NTSB investigations

42 cases where the defining event was Settling with power/vortex ring state.

Cases per year

20082026
NTSB investigations per year, 2008–2026: 42 cases
20082
20092
20104
20114
20125
20133
20145
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20193
20202
20212
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20242
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Latest 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\" = '244')
  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.

NTSB ANC25LA099Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Petersville, AKThe pilot’s exceedance of the helicopter’s available power while landing in a remote confined area, which resulted in rotor droop and a hard landing.Aug 29, 2025 · N74435 · Substantial damageNTSB ERA24LA327Accident · No injuriesClass 4 · LimitedFinal reportEnstrom 280FX · Russellville, KYThe flight instructor’s failure to maintain sufficient rotor rpm while maneuvering the helicopter low to the ground, which resulted in a loss of control.Jul 27, 2024 · N280D · Substantial damageNTSB ERA24LA287Accident · No injuriesClass 4 · LimitedFinal reportAirbus Helicopters AS350 · Sanford, FLThe helicopter pilot’s improper maneuvering at low altitude in gusty wind conditions, which resulted in the helicopter entering a vortex ring state, and hard landing during a subsequent autorotation.Jun 27, 2024 · N174SC · Substantial damageNTSB WPR23LA061Accident · Minor injuriesClass 4 · LimitedFinal reportEurocopter EC 130 B4 · Waimea, HIThe pilot's loss of helicopter control on approach to land due to entering a vortex ring state condition, which resulted in a hard landing.Dec 8, 2022 · N130WS · Substantial damageNTSB CEN22LA033Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R22 Beta · Freer, TXThe pilot’s encounter with ‘settling with power’ while maneuvering at a low altitude, which resulted in a rapid descent and subsequent hard landing.Nov 10, 2021 · N7198A · Substantial damageNTSB WPR21LA236Accident · No injuriesClass 4 · LimitedFinal reportBell UH-1H · Townsend, MTThe pilot’s failure to maintain helicopter control after an encounter with settling with power during approach at an altitude that was too low for recovery, which resulted in a hard landing.Jun 15, 2021 · N398M · DestroyedNTSB ERA21LA040Accident · No injuriesClass 4 · LimitedFinal reportBell 206 · Raleigh, NCThe pilot's loss of helicopter control after entry into vortex ring state, which resulted in main rotor blade contact with the tailboom, and impact with the ground.Nov 8, 2020 · N123NC · Substantial damageNTSB ERA20LA273Accident · 1 fatalClass 3 · LimitedFinal reportEurocopter EC130 · Knoxville, TNThe pilot's entry into vortex ring state and his inability to arrest the helicopter's descent while maneuvering for landing.Aug 3, 2020 · N55GJ · Substantial damageNTSB GAA19CA345Accident · Serious injuriesData collectionFinal reportS M & T UH · Northway, AKThe pilot's failure to maintain a proper descent rate during landing, which resulted in impact with terrain.Jun 10, 2019 · N64771 · Substantial damageNTSB ERA19WA167Accident · No injuriesForeign investigationBell 206 · Sabanalarga, ColombiaThe government of Colombia has notified the NTSB of an accident involving a BELL 206 helicopter that occurred on April 30, 2019. The NTSB has appointed a U.S. Accredited Representative to assist the government of Colombia's investigation under the provisions…Apr 30, 2019 · HK3321 · Substantial damageNTSB ERA19TA153Accident · No injuriesClass 3Final reportRobinson R22 · Bradenton Beach, FLThe pilot's improper decision to execute a low altitude turn that resulted in a strong tailwind and to reduce the airspeed to 0 knots and the flight instructor's diverted attention and inadequate monitoring, which resulted in the helicopter settling with…Apr 13, 2019 · N689M · Substantial damageNTSB GAA18CA430Accident · No injuriesData collectionFinal reportRobinson R44 · Okawville, ILThe pilot's improper preflight weight and balance calculation, which resulted in his operating the helicopter over its maximum gross takeoff weight and in its subsequent failure to climb.Jul 9, 2018 · N944DC · Substantial damageNTSB CEN17LA192Accident · No injuriesLimited investigationFinal reportRobinson Helicopter R66 · Canon City, COThe pilot’s loss of helicopter control on approach to land due to