# NTSB investigations: TE flap control system

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

Page 1 of 2 · 74 cases

## Latest cases

- [NTSB CEN26LA033](https://openairdocs.org/ntsb/CEN26LA033.md): Cessna 182H · Lakeview, AR · Accident · Minor injuries · Class 4 · Limited · Final report · Oct 30, 2025 · N2040X · Substantial damage
  > The 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 WPR25LA283](https://openairdocs.org/ntsb/WPR25LA283.md): Cessna 150F · Rigby, ID · Accident · Minor injuries · Class 4 · Limited · Final report · Sep 17, 2025 · N8047F · Substantial damage
  > The flight instructor’s improper flap position during takeoff, which resulted in degraded climb performance and a subsequent impact with a building.
- [NTSB ERA25LA322](https://openairdocs.org/ntsb/ERA25LA322.md): Cessna 182 · Edgartown, MA · Accident · Minor injuries · Class 4 · Limited · Final report · Aug 19, 2025 · N691DM · Substantial damage
  > The 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 WPR24LA322](https://openairdocs.org/ntsb/WPR24LA322.md): Vans RV-12 · Paris, ID · Accident · No injuries · Class 4 · Limited · Final report · Sep 27, 2024 · N916PH · Substantial damage
  > The pilot’s failure to properly configure the flaps, which resulted in a loss of directional control during takeoff.
- [NTSB ERA24FA371](https://openairdocs.org/ntsb/ERA24FA371.md): Piper PA28R · Vergennes, VT · Accident · 4 fatal · Class 3 · Field · Final report · Sep 8, 2024 · N3757T · Substantial damage
  > The 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 CEN24LA328](https://openairdocs.org/ntsb/CEN24LA328.md): Hawker Beechcraft Hawker 900XP · Telluride, CO · Accident · No injuries · Class 3 · Limited · Final report · Jul 20, 2024 · N526FC · Substantial damage
  > The 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 WPR24LA175](https://openairdocs.org/ntsb/WPR24LA175.md): Dennis T Kirby/Michael B Kirby Murphy Rebel · Edgewood, NM · Accident · Minor injuries · Class 4 · Limited · Final report · Jun 4, 2024 · N79ZT · Substantial damage
  > The 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 ERA24LA224](https://openairdocs.org/ntsb/ERA24LA224.md): Cirrus Design SR20 · Lagrangeville, NY · Accident · No injuries · Class 4 · Limited · Final report · May 17, 2024 · N462PW · Substantial damage
  > The 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 CEN24LA178](https://openairdocs.org/ntsb/CEN24LA178.md): Cessna 172M · Midland, TX · Accident · No injuries · Class 4 · Limited · Final report · May 8, 2024 · N69PW · Substantial damage
  > The 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 CEN24FA164](https://openairdocs.org/ntsb/CEN24FA164.md): Lancair Legacy FG · Spicewood, TX · Accident · 1 fatal · Class 3 · Field · Final report · Apr 22, 2024 · N550NL · Destroyed
  > The 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 ERA24LA126](https://openairdocs.org/ntsb/ERA24LA126.md): Cirrus Design SR20 · Key Largo, FL · Accident · Serious injuries · Class 3 · Limited · Final report · Mar 1, 2024 · N1108T · Substantial damage
  > The pilot’s improper go-around technique, which resulted in an aerodynamic stall at an altitude too low for recovery.
- [NTSB WPR24LA017](https://openairdocs.org/ntsb/WPR24LA017.md): Piper PA 46-350P · Eastsound, WA · Accident · No injuries · Class 4 · Limited · Final report · Oct 13, 2023 · N509Z · Substantial damage
  > The 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 WPR23LA205](https://openairdocs.org/ntsb/WPR23LA205.md): Piaggio Aero Industries P180 · Sugar Land, TX · Accident · No injuries · Class 4 · Limited · Final report · May 27, 2023 · N327A · Substantial damage
  > The pilot’s failure to complete required preflight checklist items and properly configure the flaps for takeoff.
- [NTSB ERA23LA112](https://openairdocs.org/ntsb/ERA23LA112.md): Piper PA-31-350 · Middlefield, OH · Accident · No injuries · Class 3 · Limited · Final report · Jan 18, 2023 · N101MA · Substantial damage
  > A 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 ERA22LA363](https://openairdocs.org/ntsb/ERA22LA363.md): Cessna 150H · Ellenville, NY · Accident · Minor injuries · Class 3 · Limited · Final report · Aug 7, 2022 · N50439 · Substantial damage
  > Both 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 ERA22LA177](https://openairdocs.org/ntsb/ERA22LA177.md): Cessna 170 · Stoney Point, NC · Accident · Serious injuries · Class 4 · Limited · Final report · Apr 2, 2022 · N2656V · Substantial damage
  > The 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 CEN21LA332](https://openairdocs.org/ntsb/CEN21LA332.md): Madera RV-3 · Jacksonville, IL · Accident · No injuries · Class 4 · Limited · Final report · Jul 21, 2021 · N3S · Substantial damage
