# NTSB investigations: Rotax 912UL 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.

## Latest cases

- [NTSB CEN26LA238](https://openairdocs.org/ntsb/CEN26LA238.md): Airborne Windsports PTY Edge XT-912-L · Winona, MN · Accident · 1 fatal · Class 3 · Limited · Preliminary report · Jun 26, 2026 · N912CV · Substantial damage
  > On June 25, 2026, about 2000 central daylight time, an Airborne Windsports Pty Ltd Edge Xt-912-L weight-shift-control light sport aircraft, N912CV was substantially damaged when it was involved in an accident at Winona Municipal Airport (ONA) Winona,…
- [NTSB WPR24LA189](https://openairdocs.org/ntsb/WPR24LA189.md): Pipistrel Italia S R L Alpha Trainer · Paso Robles, CA · Accident · No injuries · Class 4 · Limited · Final report · Jun 8, 2024 · N208ZM · Substantial damage
  > The pilot’s exceedance of the airplane’s critical angle of attack that resulted in an aerodynamic stall and subsequent loss of control on final approach. Contributing to the accident was the pilot’s decision to land with a tailwind.
- [NTSB ERA22FA422](https://openairdocs.org/ntsb/ERA22FA422.md): Wren Ronnie D Titan II · Citra, FL · Accident · 2 fatal · Class 3 · Field · Final report · Sep 17, 2022 · N709RD · Substantial damage
  > The pilot’s exceedance of the airplane’s critical angle of attack and failure to maintain airspeed while recovering from an aerobatic maneuver, which resulted in an aerodynamic stall and loss of control. Contributing to the accident was the pilot’s use of…
- [NTSB WPR22FA189](https://openairdocs.org/ntsb/WPR22FA189.md): Airborne Windsports PTY Edge XT-912-L · Granite Shoals, TX · Accident · 2 fatal · Class 3 · Field · Final report · May 29, 2022 · N490F · Substantial damage
  > The pilot’s failure to maintain proper airspeed and his exceedance of the airplane’s critical angle of attack, which resulted in an aerodynamic stall while landing with a gusting wind.
- [NTSB ERA21LA014](https://openairdocs.org/ntsb/ERA21LA014.md): Pipistrel Alpha Trainer · Rural Hall, NC · Accident · No injuries · Class 4 · Limited · Final report · Oct 8, 2020 · N227PF · Substantial damage
  > The pilot’s failure to maintain airplane control and improper recovery from an unusual attitude, which resulted in an in-flight breakup.
- [NTSB WPR21LA006](https://openairdocs.org/ntsb/WPR21LA006.md): Capella XLS · Firth, ID · Accident · No injuries · Class 4 · Limited · Final report · Oct 4, 2020 · N7143A · Substantial damage
  > The pilot's failure to maintain adequate airspeed during the landing flare which resulted in an aerodynamic stall and collision with the ground.
- [NTSB CEN20CA217](https://openairdocs.org/ntsb/CEN20CA217.md): Airborne XT912 · Bristol, WI · Accident · Minor injuries · Class 4 · Data collection · Final report · Jun 7, 2020 · N88ZT · Substantial damage
  > The pilot's incorrect flight control input during the landing flare, which resulted in an impact with the ground.
- [NTSB WPR18LA121](https://openairdocs.org/ntsb/WPR18LA121.md): Airborne Windsports PTY XT-912-L · Peoria, AZ · Accident · Minor injuries · Class 3 · Limited · Final report · Apr 15, 2018 · N107PW · Substantial damage
  > An inflight loss of control due to failure of the weight-shift-control aircraft's wing assembly.
- [NTSB ERA18LA089](https://openairdocs.org/ntsb/ERA18LA089.md): Airborne Windsports PTY Edge XT 912 L · Eustis, FL · Accident · 1 fatal · Class 2 · Limited · Final report · Feb 25, 2018 · N98YW · Substantial damage
  > The pilot's exceedance of the weight-shift-control aircraft's critical angle of attack while maneuvering for landing, which resulted in an aerodynamic stall and collision with terrain. Contributing to the accident was the pilot's lack of experience in the…
- [NTSB WPR17FA139](https://openairdocs.org/ntsb/WPR17FA139.md): North Wing Uum Sport X2 912 · Chelan, WA · Accident · 2 fatal · Field investigation · Final report · Jul 1, 2017 · N492XB · Destroyed
  > The flight instructor's failure to maintain control of the aircraft while demonstrating a spiral dive, which resulted in a loss of control. Contributing to the accident was the instructor's decision to demonstrate a spiral dive maneuver at an altitude that…
