, 2022 · N3618W · Substantial damage
  > The pilot’s decision to continue the flight into an area of moderate to heavy icing conditions, which resulted in a degradation of airplane performance and subsequent loss of control.
- [NTSB ANC22LA013](https://openairdocs.org/ntsb/ANC22LA013.md): Leach Michael Rans S7S · Winnemucca, NV · Accident · Minor injuries · Class 4 · Limited · Final report · Jan 16, 2022 · N828S · Substantial damage
  > The pilot’s failure to ensure the airplane’s wings were free of contaminates before departure.
- [NTSB WPR22FA023](https://openairdocs.org/ntsb/WPR22FA023.md): Mooney M20M · Snoqualmie, WA · Accident · 1 fatal · Class 3 · Field · Final report · Oct 28, 2021 · N40KA · Substantial damage
  > The pilot’s decision to fly the airplane into known icing conditions, which resulted in a loss of airplane control and collision with terrain.
- [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 CEN21FA238](https://openairdocs.org/ntsb/CEN21FA238.md): Lancair Evolution · McDermott, OH · Accident · 2 fatal · Class 3 · Field · Final report · May 28, 2021 · N515DL · Destroyed
  > The pilot’s failure to recognize and avoid airframe icing conditions, which resulted in a loss of airplane performance and a subsequent loss of control and in-flight break-up.
- [NTSB CEN21FA198](https://openairdocs.org/ntsb/CEN21FA198.md): Piper PA-46-310P · Danville, AR · Accident · 4 fatal · Class 3 · Field · Final report · Apr 23, 2021 · N461DK · Substantial damage
  > The pilot’s improper decision to continue flight in an area of moderate-to-heavy icing conditions, which resulted in exceedance of the airplane’s anti-icing system capabilities, a degradation of aircraft performance, and subsequent aerodynamic stall.
- [NTSB ERA21LA122](https://openairdocs.org/ntsb/ERA21LA122.md): Piper PA46 · Leicester, MA · Accident · Serious injuries · Class 3 · Limited · Final report · Feb 2, 2021 · N221ST · Substantial damage
  > The pilot’s failure to maintain the minimum airspeed for flight in icing conditions, which resulted in a loss of elevator control during approach due to ice accumulation.
- [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 CEN20FA075](https://openairdocs.org/ntsb/CEN20FA075.md): Cessna 182 · Chatham, LA · Accident · 3 fatal · Class 3 · Field · Final report · Feb 6, 2020 · N60381 · Destroyed
  > The pilot’s encounter with icing in-flight, which resulted in a loss of control and impact with terrain.
- [NTSB CEN20LA028](https://openairdocs.org/ntsb/CEN20LA028.md): BAE BAE125 · Detroit, MI · Accident · No injuries · Class 3 · Limited · Final report · Dec 3, 2019 · N469RJ · Substantial damage
  > The pilots’ failure to increase approach speed as recommended for flight in icing conditions, which resulted in an aerodynamic stall and subsequent impact with terrain. Contributing to the accident was the failure of the stall warning system to advise the…
- [NTSB GAA20CA075](https://openairdocs.org/ntsb/GAA20CA075.md): Cessna 182 · Broomfield, CO · Accident · No injuries · Data collection · Final report · Nov 6, 2019 · N97596 · Substantial damage
  > The pilot’s inadvertent flight into icing conditions, which resulted in the accumulation of structural icing and an aerodynamic stall.
- [NTSB WPR19FA154](https://openairdocs.org/ntsb/WPR19FA154.md): Cirrus SR22 · Grover, UT · Accident · 2 fatal · Class 2 · Field · Final report · May 24, 2019 · N809SR · Destroyed
  > The pilot's encounter with moderate to severe icing conditions during cruise flight, which resulted in structural icing and a subsequent loss of control. Contributing to the accident was the pilot’s decision to continue a flight route through known moderate…
- [NTSB ANC19FA038](https://openairdocs.org/ntsb/ANC19FA038.md): Cessna 172 · Skwentna, AK · Accident · 1 fatal · Class 2 · Field · Final report · Mar 7, 2019 · N7469A · Substantial damage
  > The pilot’s decision to depart into marginal visual flight rule conditions in mountainous terrain with the potential for icing, and the airplane’s accumulation of structural icing, which resulted in the pilot’s inability to maintain airplane control and the…
- [NTSB GAA19CA096](https://openairdocs.org/ntsb/GAA19CA096.md): Beech 36 · Hartford, WI · Accident · No injuries · Data collection · Final report · Dec 12, 2018 · N6650M · Substantial damage
  > The pilot's exceedance of the airplane's critical angle of attack, which resulted in an aerodynamic stall and impact with terrain during landing in icing conditions.
- [NTSB CEN19FA029](https://openairdocs.org/ntsb/CEN19FA029.md): Beech 55 · Liberal, KS · Accident · 2 fatal · Field investigation · Final report · Nov 17, 2018 · N4817M · Substantial damage
  > The pilot's improper decision to fly in an area where moderate icing conditions were forecasted in an airplane that was not certified for such conditions, and in the effort to get out of the icing conditions, his decision to fly below the minimum descent…
- [NTSB ERA19FA039](https://openairdocs.org/ntsb/ERA19FA039.md): Cessna 310 · Walton, NY · Accident · 1 fatal · Field investigation · Final report · Nov 9, 2018 · N5044J · Destroyed
  > An in-flight fire of undetermined origin. Contributing to the accident were the severe icing conditions encountered during the final minutes of the flight, which led to a loss of airplane control.
