# NTSB investigations: Rotax 912ULS series: Loss of control in flight

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 · 97 cases

## Latest cases

- [NTSB ERA26LA119](https://openairdocs.org/ntsb/ERA26LA119.md): Tabor W Coates AR-1 · Kissimmee, FL · Accident · No injuries · Class 4 · Limited · Final report · Feb 17, 2026 · N220SM · Substantial damage
  > The pilot’s failure to obtain the proper rotor rpm during the takeoff roll which resulted in a loss of control.
- [NTSB CEN26FA023](https://openairdocs.org/ntsb/CEN26FA023.md): JMB VL-3LSA-912 · Erie, CO · Accident · 2 fatal · Class 3 · Field · Preliminary report · Oct 19, 2025 · N594TT · Substantial damage
  > On October 19, 2025, about 1531 mountain daylight time, a JMB Aircraft VL-3LSA-912, N594TT, was substantially damaged when it was involved in an accident near Erie, Colorado. The pilot receiving instruction and the flight instructor were fatally injured. The…
- [NTSB ERA25FA332](https://openairdocs.org/ntsb/ERA25FA332.md): Czech Sport Sportcruiser · Fryeburg, ME · Accident · 1 fatal · Class 3 · Field · Preliminary report · Sep 4, 2025 · N336SC · Substantial damage
  > On September 4, 2025, about 1418 eastern daylight time, a Czech Sport Aircraft Sportcruiser, N336SC, was substantially damaged when it was involved in an accident near Fryeburg, Maine. The private pilot was fatally injured. The airplane was operated as a…
- [NTSB WPR25FA197](https://openairdocs.org/ntsb/WPR25FA197.md): Evolution Revolt · Mount Vernon, WA · Accident · 1 fatal · Class 3 · Field · Preliminary report · Jul 2, 2025 · N774RS · Substantial damage
  > On July 2, 2025, about 1313 Pacific daylight time, an Evolution Aircraft REVOLT weight shift control aircraft (commonly called a trike), N774RS, was substantially damaged when it was involved in an accident near Mount Vernon, Washington. The pilot was fatally…
- [NTSB ERA25FA154](https://openairdocs.org/ntsb/ERA25FA154.md): Aero SP Z O O AT-4 LSA · Zellwood, FL · Accident · 1 fatal · Class 3 · Field · Preliminary report · Mar 22, 2025 · N8548U · Substantial damage
  > On March 22, 2025, about 0925 eastern daylight time, a Aero SP Z O O AT-4 LSA, N8548U, was substantially damaged when it was involved in an accident near Zellwood, Florida. The private pilot was fatally injured. The airplane was operated as a Title 14 Code of…
- [NTSB WPR25LA068](https://openairdocs.org/ntsb/WPR25LA068.md): Remos Remos G-3/600 · Brawley, CA · Accident · No injuries · Class 4 · Limited · Final report · Dec 22, 2024 · N191DY · Substantial damage
  > The flight instructor’s lack of remedial action to the student pilot’s inadequate landing flare, which resulted in a hard landing and a loss of directional control.
- [NTSB CEN24LA352](https://openairdocs.org/ntsb/CEN24LA352.md): Just Highlander · Clarksdale, MS · Accident · No injuries · Class 4 · Limited · Final report · Sep 11, 2024 · N91ZS · Substantial damage
  > The pilot’s failure to maintain control during takeoff in gusting crosswind conditions.
- [NTSB ERA24LA296](https://openairdocs.org/ntsb/ERA24LA296.md): Missoula Super Drifter · Lafayette, TN · Accident · Serious injuries · Class 4 · Limited · Final report · Jul 7, 2024 · N692BS · Substantial damage
  > The pilot's failure to maintain control of the airplane during a go-around in gusting wind conditions.
- [NTSB CEN24LA166](https://openairdocs.org/ntsb/CEN24LA166.md): Rans S-6ES · Emporia, KS · Accident · No injuries · Class 4 · Limited · Final report · Apr 24, 2024 · N16148 · Substantial damage
  > The pilot’s failure to maintain control during the landing flare.
