NTSB investigations

33 cases where NTSB found Trailing edge flaps.

Cases per year

20082026
NTSB investigations per year, 2008–2026: 33 cases
20081
20092
20102
20116
20125
20131
20143
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20211
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20232

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 f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f.\"findingCode\", '01035753'))
  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 CEN23LA335Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-25-235 · Tyler, MNThe pilot’s improper flap position during takeoff, which resulted in degraded climb performance and a collision with terrain.Jul 28, 2023 · N7094Z · Substantial damageNTSB ERA23LA271Accident · Minor injuriesClass 4 · LimitedFinal reportCessna 172 · Seymore, TNThe flight instructor’s failure to properly configure the wing flaps for a soft-field takeoff on a short runway, which resulted in a runway overrun and collision with trees.Jun 18, 2023 · N12395 · Substantial damageNTSB ERA22LA116Accident · No injuriesClass 4 · LimitedFinal reportDehavilland DHC-2 · Gilbert, SCThe pilot’s improper flap setting, which resulted in a collision with trees during a takeoff attempt from a short grass field.Feb 5, 2022 · N1454Z · Substantial damageNTSB CEN21FA199Accident · 1 fatalClass 3 · FieldFinal reportCirrus Design SR22 · Port Aransas, TXThe pilot’s failure to maintain adequate airspeed during the go-around, which resulted in the airplane exceeding its critical angle of attack and a subsequent aerodynamic stall.Apr 24, 2021 · N587CD · DestroyedNTSB GAA19CA029Accident · No injuriesData collectionFinal reportCapital Holdings 226 CCX-2000 · Dahlonga, GAThe pilot's improper landing flare, which resulted in a bounced landing and his subsequent failure to maintain directional control. Also causal to the accident was the pilot’s failure to retract the flaps during the aborted landing, which resulted in the…Oct 18, 2018 · N468LM · Substantial damageNTSB GAA18CA575Accident · Serious injuriesData collectionFinal reportPiper PA28 · Spokane, WAThe pilot’s improper retraction of the flaps during a go-around, which resulted in the airplane’s failure to climb and its subsequent collision with trees.Sep 29, 2018 · N40825 · Substantial damageNTSB GAA18CA287Accident · No injuriesData collectionFinal reportMaule M 7 · Burnet, TXThe pilot’s failure to maintain directional control during landing in gusting wind conditions and with an incorrect flap configuration.May 19, 2018 · N427LS · Substantial damageNTSB ERA17LA141Accident · No injuriesLimited investigationFinal reportCessna R182 · Mooresville, NCThe pilot's failure to properly configure the airplane's flaps for takeoff, which resulted in a longer ground roll and subsequent runway excursion.Mar 29, 2017 · N2383C · Substantial damageNTSB ERA16LA322Accident · No injuriesLimited investigationFinal reportAero Vodochody L 39 · Norfolk, VAAn uncommanded flap retraction for reasons that could not be determined, as a postaccident examination of the flap system did not reveal evidence of any preaccident anomalies.Sep 23, 2016 · N139AJ · Substantial damageNTSB CEN16LA342Accident · No injuriesLimited investigationFinal reportFairchild M 62A-3 · Madison, OHThe pilot's failure to follow the Before Takeoff checklist and his improper use of flaps during takeoff, which degraded the airplane's climb performance and resulted in a collision with trees.Aug 30, 2016 · N47164 · Substantial damageNTSB GAA16CA157Accident · No injuriesData collectionFinal reportCessna 172 · Nashville, TNThe pilot's excessive pitch up and incorrect action of selecting flaps to zero degrees, which resulted in a tail strike during a go-around in crosswind conditions.Mar 20, 2016 · N118ET · Substantial damageNTSB CEN15LA343Accident · Serious injuriesLimited investigationFinal reportCessna 172G · Hartington, NEThe pilot’s decision to use an excessive, unapproved flap setting for takeoff, which significantly increased the induced drag and resulted in an aerodynamic stall when the airplane flew out of ground effect.Aug 8, 2015 · N5800R · Substantial damageNTSB ERA15LA274Accident · No injuriesLimited investigationFinal reportCessna 172S · Linden, NJThe pilot’s delayed decision to reject the takeoff, which resulted in a runway overrun. Contributing to the accident was the pilot’s failure to properly configure the flaps for maximum takeoff performance with the airplane near its maximum gross weight.Jul 19, 2015 · N962SP · Substantial damageNTSB CEN15IA076Incident · No injuriesIncident investigationFinal reportCessna 182S · Springfield, ILThe improper installation of a doubler patch, which prevented the right flap from actuating and moving properly and led to the subsequent interference with the aileron.Dec 10, 2014 · N661SP · Minor damageNTSB CEN14FA435Accident · 1 fatalField investigationFinal reportCessna 172N · Natchitoches, LAThe partial loss of engine power due to the exhaust valve rocker retaining stud backing out of the cylinder head, which resulted in the exhaust valve being stuck in the closed position. Contributing to the accident was the pilot’s failure to configure the…Aug 17, 2014 · N734YW · Substantial damageNTSB ANC14FA022Accident · 2 fatalField investigationFinal reportCessna 208B · Kwethluk, AKThe check airman's delayed remedial