NTSB investigations
74 cases where NTSB found TE flap control system.
Cases per year
| 2008 | 3 |
|---|---|
| 2009 | 5 |
| 2010 | 7 |
| 2011 | 4 |
| 2012 | 6 |
| 2013 | 3 |
| 2014 | 4 |
| 2015 | 1 |
| 2016 | 6 |
| 2017 | 4 |
| 2018 | 8 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 8 |
| 2025 | 3 |
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\", '01022750')) 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", '01022750')) 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 CEN26LA033Accident · Minor injuriesClass 4 · LimitedFinal reportCessna 182H · Lakeview, ARThe pilot’s failure to maintain a proper approach path during landing which resulted in a collision with terrain short of the runway. Contributing to the accident was the improper flap position during landing, and the pilot being fatigued.NTSB WPR25LA283Accident · Minor injuriesClass 4 · LimitedFinal reportCessna 150F · Rigby, IDThe flight instructor’s improper flap position during takeoff, which resulted in degraded climb performance and a subsequent impact with a building.NTSB ERA25LA322Accident · Minor injuriesClass 4 · LimitedFinal reportCessna 182 · Edgartown, MAThe accident was the pilot’s failure to properly configure the airplane for a soft-field takeoff, which resulted in his decision to abort the takeoff and the subsequent runway overrun.NTSB WPR24LA322Accident · No injuriesClass 4 · LimitedFinal reportVans RV-12 · Paris, IDThe pilot’s failure to properly configure the flaps, which resulted in a loss of directional control during takeoff.NTSB ERA24FA371Accident · 4 fatalClass 3 · FieldFinal reportPiper PA28R · Vergennes, VTThe flight instructor’s failure to maintain control of the airplane, which resulted in the airplane exceeding its critical angle of attack and entering an aerodynamic stall. Contributing to the accident was the flight instructor's failure to properly…NTSB CEN24LA328Accident · No injuriesClass 3 · LimitedFinal reportHawker Beechcraft Hawker 900XP · Telluride, COThe flight crew’s failure to properly configure the airplane for takeoff in a high-density altitude environment, which resulted in a loss of control and a subsequent runway excursion. Contributing to the accident was the flight crew’s failure to use…NTSB WPR24LA175Accident · Minor injuriesClass 4 · LimitedFinal reportDennis T Kirby/Michael B Kirby Murphy Rebel · Edgewood, NMThe pilot’s improper installation of the aileron and flap control systems, which resulted in a loss of directional control during the takeoff roll and subsequent runway excursion.NTSB ERA24LA224Accident · No injuriesClass 4 · LimitedFinal reportCirrus Design SR20 · Lagrangeville, NYThe pilot’s failure to maintain control of the airplane during the landing and subsequent go-around attempt. Also causal was the flight instructor’s delayed remedial action.NTSB CEN24LA178Accident · No injuriesClass 4 · LimitedFinal reportCessna 172M · Midland, TXThe pilot’s failure to maintain airplane control during a go-around in a gusting crosswind, which resulted in an aerodynamic stall and collision with terrain. Contributing to the accident was the pilot’s lack of system knowledge regarding the operation of the…NTSB CEN24FA164Accident · 1 fatalClass 3 · FieldFinal reportLancair Legacy FG · Spicewood, TXThe pilot’s failure to properly configure the airplane during a go-around in gusting wind conditions, and his subsequent exceedance of the airplane’s critical angle of attack, which resulted in an aerodynamic stall at an altitude too low for recovery.NTSB ERA24LA126Accident · Serious injuriesClass 3 · LimitedFinal reportCirrus Design SR20 · Key Largo, FLThe pilot’s improper go-around technique, which resulted in an aerodynamic stall at an altitude too low for recovery.NTSB WPR24LA017Accident · No injuriesClass 4 · LimitedFinal reportPiper PA 46-350P · Eastsound, WAThe pilot's unstable approach and improper configuration of the flaps during a go-around which resulted in an aerodynamic stall and subsequent impact with terrain.NTSB WPR23LA205Accident · No injuriesClass 4 · LimitedFinal reportPiaggio Aero Industries P180 · Sugar Land, TXThe pilot’s failure to complete required preflight checklist items and properly configure the flaps for takeoff.NTSB ERA23LA112Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-31-350 · Middlefield, OHA runway overrun during a precautionary landing following a total loss of right engine power due to detonation and subsequent oil starvation. Contributing was the pilot’s failure to lower the flaps and the excessive airspeed at touchdown.NTSB ERA22LA363Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 150H · Ellenville, NYBoth pilots’ decision to perform the takeoff near maximum gross weight with 10° of flaps, contrary to the owner’s manual procedure, which resulted in the airplane’s degraded climb performance approaching high terrain.NTSB ERA22LA177Accident · Serious injuriesClass 4 · LimitedFinal reportCessna 170 · Stoney