- [NTSB CEN24LA124](https://openairdocs.org/ntsb/CEN24LA124.md): Searey Classic · Winchester, TX · Accident · Minor injuries · Class 4 · Limited · Final report · Feb 25, 2024 · N360MD · Substantial damage
  > The pilot’s failure to attain/maintain airplane control during a landing approach that resulted in an uncontrolled descent and an impact with the lake.
- [NTSB WPR24FA052](https://openairdocs.org/ntsb/WPR24FA052.md): Remos Remos GX · Taylor, AZ · Accident · Serious injuries · Class 3 · Field · Final report · Dec 6, 2023 · N449RA · Substantial damage
  > The pilot’s decision to attempt takeoff with frost covering the airplane’s wings, which led to an exceedance of the airplane’s critical angle of attack and an aerodynamic stall.
- [NTSB CEN23LA386](https://openairdocs.org/ntsb/CEN23LA386.md): Silverlight AR-1 · Granbury, TX · Accident · Serious injuries · Class 4 · Limited · Final report · Aug 20, 2023 · N57AR · Substantial damage
  > The pilot’s improper takeoff procedure which resulted in a loss of control during takeoff.
- [NTSB CEN23FA016](https://openairdocs.org/ntsb/CEN23FA016.md): Vans RV-12 · Chandler, TX · Accident · 1 fatal · Class 3 · Field · Final report · Oct 21, 2022 · N86GV · Substantial damage
  > The loss of control inflight for reasons that could not be determined.
- [NTSB WPR22LA137](https://openairdocs.org/ntsb/WPR22LA137.md): Czech Sport Aircraft A S Sportcruiser · Lanark, NM · Accident · Minor injuries · Class 3 · Limited · Final report · Mar 25, 2022 · N823MM · Substantial damage
  > The pilot’s loss of control of the airplane after the inadvertent unlocking and opening of the canopy for reasons that could not be determined based on available evidence.
- [NTSB ERA21FA225](https://openairdocs.org/ntsb/ERA21FA225.md): Flight Design Ctsw · Winterville, NC · Accident · 2 fatal · Class 3 · Field · Final report · May 22, 2021 · N708JM · Destroyed
  > The pilot’s exceedance of the airplane’s critical angle of attack during a go-around, which resulted in an aerodynamic stall and a loss of control.
- [NTSB CEN21LA200](https://openairdocs.org/ntsb/CEN21LA200.md): Aeropro CZ S R O A240 · Richmond, IN · Accident · 1 fatal · Class 3 · Limited · Final report · Apr 25, 2021 · N417R · Destroyed
  > The noninstrument-rated pilot’s intentional flight into instrument meteorological conditions, which resulted in spatial disorientation and loss of airplane control.
- [NTSB CEN21LA181](https://openairdocs.org/ntsb/CEN21LA181.md): Evolution Revolt · Seminole, TX · Accident · 1 fatal · Class 3 · Limited · Final report · Apr 6, 2021 · N565PK · Substantial damage
  > The student pilot’s loss of trike control while maneuvering at low altitude in gusting wind conditions, resulting in an impact with terrain.
- [NTSB ERA21LA073](https://openairdocs.org/ntsb/ERA21LA073.md): Flight Design Ctsw · Marion, NC · Accident · Minor injuries · Class 3 · Limited · Final report · Dec 13, 2020 · N138CT · Substantial damage
  > The pilot’s failure to maintain airplane control during takeoff, resulting in a rejected takeoff and runway excursion.
- [NTSB ANC21LA004](https://openairdocs.org/ntsb/ANC21LA004.md): AutoGyro MTO Sport · Whitewater, KS · Accident · 2 fatal · Class 3 · Limited · Final report · Nov 3, 2020 · N455WM · Destroyed
  > A loss of control for reasons that could not be determined based on the available evidence.
- [NTSB CEN20CA039](https://openairdocs.org/ntsb/CEN20CA039.md): Flight Design Ctsw · Delaware, OH · Accident · Minor injuries · Data collection · Final report · Dec 20, 2019 · N91WW · Substantial damage
  > The student pilot’s failure to maintain yaw control during takeoff, which resulted in an aborted takeoff and subsequent landing on grassy terrain, during which the airplane bounced and then nosed over.