- [NTSB WPR17FA033](https://openairdocs.org/ntsb/WPR17FA033.md): Airborne Windsports PTY Edge XT-912-L · Santa Barbara, CA · Accident · 1 fatal · Field investigation · Final report · Dec 6, 2016 · N188M · Substantial damage
  > The pilot's failure to maintain aircraft control while maneuvering in the traffic pattern.
- [NTSB CEN17LA001](https://openairdocs.org/ntsb/CEN17LA001.md): Drake Kitfox Speedster · Jennings, LA · Accident · Serious injuries · Limited investigation · Final report · Oct 1, 2016 · N157D · Substantial damage
  > The pilot’s failure to maintain adequate airspeed during takeoff, which resulted in an exceedance of the airplane’s critical angle of attack and subsequent aerodynamic stall.
- [NTSB ERA16LA014](https://openairdocs.org/ntsb/ERA16LA014.md): Gross Michael E Stol CH 701 · Eufala, AL · Accident · No injuries · Limited investigation · Final report · Oct 14, 2015 · N4931M · Substantial damage
  > A partial loss of engine power during takeoff for reasons that could not be determined, because postaccident examination revealed no evidence of any preimpact mechanical malfunctions or failures. Also causal was the pilot's decision to continue the takeoff…
- [NTSB ERA15CA020](https://openairdocs.org/ntsb/ERA15CA020.md): Airborne Windsports PTY Edge XT 912 L · Sebring, FL · Accident · No injuries · Data collection · Final report · Oct 18, 2014 · N29ME · Substantial damage
  > The student pilot's inadvertent interference with the weight-shift capability of the airplane during the initial climb, resulting in a loss of airplane control and hard landing.
- [NTSB ERA14CA410](https://openairdocs.org/ntsb/ERA14CA410.md): Bertagna John Just Highlander · Birdsboro, PA · Accident · Minor injuries · Data collection · Final report · Aug 27, 2014 · N61148 · Destroyed
  > The pilot's improper landing flare and recovery from a bounced landing resulting in loss of aircraft control.
- [NTSB ERA13CA400](https://openairdocs.org/ntsb/ERA13CA400.md): Maxair Drifter Drifter II · Lafayette, TN · Accident · Minor injuries · Data collection · Final report · Sep 1, 2013 · N42548 · Substantial damage
  > The pilot's failure to maintain aircraft control during the initial climb after takeoff in gusty wind conditions, which resulted in a hard off-airport landing.
- [NTSB WPR13LA347](https://openairdocs.org/ntsb/WPR13LA347.md): Airborne Windsports PTY Edge XT-912-L · Red Bluff, CA · Accident · 1 fatal · Limited investigation · Final report · Jul 29, 2013 · N123FJ · Destroyed
  > The pilot's failure to properly secure himself in the cockpit with the seat belt, which resulted in his inability to control the airplane after takeoff.
- [NTSB WPR12LA413](https://openairdocs.org/ntsb/WPR12LA413.md): Ellefson T-BIRD II · Richfield, UT · Accident · Serious injuries · Limited investigation · Final report · Sep 5, 2012 · N8106C · Substantial damage
  > A loss of control during landing due to a pitch control malfunction. Contributing to the accident was the pilot’s decision to continue flight with a known mechanical problem.
- [NTSB WPR11FA138](https://openairdocs.org/ntsb/WPR11FA138.md): AirBorne WindSport Edge XT-912-L · Hanapepe, HI · Accident · 2 fatal · Field investigation · Final report · Feb 15, 2011 · N29EP · Substantial damage
  > The flight instructor did not maintain aircraft control while maneuvering at low altitude. Contributing to the accident was the inadvertent application of the choke, which resulted in a momentary interruption of engine power.
- [NTSB ERA10FA435](https://openairdocs.org/ntsb/ERA10FA435.md): North Wing Scout X-C · Amherst, VA · Accident · 2 fatal · Field investigation · Final report · Aug 21, 2010 · N417JN · Substantial damage
  > The pilot's loss of aircraft control for an undetermined reason.
- [NTSB WPR09LA386](https://openairdocs.org/ntsb/WPR09LA386.md): Airborne Windsports PTY XT-912-L · Lihue, HI · Accident · Serious injuries · Limited investigation · Final report · Aug 2, 2009 · N44VZ · Substantial damage
  > The flight instructor's failure to maintain control of the airplane following an in-flight encounter with turbulence during descent.

## 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 ('55571')
    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=55571

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