NTSB investigations
102 cases where the sequence of events included Structural icing.
Cases, newest first
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 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."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 CEN15LA091Accident · No injuriesLimited investigationFinal reportCessna 208B · Roswell, NMThe pilot's failure to maintain adequate airspeed to compensate for icing on the airplane's wings and control surfaces during a circling approach, which resulted in an aerodynamic stall and impact with terrain.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 CEN15LA021Accident · No injuriesLimited investigationFinal reportRaytheon 58 · Dixon, ILThe pilots’ improper decision to continue flight in icing conditions after the deicing boots could not shed accumulated ice, which resulted in a temporary loss of airplane control.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 DCA14FA058Accident · No injuriesClass 3 · FieldFinal reportEmbraer EMB145 - EP · Memphis, TNthe failure of the flight crew to adequately monitor the system for proper operation and manually activate the system during the flight in icing conditions. Contributing to the accident was the crew's limited training on the manual operation of the anti-ice…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 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 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 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 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 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 CEN13LA198Accident · No injuriesLimited investigationFinal reportPiper PA 46-350P · Rogers, ARThe pilot’s failure to maintain control due to a sudden turbulence encounter while on final approach. Contributing to the accident was ice buildup on the wings’ leading edges.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 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 ANC12IA024Incident · No injuriesIncident investigationFinal reportBombardier Learjet 35A · Anchorage, AKThe flightcrew's loss of visual reference to the runway after encountering severe in-flight icing conditions, which resulted in a loss of control while landing and exceedence of the capabilities of the airplane's windscreen anti-ice systems. Contributing to…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 ANC12CA016Accident · Minor injuriesData collectionFinal reportCessna 207A · Kwigillingok, AKThe pilot’s decision to continue visual flight into instrument meteorological conditions with moderate icing, which resulted in structural icing and an aerodynamic stall.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 CEN12CA104Accident · No injuriesData collectionFinal reportCessna 421B · Pampa, TXThe pilot's inadequate aircraft control during landing, which resulted in a hard landing.NTSB ERA11LA344Accident · No injuriesLimited investigationFinal reportBeech A100 · Gray, TNAn encounter with convectively-induced turbulence and icing, which resulted in an in-flight upset and a loss of airplane control.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 CEN11FA144Accident · Minor injuriesField investigationFinal reportGates Learjet 35A · Springfield, ILThe pilot’s decision to conduct an instrument approach in icing conditions without the anti-ice system activated, contrary to the airplane flight manual guidance, which resulted in an inadvertent aerodynamic stall due to an in-flight accumulation of airframe…NTSB CEN11CA135Accident · No injuriesData collectionFinal reportAllen Raymond H Lancair Legacy · Troy, MIThe pilot's failure to maintain adequate airspeed during the landing which resulted in an inadvertent stall. Contributing to the accident was the structural icing on the airframe.NTSB ERA11LA099Accident · No injuriesLimited investigationFinal reportBeech F35 · Syracuse, NYThe pilot’s failure to maintain adequate airspeed during landing with airframe structural icing, resulting in an aerodynamic stall and subsequent hard landing. Contributing to the accident was the pilot’s continued flight into known icing conditions.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 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 CEN10LA090Accident · No injuriesLimited investigationFinal reportBeech C-99 · Kearney, NEThe failure of the pilot to maintain adequate airspeed during the approach resulting in a stall. Contributing to the accident was the accumulation of structural icing during the flight.NTSB CEN10LA068Accident · No injuriesLimited investigationFinal reportBeech V35 · Dodge City, KSThe failure of the pitot heat system in icing conditions resulting in an inoperative airspeed indicator which led to an inadvertant stall while on final approach. Contributing to the accident was the pilot's decision to fly into known icing conditions.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 ANC09LA038Accident · Minor injuriesLimited investigationFinal reportCessna TU206 · Bethel, AKThe pilot’s failure to remove visible frost from the wings during the preflight inspection, and his failure to maintain adequate airspeed to avoid a stall. Contributing to the accident were conditions conducive to structural icing/frost.NTSB CEN09LA206Accident · No injuriesLimited investigationFinal reportCessna 402B · Aberdeen, SDThe pilot's continued flight into adverse weather and icing conditions, and his failure to maintain aircraft control resulting in a hard landing. Contributing to the accident was the accumulation of airframe ice and the strong, gusting crosswinds.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 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 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 CEN09LA095Accident · No injuriesLimited investigationFinal reportCessna 402 · Madison, WIThe pilot’s improper fuel management, which resulted in a loss of engine power during an instrument landing due to fuel exhaustion.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 ANC09LA012Accident · Minor injuriesLimited investigationFinal reportCessna 207 · Napaskiak, AKThe pilot's continued flight into adverse weather and icing conditions, and his failure to maintain sufficient airspeed to avoid a stall, resulting in a loss of control and in-flight collision with terrain while on an approach to land.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.