- [NTSB GAA20CA092](https://openairdocs.org/ntsb/GAA20CA092.md): Czech Aircraft Works Spol Sro Sportscruiser · Lamar, CO · Accident · No injuries · Data collection · Final report · Nov 23, 2019 · N595SC · Substantial damage
  > The pilot's distraction due to an open canopy during final approach, which resulted in a loss of altitude and ground impact short of the runway.
- [NTSB GAA20CA053](https://openairdocs.org/ntsb/GAA20CA053.md): Zenair CH701 · Salem, OR · Accident · No injuries · Data collection · Final report · Nov 1, 2019 · N102PH · Substantial damage
  > The pilot's failure to maintain lateral control during takeoff, which resulted in impact with terrain. Contributing to the accident was the pilot’s improper decision to make his first flight in an airplane he unfamiliar with before waiting for calm winds.
- [NTSB GAA20CA032](https://openairdocs.org/ntsb/GAA20CA032.md): Flight Design Ctls · Monument Valley, UT · Accident · Minor injuries · Data collection · Final report · Oct 17, 2019 · N771TX · Substantial damage
  > The pilot's failure to maintain lateral control and to attain adequate altitude during takeoff with a quartering tailwind in gusting wind conditions, which resulted in impact with a sandy berm left of the runway.
- [NTSB ERA19FA265](https://openairdocs.org/ntsb/ERA19FA265.md): Vans RV-12 · Lady Lake, FL · Accident · 1 fatal · Class 3 · Field · Final report · Sep 6, 2019 · N767FS · Destroyed
  > The pilot's loss of pitch control due to the in-flight opening of the canopy for reasons that could not be determined.
- [NTSB CEN19FA218](https://openairdocs.org/ntsb/CEN19FA218.md): GIbb AR-1 · Hawley, MN · Accident · 1 fatal · Field investigation · Final report · Jul 11, 2019 · N14968 · Destroyed
  > An in-flight loss of control and collision with terrain for reasons that could not be determined based on the available information.
- [NTSB GAA19CA373](https://openairdocs.org/ntsb/GAA19CA373.md): Flight Design Ctsw · Blairesville, GA · Accident · No injuries · Data collection · Final report · May 19, 2019 · N153SW · Substantial damage
  > The pilot's failure to maintain airplane control during landing in gusting crosswind conditions, which resulted in a hard landing and landing gear collapse.
- [NTSB ERA18FA235](https://openairdocs.org/ntsb/ERA18FA235.md): Airtime Cygnet · Pensacola, FL · Accident · 1 fatal · Field investigation · Final report · Aug 27, 2018 · N186AT · Substantial damage
  > The student pilot's loss of aircraft control for undetermined reasons.
- [NTSB GAA18CA499](https://openairdocs.org/ntsb/GAA18CA499.md): Evolution Trikes Revo · Hawthorne, CA · Accident · Minor injuries · Data collection · Final report · Aug 21, 2018 · N145PT · Substantial damage
  > The flight instructor’s failure to maintain lateral control of the weight-shift-controlled aircraft during the landing flare.
- [NTSB WPR18TA212](https://openairdocs.org/ntsb/WPR18TA212.md): ICP Savannah · Fairfield, UT · Accident · Minor injuries · Final report · Aug 5, 2018 · N951RA · Substantial damage
  > The pilot's failure to maintain airplane control after encountering a downdraft on approach to the runway.
- [NTSB CEN18CA293](https://openairdocs.org/ntsb/CEN18CA293.md): Just JA30 Superstol · Oshkosh, WI · Accident · Minor injuries · Data collection · Final report · Jul 24, 2018 · N45FT · Substantial damage
  > The pilot's failure to maintain adequate airspeed during the initial climb and his exceedance of the airplane's critical angle of attack, which resulted in an aerodynamic stall.
