Fatal NTSB investigations
21 cases where the defining event was Structural icing.
Cases per year
| 2008 | 4 |
|---|---|
| 2009 | 1 |
| 2011 | 2 |
| 2012 | 1 |
| 2013 | 1 |
| 2015 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2021 | 2 |
| 2023 | 4 |
| 2024 | 2 |
| 2026 | 1 |
Where
Open the mapLatest cases
Query with SQL
duckdb -csv -c "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"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
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
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB CEN27FA016Accident · 6 fatalClass 3 · FieldPreliminary reportPiper PA 46-350P · Reedsburg, WIOn 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 WPR24FA124Accident · 1 fatalClass 3 · FieldFinal reportGulfstream 695A · San Bernardino, CAThe 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 ERA24FA176Accident · 1 fatalClass 3 · FieldFinal reportPiper PA-32R-301 · Knoxville, TNThe 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 CEN24FA046Accident · 2 fatalClass 3 · FieldFinal reportSocata TBM 700 · Ludington, MIThe 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 ANC23LA065Accident · 2 fatalClass 3 · LimitedFinal reportBeech B36TC · Cape Yakataga, AKThe 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 CEN23FA220Accident · 1 fatalClass 3 · FieldFinal reportVans RV7 · Gibbon, NEThe pilot’s improper decision to fly the airplane into known adverse weather and icing conditions which resulted in a loss of control.NTSB WPR23FA080Accident · 1 fatalClass 3 · FieldFinal reportEmbraer Executive EMB-505 · Provo, UTThe 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 WPR22FA023Accident · 1 fatalClass 3 · FieldFinal reportMooney M20M · Snoqualmie, WAThe pilot’s decision to fly the airplane into known icing conditions, which resulted in a loss of airplane control and collision with terrain.NTSB CEN21FA198Accident · 4 fatalClass 3 · FieldFinal reportPiper PA-46-310P · Danville, ARThe 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 WPR19FA154Accident · 2 fatalClass 2 · FieldFinal reportCirrus SR22 · Grover, UTThe 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 CEN19FA029Accident · 2 fatalField investigationFinal reportBeech 55 · Liberal, KSThe 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 CEN15FA119Accident · 1 fatalField investigationFinal reportCessna 182L · Owen, WIThe 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 DCA13WA050Accident · 21 fatalForeign investigationBombardier CL600 2B19 · Almaty, KazakhstanThe 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 WPR13FA041Accident · 1 fatalField investigationFinal reportAmerican AA-1 · Morgan, UTThe 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 WPR11FA228Accident · 2 fatalField investigationFinal reportBellanca 17-30A · Rock Springs, WYThe 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 ERA11FA182Accident · 1 fatalField investigationFinal reportDiamond DA-40 · Allagash, METhe 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 WPR09LA263Accident · 2 fatalLimited investigationFinal reportLanham Lancair IV · Seligman, AZThe pilot's loss of airplane control during en route descent while operating in known icing conditions.NTSB NYC08LA176Accident · 2 fatalLimited investigationFinal reportDesalvatore Al Lancair IV-P · Snow Hill, NCAn 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 DFW08FA131Accident · 1 fatalField investigationFinal reportCessna 182 · Black Hawk, COThe 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 NYC08FA139Accident · 2 fatalField investigationFinal reportMooney M20C · Atkins, VAThe 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 CHI08FAMS2Accident · 1 fatalMissing aircraftFinal reportPiper PA-28-161 · Vik, IcelandThe 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.