Point, NCThe pilot’s failure to retract the flaps during a go-around from a bounced landing, which resulted in a collision with trees then terrain.NTSB CEN21LA332Accident · No injuriesClass 4 · LimitedFinal reportMadera RV-3 · Jacksonville, ILThe pilot’s improper flare during landing which resulted in an attempted go-around, loss of control, and aerodynamic stall.NTSB CEN21FA272Accident · 2 fatalClass 3 · FieldFinal reportAntenor Velazco Lancair Evolution · Parker, COThe pilot’s diversion of attention following an asymmetric flap deployment, which resulted in a descent and collision with powerlines. Contributing to the accident was maintenance personnel’s failure to properly secure the flap control rod attachment bolts,…NTSB WPR21FA203Accident · 1 fatalClass 3 · FieldFinal reportDassault Mirage F-1 · Las Vegas, NVThe pilot’s exceedance of the airplane’s critical angle of attack on approach and failure to fly a traffic pattern track consistent with a no-flap configuration. Contributing to the accident was the failure of the airplane’s flaps to extend while in the…NTSB WPR20LA325Accident · No injuriesClass 4 · LimitedFinal reportCessna T210 · Bridgeport, CAAn inadvertent retraction of the flaps during a go-around by the pilot-rated passenger, which caused the airplane to settle onto the runway with the landing gear retracted.NTSB ERA20CA291Accident · No injuriesClass 4 · Data collectionFinal reportTeam Rocket F1 Rocket · Finelyville, PAThe pilot's misjudgment of the airplane’s speed and altitude during the landing approach, and his failure to attain the proper touchdown point during landing, which resulted in a runway overrun. Contributing to the accident were his access to a limited set of…NTSB GAA19CA504Accident · No injuriesData collectionFinal reportCessna 182 · Oakland, CAThe pilot's premature full retraction of the flaps during a go-around and his subsequent improper decision to turn with a minimal climb gradient, which resulted in an off-airport landing and a landing gear collapse.NTSB CEN19TA205Accident · Serious injuriesClass 3Final reportBeech 23 · Vaiden, MSThe pilot's unstable approach and failure to properly configure the flaps during the attempted go-around, which resulted in an aerodynamic stall and impact with terrain.NTSB GAA19CA014Accident · No injuriesData collectionFinal reportCessna 172 · Stockton, CAThe student pilot's failure to maintain directional control during takeoff.NTSB WPR18FA251Accident · 1 fatalClass 2 · FieldFinal reportMooney M20J · Palo Alto, CAThe pilot’s failure to maintain aircraft control during a go-around due to his premature flap retraction, which resulted in an aerodynamic stall and subsequent loss of control.NTSB WPR18FA244Accident · 1 fatalField investigationFinal reportCessna 150 · Redding, CAThe pilot's exceedance of the airplane's critical angle of attack during the initial climb after takeoff, which resulted in an aerodynamic stall and loss of control. Contributing to the accident was the pilot's failure to properly configure the wing flaps for…NTSB CEN18LA344Accident · Serious injuriesClass 3 · LimitedFinal reportCessna 172 · Addison, TXThe pilot's improper flap setting for takeoff and subsequent exceedance of the airplane’s critical angle of attack, which resulted in an aerodynamic stall. Contributing was the overgross state of the airplane.NTSB CEN18LA246Accident · No injuriesLimited investigationFinal reportCessna 337 · Baldwin City, KSThe loss of hydraulic accumulator pressure for reasons that could not be determined, which prevented the propeller from unfeathering, and the pilot's improper decision to attempt a go-around, which resulted in an off-airport landing and the airplane impacting…NTSB ERA18FA174Accident · 1 fatalField investigationFinal reportCessna 172 · Diamondhead, MSThe student pilot's failure to retract the flaps following landing and the stall/mush that resulted during the subsequent full-flap takeoff and initial climb.NTSB GAA18CA300Accident · No injuriesData collectionFinal reportCessna 150 · Killeen, TXThe pilot’s failure to maintain adequate airspeed and his exceedance of the airplane’s critical angle of attack during a maximum performance takeoff, which resulted in an aerodynamic stall. Also causal was the pilot’s failure to use the appropriate flap…NTSB GAA18CA234Accident · No injuriesData collectionFinal reportPiper PA28 · Wickenburg, AZThe student pilot’s failure to relinquish flight controls and premature flap reduction during approach to land.NTSB ERA17FA272Accident · 1 fatalField investigationFinal reportCessna 172 · New Milford, CTThe flight instructor's failure to ensure that the wing flaps were properly configured for takeoff, which resulted in an aerodynamic stall and loss of control during the initial climb.NTSB CEN17FA287Accident · 2 fatalField investigationFinal reportAerofab Lake LA 4 250 · Oshkosh, WIThe pilot's failure to properly configure the airplane for takeoff and his decision to