- [NTSB GAA18CA423](https://openairdocs.org/ntsb/GAA18CA423.md): Daniels Alan L Kitfox Series 7 · Lowville, NY · Accident · No injuries · Data collection · Final report · Jul 15, 2018 · N555HT · Substantial damage
  > The pilot’s failure to maintain a proper airspeed during the approach to land, which resulted in an aerodynamic stall.
- [NTSB ERA18LA095](https://openairdocs.org/ntsb/ERA18LA095.md): Robert Snyder Autogyro Calidus · Beaufort, SC · Accident · 1 fatal · Limited investigation · Final report · Mar 5, 2018 · N221YT · Substantial damage
  > The gyroplane pilot's failure to maintain rotor speed and aircraft control as he was attempting to return to the runway during a low-altitude simulated engine-out maneuver.
- [NTSB GAA18CA067](https://openairdocs.org/ntsb/GAA18CA067.md): Todd Foley Zenith 701 · Mount Airy, NC · Accident · No injuries · Data collection · Final report · Dec 1, 2017 · N701TF · Substantial damage
  > The pilot’s exceedance of the airplane’s critical angle of attack during takeoff, which resulted in an aerodynamic stall.
- [NTSB CEN17FA334](https://openairdocs.org/ntsb/CEN17FA334.md): Vans RV-12 · Fishers, IN · Accident · 1 fatal · Field investigation · Final report · Aug 31, 2017 · N212ZF · Destroyed
  > The pilot's failure to latch the canopy before takeoff, and his failure to maintain pitch control following the in-flight opening of the canopy during the initial climb resulting in a subsequent impact with terrain and ground fire.
- [NTSB GAA17CA319](https://openairdocs.org/ntsb/GAA17CA319.md): Magnaghi Aeronautica SKY Arrow LSA · Chapman, KS · Accident · Minor injuries · Data collection · Final report · Jun 2, 2017 · N600US · Substantial damage
  > The pilot's failure to maintain lateral/bank control during the takeoff climb in gusting crosswind conditions.
- [NTSB GAA17CA222](https://openairdocs.org/ntsb/GAA17CA222.md): Costruzioni Aeronautiche Tecna P2004 Bravo · Avalon, CA · Accident · No injuries · Data collection · Final report · Apr 9, 2017 · N54EB · Substantial damage
  > The pilot’s failure to maintain the runway heading and the improper landing flare during landing.
- [NTSB GAA17CA020](https://openairdocs.org/ntsb/GAA17CA020.md): Remos Remos GX · Lowell, AR · Accident · No injuries · Data collection · Final report · Oct 11, 2016 · N27GX · Substantial damage
  > The pilot’s decision to take off with a prevailing tailwind and insufficient distance to ensure obstacle clearance, which resulted in a collision with a tree.
- [NTSB GAA16CA469](https://openairdocs.org/ntsb/GAA16CA469.md): Rainbow Sky Reach Bushcat · Frankfort, KY · Accident · Minor injuries · Data collection · Final report · Sep 6, 2016 · N2899X · Substantial damage
  > The pilot's exceedance of the airplane's critical angle-of-attack while maneuvering at low altitude, which resulted in an aerodynamic stall.
- [NTSB CEN16LA245](https://openairdocs.org/ntsb/CEN16LA245.md): Evolution Revo · Holland, MI · Accident · Serious injuries · Limited investigation · Final report · Jun 29, 2016 · N20EV · Substantial damage
  > The flight instructor's failure to maintain aircraft control during landing as a result of his failure to adjust the electric trim to the proper position for landing.
- [NTSB GAA16CA300](https://openairdocs.org/ntsb/GAA16CA300.md): Costruzioni Aeronautiche Tecna P2002 Sierra · Moundsville, WV · Accident · Minor injuries · Data collection · Final report · Jun 9, 2016 · N323TC · Substantial damage
  > The pilot's failure to maintain directional control during the go-around in gusty crosswind conditions, which resulted in a collision with trees.
- [NTSB ERA16FA165](https://openairdocs.org/ntsb/ERA16FA165.md): Vans RV12 · Stevensville, MD · Accident · 2 fatal · Field investigation · Final report · Apr 19, 2016 · N276VA · Substantial damage
  > The pilot's failure to maintain airplane control during approach for landing in gusting crosswind conditions, which resulted in an exceedance of the airplane's critical angle of attack and a subsequent aerodynamic stall.
