NTSB investigations
26 cases where NTSB found Freezing rain/sleet.
Cases per year
| 2008 | 1 |
|---|---|
| 2009 | 2 |
| 2011 | 1 |
| 2012 | 2 |
| 2013 | 2 |
| 2014 | 1 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 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 f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f.\"findingCode\", '03035040')) 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 f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f."findingCode", '03035040')) 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 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 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 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 ERA23FA024Accident · 2 fatalClass 3 · FieldFinal reportBeech E-90 · Marietta, OHStructural icing on the tailplane that resulted in a tailplane stall and subsequent loss of control.NTSB CEN22FA032Accident · 2 fatalClass 3 · FieldFinal reportBeech E-90 · Boyne City, MIThe pilot’s failure to maintain sufficient airspeed and his exceedance of the airplane’s critical angle of attack while in icing conditions, which resulted in an aerodynamic stall and subsequent ground impact.NTSB CEN22FA023Accident · 2 fatalClass 3 · FieldFinal reportBeech P35 · Harrison, NEThe pilot’s decision to continue the flight into instrument and icing conditions, which resulted in loss of control and impact with terrain. Contributing to the accident was the pilot’s failure to obtain a timely weather briefing.NTSB ANC21LA073Accident · No injuriesClass 3 · LimitedFinal reportCessna 208 · Fairbanks, AKThe pilot’s unexpected encounter with supercooled liquid droplets (SLD), which resulted in a loss of control due to ice accumulation. Contributing to the accident were: (1) the pilot’s failure to maintain the minimum airspeed for flight in icing conditions,…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 CEN19FA100Accident · 1 fatalClass 2 · FieldFinal reportCessna 421 · Plain City, OHA loss of airspeed indication due to icing of the airplane's pitot probe, and the pilot's loss of control while maneuvering.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 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 CEN18LA094Accident · No injuriesLimited investigationFinal reportRaytheon 400A · Cleveland, OHThe airplane's reduced braking performance due to an ice-covered runway, which resulted in a runway excursion. Contributing to the accident was the crew's selection of a runway with a tailwind.NTSB ERA17FA181Accident · 4 fatalField investigationFinal reportMitsubishi MU2B · Eleuthera, BahamasThe pilot's intentional flight into an area of known icing and convective thunderstorm activity, which resulted in a loss of control of the airplane.NTSB CEN17CA114Accident · No injuriesData collectionFinal reportCessna 340A · Waukesha, WIThe pilot’s decision to fly in in conditions conducive to structural icing and her subsequent failure to maintain airplane control during the instrument approach.NTSB WPR17FA008Accident · 1 fatalField investigationFinal reportCessna 182D · South Lake Tahoe, CAThe noninstrument-rated pilot's decision to depart on and continue a flight over mountainous terrain into forecast instrument metrological conditions, icing, and hazardous wind conditions that exceeded the airplanes performance capabilities and resulted in an…NTSB CEN15FA040Accident · 3 fatalField investigationFinal reportCirrus Design SR22 · Grover Hill, OHThe airplane's encounter with supercooled large droplet (SLD) icing, which resulted in a loss of lift and a subsequent uncontrolled descent into terrain. Also causal was the pilot's preflight and in-flight decision to fly in known icing conditions in an…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 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 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 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 CEN09MA142Accident · Serious injuriesClass 1 · MajorFinal reportAerospatiale Alenia ATR 42-320 · Lubbock, TXThe flight crew's failure to monitor and maintain a minimum safe airspeed while executing an instrument approach in icing conditions, which resulted in an aerodynamic stall at low altitude. Contributing to the accident were 1) the flight crew's failure to…NTSB CEN09CA120Accident · No injuriesData collectionFinal reportBeech 58 · Brainerd, MNThe pilot's improper flare which resulted in a hard landing. Contributing to the accident was the unforcasted freezing rain that obscured the windscreen and hindered the pilot's ability to judge the height of the airplane above the runway.NTSB CEN09FA099Accident · 1 fatalField investigationFinal reportPiper PA-32R · North Canton, OHThe pilot’s inappropriate control inputs as a result of spatial disorientation, which led to an aerodynamic stall and loss of control. Contributing to the accident were the pilot's decision to conduct flight into known icing conditions, ice accumulation that…