- [NTSB CEN19FA008](https://openairdocs.org/ntsb/CEN19FA008.md): Cessna 182 · Canoncito, NM · Accident · 2 fatal · Class 3 · Field · Final report · Oct 16, 2018 · N9326G · Substantial damage
  > The partial loss of engine power due to induction system icing. Contributing to the accident was the fractured carburetor heat control cable, which rendered the carburetor heat inoperative.
- [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 CEN18FA143](https://openairdocs.org/ntsb/CEN18FA143.md): Beech G33 · Warsaw, OH · Accident · 2 fatal · Field investigation · Final report · Apr 16, 2018 · N9345Q · Substantial damage
  > The pilot's decision to continue flight in known icing conditions, which resulted in structural icing, degraded airplane performance, and a subsequent loss of control. Contributing to the accident was the pilot's failure to obtain an official weather briefing…
- [NTSB CEN18LA077](https://openairdocs.org/ntsb/CEN18LA077.md): Bryk Steven L Velocity XL RG · Santa Fe, NM · Accident · Serious injuries · Class 3 · Limited · Final report · Jan 16, 2018 · N787SB · Substantial damage
  > The airplane’s inadvertent encounter with unforecasted icing conditions during cruise flight, which resulted in the accumulation of airframe icing, the airplane’s inability to maintain altitude, and a subsequent forced landing on rough terrain.
- [NTSB ANC17TA015](https://openairdocs.org/ntsb/ANC17TA015.md): Piper PA-32 · Pilot Point, AK · Accident · Serious injuries · Final report · Jan 17, 2017 · N4261T · Substantial damage
  > The pilot's continued flight into known icing conditions, which resulted in structural icing and a forced landing on icy, snow-covered terrain.
- [NTSB CEN17LA076](https://openairdocs.org/ntsb/CEN17LA076.md): Cessna 182T · Green Bay, WI · Accident · No injuries · Limited investigation · Final report · Jan 11, 2017 · C-GTBI · Substantial damage
  > The airplane’s encounter with unforecast icing conditions, which led to structural icing that obscured the pilot’s vision, an aerodynamic stall, and a subsequent hard landing.
- [NTSB ANC17FA004](https://openairdocs.org/ntsb/ANC17FA004.md): Fairchild Heli-Porter Pilatus PC-6 · Port Alsworth, AK · Accident · 1 fatal · Field investigation · Final report · Oct 29, 2016 · N5308F · Substantial damage
  > The airplane's collision with mountainous terrain while operating in an area of reduced visibility and icing conditions. Contributing to the accident was the pilot's inadequate preflight planning, which would have identified deteriorating weather conditions…
- [NTSB GAA16CA107](https://openairdocs.org/ntsb/GAA16CA107.md): Piper PA 46 · Ottawa, KS · Accident · Minor injuries · Data collection · Final report · Jan 19, 2016 · N113WB · Substantial damage
  > The flight crews encounter with un-forecasted freezing rain resulting in an uncontrolled descent, forced landing, and substantial damage to the airplane's firewall, and forward pressure bulkhead.
- [NTSB CEN16LA093](https://openairdocs.org/ntsb/CEN16LA093.md): Socata TBM700 · Wichita, KS · Accident · No injuries · Limited investigation · Final report · Jan 19, 2016 · N602MA · Substantial damage
  > The pilot’s failure to maintain the minimum-recommended approach airspeed in icing conditions, which resulted in a loss of airplane control.
- [NTSB CEN16LA098](https://openairdocs.org/ntsb/CEN16LA098.md): Cessna 441 · Fargo, ND · Accident · No injuries · Limited investigation · Final report · Jan 8, 2016 · N779CC · Substantial damage
  > The pilot’s failure to cycle the surface deice boots during the instrument approach in icing conditions, which led to ice accumulation on the leading edges of the wings and empennage, and resulted in an aerodynamic stall and subsequent hard landing.
- [NTSB CEN16LA076](https://openairdocs.org/ntsb/CEN16LA076.md): Beech 200 · Gary, IN · Accident · No injuries · Limited investigation · Final report · Dec 30, 2015 · N999VB · Substantial damage
  > The pilot's failure to maintain the glidepath and appropriate airspeed during landing in icing conditions, which resulted in an aerodynamic stall and a hard landing.
- [NTSB CEN15FA119](https://openairdocs.org/ntsb/CEN15FA119.md): Cessna 182L · Owen, WI · Accident · 1 fatal · Field investigation · Final report · Jan 26, 2015 · N3181R · Substantial damage
  > The flight instructor's decision to initiate flight into forecasted icing conditions in an airplane that was not certified or equipped for flight into icing conditions, which resulted in significant structural ice accumulation to the extent that the airplane…
- [NTSB ERA15CA100](https://openairdocs.org/ntsb/ERA15CA100.md): Shannon William RV6A · Pikeville, KY · Accident · Minor injuries · Data collection · Final report · Jan 14, 2015 · N32SN · Substantial damage
  > The pilot's failure to maintain airspeed during landing, which resulted in an aerodynamic stall. Contributing to the accident was the pilot's failure to obtain a preflight weather briefing, and his subsequent flight into icing conditions, which resulted in…

Next page: https://openairdocs.org/ntsb-events/210/sequence.md?page=2

## 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 s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '210' 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/210/sequence

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