# Fatal 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.

## Latest cases

- [NTSB CEN27FA016](https://openairdocs.org/ntsb/CEN27FA016.md): Piper PA 46-350P · Reedsburg, WI · Accident · 6 fatal · Class 3 · Field · Preliminary report · Oct 14, 2026 · N931TT · Destroyed
  > On October 13, 2026, about 2130 central daylight time, a Piper Aircraft PA-46-350P JetProp DLX airplane, N931TT, was destroyed when it was involved in an accident near Reedsburg, Wisconsin. The pilot, the pilot-rated passenger, and the four passengers…
- [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 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 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 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 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 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 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 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 DCA13WA050](https://openairdocs.org/ntsb/DCA13WA050.md): Bombardier CL600 2B19 · Almaty, Kazakhstan · Accident · 21 fatal · Foreign investigation · Jan 29, 2013 · UP-CJ006 · Destroyed
  > The Accident Investigation Department of the Ministry of Transport and Communications of the Republic of Kazakhstan has notified the NTSB of an accident involving a Bombardier Challenger CRJ-200, registration UP-CJ006, which occurred on January 29, 2013. The…
- [NTSB WPR13FA041](https://openairdocs.org/ntsb/WPR13FA041.md): American AA-1 · Morgan, UT · Accident · 1 fatal · Field investigation · Final report · Nov 15, 2012 · N5642L · Substantial damage
  > The pilot's inadequate preflight inspection, which resulted in frost remaining on the airplane's surfaces and led to its inability to produce enough lift to clear rising terrain.
- [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 ERA11FA182](https://openairdocs.org/ntsb/ERA11FA182.md): Diamond DA-40 · Allagash, ME · Accident · 1 fatal · Field investigation · Final report · Mar 7, 2011 · CGPDO · Substantial damage
  > The pilot's inadvertent encounter with icing conditions, which resulted in an aerodynamic stall and loss of control. Contributing was the pilots’ inadequate preflight weather planning.
- [NTSB WPR09LA263](https://openairdocs.org/ntsb/WPR09LA263.md): Lanham Lancair IV · Seligman, AZ · Accident · 2 fatal · Limited investigation · Final report · May 23, 2009 · N144L · Substantial damage
  > The pilot's loss of airplane control during en route descent while operating in known icing conditions.
- [NTSB NYC08LA176](https://openairdocs.org/ntsb/NYC08LA176.md): Desalvatore Al Lancair IV-P · Snow Hill, NC · Accident · 2 fatal · Limited investigation · Final report · May 8, 2008 · N101BX · Destroyed
  > An inadvertent encounter with icing conditions, resulting in a loss of aircraft control. Contributing to the accident was the pilot's inadequate preflight and in-flight decision making.
- [NTSB DFW08FA131](https://openairdocs.org/ntsb/DFW08FA131.md): Cessna 182 · Black Hawk, CO · Accident · 1 fatal · Field investigation · Final report · May 8, 2008 · N8553S · Substantial damage
  > The loss of engine power due to induction icing. A contributing factor was the pilot's decision to continue flight in conditions favorable for structural and induction-system icing.
- [NTSB NYC08FA139](https://openairdocs.org/ntsb/NYC08FA139.md): Mooney M20C · Atkins, VA · Accident · 2 fatal · Field investigation · Final report · Mar 16, 2008 · C-FRSK · Destroyed
  > The pilot's improper decision to take off in conditions conducive to icing, and his inability to maintain control of the airplane during an in-flight accumulation of structural ice.
- [NTSB CHI08FAMS2](https://openairdocs.org/ntsb/CHI08FAMS2.md): Piper PA-28-161 · Vik, Iceland · Accident · 1 fatal · Missing aircraft · Final report · Feb 21, 2008 · N60842 · Substantial damage
  > The pilot's decision to fly into an area of forecast weather suitable for structural icing. Contributing to the accident was the effect of the structural icing encountered.

## 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."highestInjuryLevel" = 'Fatal'
  AND c."mKey" IN (SELECT e.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e."isDefiningEvent" AND e."tier2Number" = '210')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/210/cases?fatal=1

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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.