a vortex ring state (settling with power) condition, which resulted in a hard landing.May 20, 2017 · N778TL · Substantial damageNTSB ERA16LA159Accident · No injuriesLimited investigationFinal reportEurocopter France AS350 · Jasper, GAThe pilot's loss of helicopter control due to vortex ring state, which resulted in a hard landing. Contributing to the accident was the pilot’s decision to conduct the landing approach with a tailwind.Apr 15, 2016 · N561AM · Substantial damageNTSB CEN15LA224Accident · Serious injuriesLimited investigationFinal reportEnstrom F-28F · Argyle, TXThe pilot and flight instructor's inadvertent encounter with settling with power during a confined area takeoff at an altitude that was too low for recovery.May 6, 2015 · N8011Q · Substantial damageNTSB GAA15CA032Accident · No injuriesData collectionFinal reportRobinson Helicopter R22 Beta · Fort Davis, TXThe pilot's failure to maintain control of the helicopter during flight, which resulted in the helicopter impacting terrain.Apr 3, 2015 · N8363D · Substantial damageNTSB CEN15FA164Accident · 1 fatalField investigationFinal reportAirbus Helicopters (Eurocopte EC-130-B4 · St Louis, MOThe pilot's decision to land during unfavorable wind conditions, which resulted in a loss of control due to settling with power. Contributing to the accident were the lack of an adequate approach path due to numerous obstructions and the lack of available…Mar 7, 2015 · N356AM · DestroyedNTSB WPR15CA063Accident · No injuriesData collectionFinal reportEurocopter AS 350 B2 Ecureuil · Bicknell, UTThe pilot's failure to prevent the helicopter from settling with power while maneuvering at a low altitude, which resulted in a loss of control and subsequent hard landing.Dec 16, 2014 · N352SL · Substantial damageNTSB WPR14FA324Accident · Serious injuriesField investigationFinal reportS.N.I.A.S. AS350B · Tahoma, CAThe pilot's loss of helicopter control due to settling with power while maneuvering for takeoff.Aug 1, 2014 · N3597T · Substantial damageNTSB WPR14CA290Accident · Minor injuriesData collectionFinal reportBell 47K · Kingston, WAThe pilot's failure to maintain aircraft control during the landing approach, which resulted in an excessive descent angle and settling with power.Jul 11, 2014 · N88771 · Substantial damageNTSB ANC14CA042Accident · No injuriesData collectionFinal reportRobinson Helicopter R44 II · Coldfoot, AKThe pilot's failure to maintain adequate main rotor rpm while maneuvering at a low altitude, which resulted in an emergency landing on uneven terrain.Jun 18, 2014 · N74713 · Substantial damageNTSB CEN14CA252Accident · No injuriesData collectionFinal reportAerospatiale AS 365 N2 Dauphin · Constantine, MIThe pilot's loss of control while entering a vortex ring state (settling with power) condition, which resulted in a hard landing.May 25, 2014 · N365WM · Substantial damageNTSB CEN14CA082Accident · No injuriesData collectionFinal reportSikorsky S 76B · Port Fourchon, LAThe pilot's loss of control of the helicopter when it entered a settling with power condition during sudden gusty wind conditions on takeoff resulting in the helicopter subsequently impacting terrain.Dec 5, 2013 · N707MY · Substantial damageNTSB WPR13LA303Accident · Serious injuriesLimited investigationFinal reportBell 206L-3 · Missoula, MTThe pilot's failure to prevent the helicopter from settling with power and to maintain proper position relative to an external load, which resulted in a loss of control and subsequent hard landing.Jun 28, 2013 · N868H · Substantial damageNTSB ERA13CA283Accident · No injuriesData collectionFinal reportHughes TH-55A · Morgantown, WVThe pilot’s inadequate planning which resulted in an encounter with settling with power and descent into terrain during takeoff.Jun 12, 2013 · N7057H · Substantial damageNTSB WPR13CA057Accident · Minor injuriesData collectionFinal reportHughes 369D · Sheridan, ORThe pilot’s failure to prevent the helicopter from entering a vortex ring state (settling with power) condition during an external load operation, which resulted in the helicopter’s main rotor blades impacting the truck.Nov 27, 2012 · N163PJ · Substantial damageNTSB WPR13LA025Accident · Minor injuriesLimited investigationFinal reportRobinson Helicopter R22 Mariner · Lake Havasu, AZThe pilot’s unintentional and unrecognized entry into a vortex ring state as a result