  > The pilot’s improper flare during landing which resulted in an attempted go-around, loss of control, and aerodynamic stall.
- [NTSB CEN21FA272](https://openairdocs.org/ntsb/CEN21FA272.md): Antenor Velazco Lancair Evolution · Parker, CO · Accident · 2 fatal · Class 3 · Field · Final report · Jun 16, 2021 · N704AK · Destroyed
  > The 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 WPR21FA203](https://openairdocs.org/ntsb/WPR21FA203.md): Dassault Mirage F-1 · Las Vegas, NV · Accident · 1 fatal · Class 3 · Field · Final report · May 24, 2021 · N567EM · Destroyed
  > The 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 WPR20LA325](https://openairdocs.org/ntsb/WPR20LA325.md): Cessna T210 · Bridgeport, CA · Accident · No injuries · Class 4 · Limited · Final report · Sep 25, 2020 · N300JS · Substantial damage
  > An 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 ERA20CA291](https://openairdocs.org/ntsb/ERA20CA291.md): Team Rocket F1 Rocket · Finelyville, PA · Accident · No injuries · Class 4 · Data collection · Final report · Aug 18, 2020 · N88XK · Substantial damage
  > The 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 GAA19CA504](https://openairdocs.org/ntsb/GAA19CA504.md): Cessna 182 · Oakland, CA · Accident · No injuries · Data collection · Final report · Aug 4, 2019 · N58628 · Substantial damage
  > The 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 CEN19TA205](https://openairdocs.org/ntsb/CEN19TA205.md): Beech 23 · Vaiden, MS · Accident · Serious injuries · Class 3 · Final report · Jul 4, 2019 · N7618R · Substantial damage
  > The 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 GAA19CA014](https://openairdocs.org/ntsb/GAA19CA014.md): Cessna 172 · Stockton, CA · Accident · No injuries · Data collection · Final report · Oct 5, 2018 · N78239 · Substantial damage
  > The student pilot's failure to maintain directional control during takeoff.
- [NTSB WPR18FA251](https://openairdocs.org/ntsb/WPR18FA251.md): Mooney M20J · Palo Alto, CA · Accident · 1 fatal · Class 2 · Field · Final report · Sep 4, 2018 · N701JM · Substantial damage
  > The 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 WPR18FA244](https://openairdocs.org/ntsb/WPR18FA244.md): Cessna 150 · Redding, CA · Accident · 1 fatal · Field investigation · Final report · Aug 29, 2018 · N7990F · Substantial damage
  > The 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 CEN18LA344](https://openairdocs.org/ntsb/CEN18LA344.md): Cessna 172 · Addison, TX · Accident · Serious injuries · Class 3 · Limited · Final report · Aug 18, 2018 · N893JA · Substantial damage
  > The 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 CEN18LA246](https://openairdocs.org/ntsb/CEN18LA246.md): Cessna 337 · Baldwin City, KS · Accident · No injuries · Limited investigation · Final report · Jun 30, 2018 · N107BL · Substantial damage
  > The 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 ERA18FA174](https://openairdocs.org/ntsb/ERA18FA174.md): Cessna 172 · Diamondhead, MS · Accident · 1 fatal · Field investigation · Final report · Jun 22, 2018 · N7239Q · Destroyed
  > The 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 GAA18CA300](https://openairdocs.org/ntsb/GAA18CA300.md): Cessna 150 · Killeen, TX · Accident · No injuries · Data collection · Final report · May 17, 2018 · N7750F · Substantial damage
  > The 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 GAA18CA234](https://openairdocs.org/ntsb/GAA18CA234.md): Piper PA28 · Wickenburg, AZ · Accident · No injuries · Data collection · Final report · Apr 25, 2018 · N922PA · Substantial damage
  > The student pilot’s failure to relinquish flight controls and premature flap reduction during approach to land.
- [NTSB ERA17FA272](https://openairdocs.org/ntsb/ERA17FA272.md): Cessna 172 · New Milford, CT · Accident · 1 fatal · Field investigation · Final report · Aug 11, 2017 · N1727V · Substantial damage
  > The 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 CEN17FA287](https://openairdocs.org/ntsb/CEN17FA287.md): Aerofab Lake LA 4 250 · Oshkosh, WI · Accident · 2 fatal · Field investigation · Final report · Jul 28, 2017 · N1400P · Substantial damage
  > The 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 GAA17CA268](https://openairdocs.org/ntsb/GAA17CA268.md): Cessna 172 · Kaunakakai, HI · Accident · No injuries · Data collection · Final report · May 3, 2017 · N173LL · Substantial damage
  > The student pilot’s incorrect flap configuration during the go-around, which resulted in a hard, forced landing.