action and initiation of a recovery procedure after a simulated pitch trim excursion, which resulted in a loss of airplane control.Apr 8, 2014 · N126AR · DestroyedNTSB ENG13IA027Incident · No injuriesIncident investigationFinal reportBoeing 747 · Atlanta, GAFailure of the right inboard foreflap outboard fitting due to fatigue and bearing anomalies on the sequence carriages which resulted in the partial separation of the right inboard foreflap. Contributing to the incident was the failure of maintenance personnel…May 19, 2013 · B18701 · Minor damageNTSB ERA13LA037Accident · No injuriesLimited investigationFinal reportCessna 172D · Indian Trail, NCThe pilot’s improper use of flaps for takeoff, which resulted in the airplane’s failure to attain adequate climb airspeed and subsequent collision will trees during takeoff.Oct 20, 2012 · N2879U · Substantial damageNTSB CEN12LA500Accident · No injuriesLimited investigationFinal reportAir Tractor AT-502B · Newellton, LAThe pilot's inadequate takeoff planning and his use of an improper flap setting, which resulted in a runway excursion and collision with terrain during takeoff.Aug 1, 2012 · N5128U · Substantial damageNTSB CEN12LA459Accident · Serious injuriesLimited investigationFinal reportAir Tractor AT-502B · Wisner, LAThe pilot’s inadequate takeoff planning that did not consider the reduced acceleration due to a rough, turf runway and his use of an improper flap setting, which resulted in a collision with terrain during takeoff.Jul 18, 2012 · N205SK · Substantial damageNTSB WPR12FA297Accident · Serious injuriesField investigationFinal reportMooney M20L · Scottsdale, AZThe pilot's failure to maintain airplane control during an aborted landing, and the flight instructor’s delayed remedial action. Contributing to the accident were the pilot’s improper landing flare, which resulted in a bounced landing, and his premature flap…Jul 9, 2012 · N137MP · Substantial damageNTSB ERA12CA414Accident · No injuriesData collectionFinal reportCessna 177 · West Milford, NJThe pilot's improper full flap retraction while performing a go-around maneuver, which resulted in a loss of airplane control.Jun 23, 2012 · N30163 · Substantial damageNTSB CEN12LA059Accident · 1 fatalLimited investigationFinal reportCessna 172M · Sturgis, SDThe student pilot’s failure to maintain control of the airplane during takeoff with extended flaps.Nov 11, 2011 · N13584 · Substantial damageNTSB WPR11CA338Accident · Serious injuriesData collectionFinal reportRolladen Schneider OHG LS-3-17 · Adelanto, CAThe pilot's incorrect use of the flap control pitch control recovery which resulted in an aerodynamic stall.Jul 16, 2011 · N84AM · Substantial damageNTSB WPR11CA295Accident · No injuriesData collectionFinal reportCessna 172S · Price, UTThe pilot's decision to attempt a takeoff at a density altitude outside of the takeoff performance envelope of the aircraft along with using an aircraft flap setting higher than the manufacture's recommended setting for takeoff.Jun 27, 2011 · N674SP · Substantial damageNTSB WPR11LA272Accident · 1 fatalLimited investigationFinal reportAir Tractor AT-301 · Hogeland, MTCollision with the ground while maneuvering at low altitude for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.Jun 21, 2011 · N3661B · Substantial damageNTSB CEN11LA352Accident · No injuriesLimited investigationFinal reportAero Commander 100-180 · Athens, OHThe pilot's failure to maintain adequate airspeed in the flare which resulted in a stall and a hard landing.May 21, 2011 · N4016X · Substantial damageNTSB WPR11LA169Accident · No injuriesLimited investigationFinal reportCirrus SR22 · Mesa, AZThe pilot's attempt to correct a landing float by adding power, followed by his premature attempt to climb the airplane out of ground effect during a balked landing, which resulted in an aerodynamic stall. Contributing to the accident was the pilot's failure…Mar 19, 2011 · N329SM · Substantial damageNTSB DCA10CA061Accident · No injuriesData collectionFinal reportBoeing 747 · Miami, FLimpact of the fore flap with the aft fuselage after fatigue failure of the right wing fore flap carriage assembly attachment fitting at position 6.May 17, 2010 · N498MC · Substantial damageNTSB CEN10FA097Accident · 4 fatalField investigationFinal reportMitsubishi MU-2B-60 · Elyria, OHThe pilot's failure to maintain adequate airspeed during the instrument approach, which resulted in an aerodynamic stall and impact with terrain.Jan 18, 2010 · N80HH · DestroyedNTSB CEN09FA393Accident · 3 fatalField investigationFinal reportPiper PA-32R-300 · Lakeview, ARThe pilot's poor judgment/decision making in attempting the no-flap takeoff, his failure to comply with weight and balance limitations, and his failure to calculate the airplane's performance under exiting conditions.Jun 26, 2009 · N38171 · Substantial damageNTSB ERA09FA345Accident · 3 fatalField investigationFinal reportPiper PA-28R-180 · Scotia, NYThe flight instructor's failure to ensure that the airplane was properly configured for a short field takeoff, and his decision to not abort the takeoff.Jun 14, 2009 · N3226R · Substantial damageNTSB LAX08FA301Accident · Serious injuriesField investigationFinal reportCessna 172S · Fullerton, CAThe pilot's failure to follow the takeoff checklist and verify the proper flap setting before takeoff.Oct 1, 2008 · N2190W · Substantial damage