# NTSB investigations: Amateur-built UNKNOWN ENG: 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 3 · 125 cases

## Latest cases

- [NTSB ERA27LA008](https://openairdocs.org/ntsb/ERA27LA008.md): Zielke Ronald W Zenith 750 · Marysville, OH · Accident · Minor injuries · Class 4 · Limited · Investigation open · Oct 14, 2026 · N203RZ · Substantial damage
- [NTSB CEN26LA294](https://openairdocs.org/ntsb/CEN26LA294.md): Pipistrel Taurus Electro G2.5 · Hempstead, TX · Accident · Minor injuries · Class 4 · Limited · Final report · Aug 15, 2026 · N984TP · Substantial damage
  > The pilot’s failure to properly stow the motor in preparation for approach and landing that resulted in a loss of airspeed and an inadvertent aerodynamic stall and spin.
- [NTSB ERA26LA133](https://openairdocs.org/ntsb/ERA26LA133.md): Morris Bradley D Zenith Stol CH-701 · Hendersonville, NC · Accident · Minor injuries · Class 4 · Limited · Final report · Mar 1, 2026 · N123XP · Substantial damage
  > The pilot’s failure to maintain directional control during takeoff, which resulted in a runway excursion and impact with trees.
- [NTSB WPR26FA101](https://openairdocs.org/ntsb/WPR26FA101.md): Sonex Onex · Caldwell, ID · Accident · 1 fatal · Class 3 · Field · Preliminary report · Feb 6, 2026 · N362DZ · Destroyed
  > On February 6, 2026, about 0945 mountain standard time, a Sonex Onex airplane, N362DZ, was destroyed when it was involved in an accident near Caldwell, Idaho. The pilot was fatally injured. The airplane was operated as a Title 14 Code of Federal Regulations…
- [NTSB WPR25LA101](https://openairdocs.org/ntsb/WPR25LA101.md): Hughes OH-6A · Santa Teresa, NM · Accident · No injuries · Class 3 · Limited · Final report · Feb 22, 2025 · N4191T · Substantial damage
  > The flight instructor's failure to maintain helicopter control during a practice autorotation, which resulted in a hard landing and structural damage to the tail boom and subsequent failure of the tail rotor drive system.
- [NTSB ERA25FA065](https://openairdocs.org/ntsb/ERA25FA065.md): Truitt James B Vans RV-8A · Fort Blackmore, VA · Accident · 1 fatal · Class 3 · Field · Preliminary report · Dec 4, 2024 · N627TT · Substantial damage
  > On December 4, 2024, about 1451 eastern standard time, an experimental amateur-built Vans RV-8A, N627TT, was substantially damaged when it was involved in an accident near Fort Blackmore, Virginia. The commercial pilot was fatally injured. The airplane was…
- [NTSB ERA24FA362](https://openairdocs.org/ntsb/ERA24FA362.md): Schleicher Alexander ASH 26 E · Waynesville, OH · Accident · 1 fatal · Class 3 · Field · Final report · Aug 30, 2024 · N264JM · Substantial damage
  > A loss of control on takeoff for undetermined reasons.
- [NTSB ERA24LA284](https://openairdocs.org/ntsb/ERA24LA284.md): Corella Neil RV9A · Saluda, SC · Accident · Serious injuries · Class 4 · Limited · Final report · Jun 30, 2024 · N94NF · Substantial damage
  > The pilot’s failure to maintain an appropriate glide path during the landing approach in variable wind conditions, which resulted in collision with trees.
- [NTSB WPR24LA188](https://openairdocs.org/ntsb/WPR24LA188.md): David Fisher Murphy Moose · Ocean Shores, WA · Accident · Serious injuries · Class 3 · Limited · Final report · Jun 8, 2024 · N9695W · Substantial damage
  > The pilot’s hard, bounced landing, subsequent failure to maintain adequate airspeed, and his exceedance of the airplane’s critical angle of attack during a go-around, which resulted in an aerodynamic stall and impact with terrain.
- [NTSB WPR24FA185](https://openairdocs.org/ntsb/WPR24FA185.md): Rans S-12XL Airaile · Picacho Peak, AZ · Accident · 1 fatal · Class 3 · Field · Final report · Jun 8, 2024 · N518D · Substantial damage
  > The pilot’s decision to conduct a low-altitude flight in mountainous terrain and his subsequent loss of airplane control after encountering mechanical turbulence, which resulted in an impact with the terrain.
- [NTSB CEN24LA198](https://openairdocs.org/ntsb/CEN24LA198.md): Brant T Phillips Super Cub EXP · Franktown, CO · Accident · No injuries · Class 4 · Limited · Final report · May 26, 2024 · N983SB · Substantial damage
  > The pilot’s failure to maintain aircraft control during final approach and attempted go-around after encountering a sudden windshear.
- [NTSB CEN24FA170](https://openairdocs.org/ntsb/CEN24FA170.md): Zenith CH601 · Bristol, IN · Accident · 2 fatal · Class 3 · Field · Final report · Apr 30, 2024 · N6271F · Substantial damage
  > The pilot’s loss of control during the descent for reasons that could not be determined, which resulted in a steep descent into terrain.
