Fatal NTSB investigations
47 cases where the sequence of events included Structural icing.
Cases per year
| 2008 | 4 |
|---|---|
| 2009 | 2 |
| 2010 | 1 |
| 2011 | 3 |
| 2012 | 5 |
| 2013 | 6 |
| 2014 | 2 |
| 2015 | 1 |
| 2016 | 1 |
| 2018 | 5 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 6 |
| 2024 | 3 |
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 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"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 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
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 ERA24FA209Accident · 2 fatalClass 3 · FieldFinal reportRockwell International 690A · Palmyra, VAThe pilot’s loss of control following an encounter with structural icing, which resulted in an inflight breakup of the airplane.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 WPR23FA188Accident · 2 fatalClass 3 · FieldFinal reportCessna T182T · Albany, WYThe 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 WPR23FA141Accident · 2 fatalClass 3 · FieldFinal reportCirrus Design SR22 · Oxbow, ORThe pilot’s continued visual flight into instrument meteorological conditions, resulting in airframe ice accretion and a subsequent loss of airplane 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 WPR22FA173Accident · 2 fatalClass 3 · FieldFinal reportBlue Side UP Comp AIR 8 SS52 · Grasmere, IDThe 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 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 CEN21FA238Accident · 2 fatalClass 3 · FieldFinal reportLancair Evolution · McDermott, OHThe 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 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 CEN21LA030Accident · 1 fatalClass 3 · LimitedFinal reportCessna 210 · Lubbock, TXThe 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 CEN20FA075Accident · 3 fatalClass 3 · FieldFinal reportCessna 182 · Chatham, LAThe pilot’s encounter with icing in-flight, which resulted in a loss of control and impact with terrain.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 ANC19FA038Accident · 1 fatalClass 2 · FieldFinal reportCessna 172 · Skwentna, AKThe 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 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 ERA19FA039Accident · 1 fatalField investigationFinal reportCessna 310 · Walton, NYAn 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 CEN19FA008Accident · 2 fatalClass 3 · FieldFinal reportCessna 182 · Canoncito, NMThe 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 CEN18FA144Accident · 2 fatalField investigationFinal reportCirrus Design SR22 · Williamsburg, PAThe 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 CEN18FA143Accident · 2 fatalField investigationFinal reportBeech G33 · Warsaw, OHThe 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 ANC17FA004Accident · 1 fatalField investigationFinal reportFairchild Heli-Porter Pilatus PC-6 · Port Alsworth, AKThe 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 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 DCA15MA029Accident · 6 fatalClass 1 · MajorFinal reportEmbraer EMB-500 · Gaithersburg, MDthe pilot's conduct of an approach in structural icing conditions without turning on the airplane's wing and horizontal stabilizer deice system, leading to ice accumulation on those surfaces, and without using the appropriate landing performance speeds for…NTSB ERA14FA112Accident · 4 fatalField investigationFinal reportGulfstream AM Corp Comm Div 690 · Bellevue, TNThe pilot's failure to maintain airspeed with one engine inoperative, which resulted in a loss of control while on approach. Contributing to the accident were airframe ice accumulation due to conditions conducive to icing and the loss of engine power on one…NTSB WPR14FA094Accident · 5 fatalField investigationFinal reportBeech B36TC · Yellow Pine, IDThe pilot’s continued flight into known light-to-moderate icing conditions over mountainous terrain. Contributing to the accident was the loss of engine power due to induction icing.NTSB CEN14FA009Accident · 2 fatalField investigationFinal reportCessna 500 · Derby, KSThe airplane's encounter with severe icing conditions, which resulted in structural icing, and the pilot's increased workload and subsequent disorientation while maneuvering in instrument flight rules (IFR) conditions with malfunctioning flight instruments,…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 CEN13FA130Accident · 4 fatalField investigationFinal reportRaytheon 58 · Maxwell, NEThe pilot’s inadvertent encounter with severe icing conditions, which resulted in structural icing and the subsequent loss of airplane control.NTSB WPR13FA086Accident · 2 fatalField investigationFinal reportBeech V35A · Woody, CAAn in-flight encounter with icing conditions during descent, which resulted in the airplane exceeding its critical angle-of-attack and experiencing an aerodynamic stall followed by an in-flight breakup.NTSB CEN13FA122Accident · 3 fatalField investigationFinal reportBell Helicopter 407 · Clear Lake, IAThe pilot’s inadvertent encounter with localized icing conditions and his subsequent in-flight loss of helicopter control.NTSB WPR13FA072Accident · 1 fatalField investigationFinal reportPiper PA-31-350 · Payson, AZThe airplane’s inadvertent encounter, in night instrument meteorological conditions, with unforecast strong up- and downdrafts and possibly severe airframe icing conditions (which likely included supercooled large droplets that the airplane was not…NTSB CEN13FA105Accident · 2 fatalField investigationFinal reportBeech E-90 · Amarillo, TXThe 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 CEN13FA096Accident · 3 fatalField investigationFinal reportMBB BK 117 A-3 · Compton, ILThe 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 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 CEN12FA161Accident · 2 fatalField investigationFinal reportCessna 414A · Hayden, COThe pilot’s inadvertent stall during a missed approach. Contributing to the accident was the pilot’s operation of the airplane in forecasted icing conditions without using all of its anti-ice systems.NTSB ERA12FA115Accident · 5 fatalField investigationFinal reportSocata TBM 700 · Morristown, NJThe airplane’s encounter with unforecasted severe icing conditions that were characterized by high ice accretion rates and the pilot's failure to use his command authority to depart the icing conditions in an expeditious manner, which resulted in a loss of…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 ERA11FA095Accident · 1 fatalField investigationFinal reportMooney M20R · Dundee, NYThe pilot's decision to operate in known moderate-to-severe icing conditions, which resulted in a loss of control during approach.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 CEN09FA135Accident · 3 fatalField investigationFinal reportGulfstream Aerospace Commander · Wray, COThe pilot’s failure to maintain aircraft control during the approach resulting in an aerodynamic stall and subsequent impact with terrain. Contributing to the accident was the pilot’s improper preflight planning and conditions conducive for structural icing.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.