takeoff with a tailwind in unfavorable water conditions, which resulted in the airplane entering an aerodynamic stall and the pilot losing control.NTSB GAA17CA268Accident · No injuriesData collectionFinal reportCessna 172 · Kaunakakai, HIThe student pilot’s incorrect flap configuration during the go-around, which resulted in a hard, forced landing.NTSB ERA17CA137Accident · No injuriesData collectionFinal reportCirrus Design SR20 · Cleveland, TNThe flight instructor's inadequate supervision, which resulted in a premature rotation for a no-flap takeoff and subsequent loss of airplane control during the initial climb.NTSB WPR17FA023Accident · 1 fatalField investigationFinal reportCessna 172N · Moss Beach, CAThe pilot's loss of airplane control following an encounter with low level wind shear and turbulence during final approach for landing. Contributing to the loss of control was the pilot's decision to retract the wing flaps on final approach, which resulted in…NTSB CEN17LA025Accident · Serious injuriesLimited investigationFinal reportCessna 182Q · Buffalo, WYThe pilot’s failure to set the proper flap position before the short field takeoff, which resulted in a runway excursion and impact with terrain.NTSB CEN17FA024Accident · 2 fatalField investigationFinal reportBeech C23 · Osage Beach, MOThe pilot's loss of control while maneuvering shortly after takeoff. Contributing to the loss of control was the pilot's attempt to climb with the flaps fully extended.NTSB GAA16CA477Accident · No injuriesData collectionFinal reportPacific Aerospace 750XL · Warrenton, VAThe pilot's failure to set the wing flaps for takeoff, which resulted in an aerodynamic stall, an aborted takeoff, and a runway overrun.NTSB ERA16LA286Accident · Minor injuriesLimited investigationFinal reportCessna 177 · McDonough, NYThe pilot’s improper recovery from a slow flight configuration at low altitude, which resulted in an exceedance of the airplane’s critical angle of attack and an aerodynamic stall. Contributing to the accident was the pilot’s decision to operate at low…NTSB GAA16CA243Accident · No injuriesData collectionFinal reportPiper PA-28 · Crystal River, FLThe student pilot's failure to maintain directional control during the takeoff, which resulted in runway excursion and collision with a ditch. Contributing to the accident was the improper flap retraction procedure employed by the pilot during takeoff.NTSB CEN15LA323Accident · No injuriesLimited investigationFinal reportCessna 182B · Fults, ILThe malfunction of the flap assembly, which resulted in a restriction of aileron control. Contributing to the accident was maintenance personnel’s inadequate inspection of a corroded flap control cable.NTSB WPR14CA228Accident · No injuriesData collectionFinal reportPiper PA 18A 150 · Leeds, UTThe pilot's failure to confirm the flaps had been retracted during takeoff, which resulted in a loss of lift and subsequent collision with terrain.NTSB ERA14CA278Accident · Minor injuriesData collectionFinal reportCessna 172F · Mount Pleasant, PAThe pilot's incorrect takeoff procedures from the soft grass runway and his delay in aborting the takeoff after recognizing slow acceleration.NTSB ERA14LA252Accident · No injuriesLimited investigationFinal reportCessna 182 · Elkton, MDThe pilot’s failure to attain the proper touchdown point during a no-flap landing to a wet, down-sloping runway, and the airplane's dynamic hydroplaning after touchdown, which resulted in a runway overrun. Contributing to the accident was a total loss of…NTSB ERA14CA233Accident · Minor injuriesData collectionFinal reportPiper PA 28-180 · Indian Trail, NCThe pilot's improper flap retraction during a short field takeoff, which resulted in the aircraft experiencing an aerodynamic stall and impact with trees.NTSB ERA13LA391Accident · Serious injuriesLimited investigationFinal reportMooney M20C · Mitchellville, MDThe pilot’s failure to ensure that the wing flaps were properly configured before takeoff.NTSB ERA13CA206Accident · Minor injuriesData collectionFinal reportPoole Robert C JR Van's · Salisbury, NCThe pilot's improper landing flare, which resulted in a hard landing, and his subsequent decision to exit the paved runway onto the soft terrain.NTSB CEN13LA212Accident · Minor injuriesLimited investigationFinal reportCirrus SR22T · Alexandria, MNThe failure of maintenance personnel to install a safety wire during reinstallation of the right flap, which led to the separation of the right flap rod from the right flap actuation fitting during flap extension. Contributing to the accident were inadequate…NTSB ERA13FA017Accident · Serious injuriesField investigationFinal reportArion Lightning · Chuckey, TNThe pilot’s inadequate preflight planning, which resulted in an attempted takeoff at a high gross weight, near the limit of its aft center of gravity, and with the airplane incorrectly configured with fully extended flaps. Contributing to the accident was the…