- [NTSB ERA17CA137](https://openairdocs.org/ntsb/ERA17CA137.md): Cirrus Design SR20 · Cleveland, TN · Accident · No injuries · Data collection · Final report · Mar 26, 2017 · N782JR · Substantial damage
  > The 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 WPR17FA023](https://openairdocs.org/ntsb/WPR17FA023.md): Cessna 172N · Moss Beach, CA · Accident · 1 fatal · Field investigation · Final report · Nov 18, 2016 · N6610D · Substantial damage
  > The 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 CEN17LA025](https://openairdocs.org/ntsb/CEN17LA025.md): Cessna 182Q · Buffalo, WY · Accident · Serious injuries · Limited investigation · Final report · Oct 23, 2016 · N97878 · Substantial damage
  > The 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 CEN17FA024](https://openairdocs.org/ntsb/CEN17FA024.md): Beech C23 · Osage Beach, MO · Accident · 2 fatal · Field investigation · Final report · Oct 22, 2016 · N20087 · Substantial damage
  > The 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 GAA16CA477](https://openairdocs.org/ntsb/GAA16CA477.md): Pacific Aerospace 750XL · Warrenton, VA · Accident · No injuries · Data collection · Final report · Sep 9, 2016 · N750SS · Substantial damage
  > The pilot's failure to set the wing flaps for takeoff, which resulted in an aerodynamic stall, an aborted takeoff, and a runway overrun.
- [NTSB ERA16LA286](https://openairdocs.org/ntsb/ERA16LA286.md): Cessna 177 · McDonough, NY · Accident · Minor injuries · Limited investigation · Final report · Aug 8, 2016 · N30923 · Destroyed
  > The 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 GAA16CA243](https://openairdocs.org/ntsb/GAA16CA243.md): Piper PA-28 · Crystal River, FL · Accident · No injuries · Data collection · Final report · May 13, 2016 · N991A · Substantial damage
  > The 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 CEN15LA323](https://openairdocs.org/ntsb/CEN15LA323.md): Cessna 182B · Fults, IL · Accident · No injuries · Limited investigation · Final report · Jul 14, 2015 · N2764G · Destroyed
  > The 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 WPR14CA228](https://openairdocs.org/ntsb/WPR14CA228.md): Piper PA 18A 150 · Leeds, UT · Accident · No injuries · Data collection · Final report · Jun 4, 2014 · N1672P · Substantial damage
  > The 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 ERA14CA278](https://openairdocs.org/ntsb/ERA14CA278.md): Cessna 172F · Mount Pleasant, PA · Accident · Minor injuries · Data collection · Final report · May 31, 2014 · N8394U · Substantial damage
  > The pilot's incorrect takeoff procedures from the soft grass runway and his delay in aborting the takeoff after recognizing slow acceleration.
- [NTSB ERA14LA252](https://openairdocs.org/ntsb/ERA14LA252.md): Cessna 182 · Elkton, MD · Accident · No injuries · Limited investigation · Final report · May 21, 2014 · N182PJ · Substantial damage
  > The 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 ERA14CA233](https://openairdocs.org/ntsb/ERA14CA233.md): Piper PA 28-180 · Indian Trail, NC · Accident · Minor injuries · Data collection · Final report · May 11, 2014 · N15230 · Substantial damage
  > The pilot's improper flap retraction during a short field takeoff, which resulted in the aircraft experiencing an aerodynamic stall and impact with trees.
- [NTSB ERA13LA391](https://openairdocs.org/ntsb/ERA13LA391.md): Mooney M20C · Mitchellville, MD · Accident · Serious injuries · Limited investigation · Final report · Sep 2, 2013 · N78951 · Substantial damage
  > The pilot’s failure to ensure that the wing flaps were properly configured before takeoff.
- [NTSB ERA13CA206](https://openairdocs.org/ntsb/ERA13CA206.md): Poole Robert C JR Van's · Salisbury, NC · Accident · Minor injuries · Data collection · Final report · Apr 17, 2013 · N439RP · Substantial damage
  > The 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 CEN13LA212](https://openairdocs.org/ntsb/CEN13LA212.md): Cirrus SR22T · Alexandria, MN · Accident · Minor injuries · Limited investigation · Final report · Mar 29, 2013 · N1967N · Substantial damage
  > The 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 ERA13FA017](https://openairdocs.org/ntsb/ERA13FA017.md): Arion Lightning · Chuckey, TN · Accident · Serious injuries · Field investigation · Final report · Oct 11, 2012 · N290AL · Substantial damage
  > The 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…

Next page: https://openairdocs.org/ntsb-findings/01022750/cases.md?page=2

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
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
```

This list as a web page: https://openairdocs.org/ntsb-findings/01022750/cases

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