- [NTSB CEN16FA094](https://openairdocs.org/ntsb/CEN16FA094.md): Costruzioni Aeronautiche Tecna P92 Echo Super · Arcola, TX · Accident · 1 fatal · Field investigation · Final report · Feb 1, 2016 · N323BR · Destroyed
  > The student pilot's loss of control after exceeding the airplane's critical angle-of-attack, which lead to a power-on, aerodynamic departure stall. Contributing to the accident was the flight instructor's inadequate oversight of the student pilot.
- [NTSB GAA16CA094](https://openairdocs.org/ntsb/GAA16CA094.md): Costruzioni Aeronautiche Tecna P92 Eaglet · Chesapeake, VA · Accident · Minor injuries · Data collection · Final report · Jan 1, 2016 · N112TE · Substantial damage
  > The pilot's loss of directional control during takeoff which resulted in impact with the ground.
- [NTSB ERA15LA339](https://openairdocs.org/ntsb/ERA15LA339.md): Evolution Revo · Laconia, NH · Accident · 1 fatal · Limited investigation · Final report · Sep 5, 2015 · N2264X · Substantial damage
  > The sport pilot’s improper decision to operate the weight-shift-control aircraft at low altitude and his subsequent failure to maintain control of the aircraft, which resulted in a subsequent collision with terrain.
- [NTSB CEN15LA359](https://openairdocs.org/ntsb/CEN15LA359.md): Aeros Aeros 2 · Albuquerque, NM · Accident · Serious injuries · Limited investigation · Final report · Aug 8, 2015 · N5982V · Substantial damage
  > The ultralight airplane’s encounter with a downdraft in mountainous terrain, which resulted in a descent into trees.
- [NTSB GAA15CA198](https://openairdocs.org/ntsb/GAA15CA198.md): Evektor-Aerotechnik Sportstar · Eufaula, AL · Accident · No injuries · Data collection · Final report · Jul 26, 2015 · N804EV · Substantial damage
  > The pilot's failure to maintain direction control during takeoff, and the pilot's failure to ensure that the canopy of the airplane was secured and locked prior to departure.
- [NTSB ERA15FA245](https://openairdocs.org/ntsb/ERA15FA245.md): Czech Sport Piper Sport · Holly Ridge, NC · Accident · 1 fatal · Field investigation · Final report · Jun 21, 2015 · N35EP · Substantial damage
  > The pilot’s failure to maintain airplane control after the cockpit canopy opened during initial climb. Contributing to the accident was the pilot’s failure to securely lock the canopy before takeoff.
- [NTSB ERA15LA230](https://openairdocs.org/ntsb/ERA15LA230.md): Sea & Sky Inc DBA Krucker Acft Cygnet · Panama City Beach, FL · Accident · Serious injuries · Limited investigation · Final report · Jun 2, 2015 · N59AT · Substantial damage
  > The pilot's loss of aircraft control, which resulted in an aerodynamic stall.
- [NTSB CEN15FA211](https://openairdocs.org/ntsb/CEN15FA211.md): Hoffman Zenith 701 · Trinidad, CO · Accident · 1 fatal · Field investigation · Final report · Apr 30, 2015 · N95MH · Substantial damage
  > The noncertificated pilot's failure to maintain airspeed following a loss of engine power while maneuvering at a low altitude, which resulted in the airplane's wing exceeding its critical angle-of-attack and a subsequent aerodynamic stall. The reason for the…
- [NTSB ERA15FA141](https://openairdocs.org/ntsb/ERA15FA141.md): Colyaer SL Freedom · Boynton Beach, FL · Accident · 2 fatal · Field investigation · Final report · Mar 2, 2015 · N787Z · Destroyed
  > An in-flight loss of control for reasons that could not be determined based on the available evidence.

Next page: https://openairdocs.org/ntsb-events/240/cases.md?engine=55572&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 x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('55572')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e."isDefiningEvent" AND e."tier2Number" = '240'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/240/cases?engine=55572

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