NTSB investigations
45 cases where the defining event was Structural icing.
Cases per year
| 2008 | 5 |
|---|---|
| 2009 | 3 |
| 2010 | 2 |
| 2011 | 2 |
| 2012 | 3 |
| 2013 | 5 |
| 2014 | 1 |
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 1 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 4 |
| 2024 | 6 |
| 2025 | 1 |
| 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.\"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."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 WPR26LA126Accident · Minor injuriesClass 4 · LimitedFinal reportCirrus Design SR20 · Redington, AZThe 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 ERA25LA111Accident · Serious injuriesClass 4 · LimitedFinal reportCirrus Design SR22 · New Lexington, OHThe pilot’s flight into previously forecasted freezing rain, which resulted in ice accretion, reduced forward visibility, and a subsequent landing undershoot.NTSB WPR25LA053Accident · No injuriesClass 3 · LimitedFinal reportGulfstream AM Corp Comm Div 690D · Spokane, WAA partial loss of engine(s) power due ice ingestion.NTSB CEN25LA053Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-28R-200 · Boscobel, WIThe 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 WPR25LA029Accident · Serious injuriesClass 3 · LimitedFinal reportDaher TBM700 · Pinedale, WYThe 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 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 ERA24LA094Incident · No injuriesClass 3 · LimitedFinal reportCessna 208 · Dulles, VAThe 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 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 ERA22LA191Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA-32-260 · Grantsville, MDThe 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 ANC22LA013Accident · Minor injuriesClass 4 · LimitedFinal reportLeach Michael Rans S7S · Winnemucca, NVThe pilot’s failure to ensure the airplane’s wings were free of contaminates before departure.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 ERA21LA122Accident · Serious injuriesClass 3 · LimitedFinal reportPiper PA46 · Leicester, MAThe 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 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 CEN18LA146Accident · Minor injuriesLimited investigationFinal reportCessna T303 · Pine Ridge, SDThe 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 CEN18LA077Accident · Serious injuriesClass 3 · LimitedFinal reportBryk Steven L Velocity XL RG · Santa Fe, NMThe 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 CEN17LA076Accident · No injuriesLimited investigationFinal reportCessna 182T · Green Bay, WIThe 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 GAA16CA107Accident · Minor injuriesData collectionFinal reportPiper PA 46 · Ottawa, KSThe 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 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 CEN14IA139Incident · No injuriesIncident investigationFinal reportCirrus Design SR22 · Gunnison, COThe pilot's improper decision to initiate the flight into an area with forecast icing conditions, which resulted in an encounter with in-flight icing conditions that prevented the airplane from being able to maintain altitude.NTSB ANC14CA010Accident · Minor injuriesData collectionFinal reportBellanca 7GCBC · Soldotna, AKThe operation of the airplane by the uncertificated student pilot, his failure to recognize conditions conducive to structural icing, and subsequent decision to depart in conditions conducive to structural icing, resulting in a severe icing encounter and…NTSB CEN14LA074Accident · Serious injuriesLimited investigationFinal reportPiper PA 28-181 · Rock Lake, NDThe noninstrument-rated pilot’s failure to obtain weather briefings immediately before and during the flight and his continued flight into icing conditions, which resulted in the airplane’s loss of performance and the subsequent controlled descent into trees…NTSB CEN14FA032Accident · Serious injuriesField investigationFinal reportGlasair Aviation USA Sportsman GS-2 · Castle Rock, COThe pilot’s improper decision to continue flight into known icing conditions, which adversely affected the airplane’s performance and resulted in a loss of airplane control.NTSB ANC13CA107Accident · No injuriesData collectionFinal reportPiper PA 18-150 · Wasilla, AKThe pilot's improper preflight inspection, and failure to remove heavy frost from the airplane prior to attempting a takeoff.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 CEN13CA005Accident · No injuriesData collectionFinal reportPiper PA-24-250 · Colorado Springs, COThe pilot’s failure to maintain airspeed during the landing with known structural icing, which resulted in the airplane’s stall. Contributing to the accident was the pilot’s failure to divert to an area where conditions were not conducive to icing.NTSB ANC12CA115Accident · No injuriesData collectionFinal reportCessna 182A · Port Lions, AKThe pilot's decision to take off with ice- and snow-contaminated wings.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 CEN10WA331Accident · No injuriesForeign investigationCirrus Design SR20 · Sirdal, NorwayOn May 28, 2010, at 1708 coordinated universal time (UTC), a Cirrus Design Corporation model SR20 airplane, s/n 1888, Norwegian registration LN-BCD, was substantially damaged when it impacted mountainous terrain near Sirdal, Norway. The flight had encountered…NTSB ANC10LA019Accident · No injuriesLimited investigationFinal reportCessna 208B · Kwigillingok, AKThe pilot's decision to take off with ice-contaminated wings in freezing rain and mist, which resulted in an aerodynamic stall.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 CEN09CA136Accident · No injuriesData collectionFinal reportBeech 19 · Lafayette, INThe pilot's inadvertent encounter with icing conditions during initial climb. Contributing to the accident were the lack of visibility during the landing due to an ice covered windscreen, and the structural ice that adversely affected the flight…NTSB CEN09LA122Accident · No injuriesLimited investigationFinal reportBeech A36TC · Three Rivers, MIThe pilot's decision to continue the flight into an area with conditions that were conducive to icing and the loss of engine power due to induction icing.NTSB WPR09CA051Accident · No injuriesData collectionFinal reportBeech B60 · Rock River, WYThe pilot's failure to maintain clearance from a power line due to the lack of forward visibility because of an ice-covered windshield. Contributing to the accident was the flight's encounter with icing weather 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.