of conducting a course reversal turn into a tailwind while at a low altitude and airspeed, which resulted in an uncontrolled descent into water.Oct 27, 2012 · N2627M · Substantial damageNTSB WPR13LA023Accident · No injuriesLimited investigationFinal reportRobinson Helicopter R-44 II · Toutle, WAThe pilot’s failure to maintain precise altitude control, which resulted in the helicopter entering a settling with power condition while hovering out of ground effect.Oct 26, 2012 · N7530F · Substantial damageNTSB ERA13LA018Accident · No injuriesLimited investigationFinal reportSikorsky S-55B · Yorktown, NYThe pilot's improper decision to perform a downwind precautionary landing and the helicopter’s resultant settling with power and impact with terrain.Oct 12, 2012 · N443FD · Substantial damageNTSB CEN12LA282Accident · No injuriesLimited investigationFinal reportBell 206B-III · Flora, INThe pilot allowed the helicopter to settle with power.May 9, 2012 · N1069Z · Substantial damageNTSB ERA12LA063Accident · Minor injuriesLimited investigationFinal reportRobinson Helicopter R22 Beta · West Palm Beach, FLThe pilot’s failure to maintain airspeed during a low-altitude turn into gusty tailwind conditions, which resulted in a loss of translational lift and settling with power. Contributing to the accident was the pilot's lack of total flight experience.Nov 5, 2011 · N413RM · Substantial damageNTSB ERA11LA409Accident · Serious injuriesLimited investigationFinal reportRobinson Helicopter R22 Beta · Dayton, NJThe pilot's inadequate compensation for wind during an out-of-ground-effect hover, which resulted in a loss of control due to settling with power and loss of tail rotor effectiveness.Jul 20, 2011 · N83509 · Substantial damageNTSB CEN11CA325Accident · No injuriesData collectionFinal reportRobinson Helicopter R44 II · Golden, COThe pilot’s decision to operate the helicopter at a high density altitude near terrain, which resulted in a settling with power condition.May 8, 2011 · N921JM · Substantial damageNTSB WPR11CA146Accident · No injuriesData collectionFinal reportHiller UH-12E · Colusa, CAThe pilot's failure to maintain an adequate airspeed and an inadvertent encounter with settling with power while flying downwind.Feb 26, 2011 · N236HA · Substantial damageNTSB ERA11CA059Accident · No injuriesData collectionFinal reportHiller-Rogerson Helicopter UH12E · Madison, FLThe pilot's encounter with a settling with power condition while he was performing slow, low-level, out-of- ground-effect flight maneuvers.Nov 15, 2010 · N4034Z · Substantial damageNTSB CEN10CA469Accident · Serious injuriesData collectionFinal reportHughes 269B · Lakeview, MIThe pilot's excessive descent angle during landing approach, which resulted in a settling with power condition.Aug 7, 2010 · N11XC · Substantial damageNTSB ERA10LA323Accident · No injuriesLimited investigationFinal reportSchweizer 269C-1 · Asheville, NCThe pilot's failure to maintain forward airspeed, which resulted in a settling with power encounter.Jun 21, 2010 · N247FG · Substantial damageNTSB ERA10CA134Accident · No injuriesData collectionFinal reportEnstrom F-28C · Fort Pierce, FLThe pilot's inadvertent encounter with settling with power while hovering downwind.Feb 6, 2010 · N426KA · Substantial damageNTSB WPR10CA057Accident · No injuriesData collectionFinal reportBell 206B · Lyons, ORThe pilot's inadvertent encounter with a vortex ring state (settling with power) condition while he was descending, and his improper initial remedial action.Nov 18, 2009 · N16869 · Substantial damageNTSB CEN09CA270Accident · No injuriesData collectionFinal reportRobinson Helicopter R44 II · Kent, TXThe pilot's failure to maintain control of the helicopter.Apr 23, 2009 · N518SJ · Substantial damageNTSB CHI08CA254Accident · No injuriesData collectionFinal reportBell 47G-3B · Kenyon, MNThe pilot's inadequate preflight planning which resulted in the helicopter settling with power.Aug 14, 2008 · N47AH · Substantial damageNTSB ANC08LA076Accident · No injuriesLimited investigationFinal reportEurocopter AS-350 BA · Chickaloon, AKThe pilot's incorrect actions during an out-of ground-effect hover, which resulted in the helicopter entering a main rotor ring vortex state, and a settling with power condition, producing an excessive descent rate and collision with terrain.Jun 23, 2008 · N357CH · Substantial damage