- [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 ERA24LA083](https://openairdocs.org/ntsb/ERA24LA083.md): Rabe Richard Exec 162F · Tuscumbia, AL · Accident · No injuries · Class 4 · Limited · Final report · Dec 16, 2023 · N60932 · Substantial damage
  > The pilot’s failure to maintain control of the helicopter, which resulted in the right skid contacting the ground and a subsequent rollover.
- [NTSB WPR23LA330](https://openairdocs.org/ntsb/WPR23LA330.md): Yamaha Fazer SAR · Reno, NV · Accident · No injuries · Class 4 · Limited · Final report · Aug 29, 2023 · N53GR · Substantial damage
  > The operator’s incorrect input into the ground station controller, resulting in a loss of control during flight and subsequent impact with terrain.
- [NTSB DCA23LA397](https://openairdocs.org/ntsb/DCA23LA397.md): Supernal SUP83-1 · California City, CA · Accident · No injuries · Class 4 · Limited · Final report · Aug 3, 2023 · N183TD · Substantial damage
  > A loss of control in flight due to a loss of electrical power to one of the lift-motors.
- [NTSB WPR23LA111](https://openairdocs.org/ntsb/WPR23LA111.md): Glasair Sportsman · Cal-Nev-Ari, NV · Accident · Serious injuries · Class 4 · Limited · Final report · Feb 19, 2023 · N2847H · Substantial damage
  > The pilot’s improper decision to takeoff with known damage to the wing and his failure to maintain directional control during takeoff on rough terrain.
- [NTSB CEN23LA037](https://openairdocs.org/ntsb/CEN23LA037.md): Fairchild SA227-AT · Pewaukee, WI · Accident · Minor injuries · Class 3 · Limited · Final report · Nov 15, 2022 · N247DH · Substantial damage
  > The flight crew’s failure to maintain adequate airspeed and their exceedance of the airplane’s critical angle of attack during the instrument approach, which resulted in an aerodynamic stall. Contributing to the accident was an undetermined anomaly in the…
- [NTSB ERA22FA384](https://openairdocs.org/ntsb/ERA22FA384.md): MXR Technologies MX2 · Osteen, FL · Accident · 2 fatal · Class 3 · Field · Final report · Aug 24, 2022 · N263MX · Substantial damage
  > The pilot’s loss of airplane control while performing aerobatic maneuvers, which resulted in the airplane entering an inverted flat spin that continued until the airplane impacted terrain.
- [NTSB WPR22LA328](https://openairdocs.org/ntsb/WPR22LA328.md): Fall Martin Super CUB · Stanley, ID · Accident · No injuries · Class 4 · Limited · Final report · Aug 19, 2022 · N25MF · Substantial damage
  > The pilot’s failure to maintain airplane control during takeoff with a crosswind.
- [NTSB ERA22LA294](https://openairdocs.org/ntsb/ERA22LA294.md): Bucker BU-133 · Hartford, KY · Accident · Serious injuries · Class 3 · Limited · Final report · Jun 24, 2022 · N1940H · Substantial damage
  > The pilot’s exceedance of the airplane’s critical angle of attack during the initial climb, which resulted in an aerodynamic stall during an attempted return to the runway.
- [NTSB GAA22WA132](https://openairdocs.org/ntsb/GAA22WA132.md): Sukhoi SU-31 · Ploiesti, Romania · Accident · 1 fatal · Class 5 · Foreign · Mar 26, 2022 · N131BT · Destroyed
- [NTSB CEN22FA029](https://openairdocs.org/ntsb/CEN22FA029.md): Vans RV · Harrison, MI · Accident · 1 fatal · Class 3 · Field · Final report · Nov 5, 2021 · N16TG · Destroyed
  > The pilot’s failure to maintain adequate airspeed and exceedance of the airplane’s critical angle of attack during landing approach, which resulted in an aerodynamic stall.
- [NTSB ERA22LA018](https://openairdocs.org/ntsb/ERA22LA018.md): Z-Hi-Max 1400 · Benton, PA · Accident · Serious injuries · Class 3 · Limited · Final report · Oct 16, 2021 · N668CL · Substantial damage
  > The pilot’s loss of control and encounter with an aerodynamic stall during a planned low-altitude turn toward the airport after takeoff.
- [NTSB WPR22LA015](https://openairdocs.org/ntsb/WPR22LA015.md): Wsk-Mielec AN-2TD · Wilton, CA · Accident · Serious injuries · Class 3 · Limited · Final report · Oct 14, 2021 · N857PF · Substantial damage
  > The pilot’s inability to control the airplane’s pitch during departure for reasons that could not be determined because of the extensive fragmentation and thermal damage the airplane sustained in the accident sequence.
- [NTSB WPR22LA006](https://openairdocs.org/ntsb/WPR22LA006.md): Bevilacqua Jeffrey L Dragonfly Mkiih · Camarillo, CA · Accident · No injuries · Class 4 · Limited · Final report · Oct 10, 2021 · N186JB · Substantial damage
  > The pilot’s failure to maintain airplane control during takeoff
- [NTSB CEN21LA395](https://openairdocs.org/ntsb/CEN21LA395.md): Klapp Peter A Klapp KR-2S · Wadsworth, OH · Accident · 1 fatal · Class 3 · Limited · Final report · Sep 3, 2021 · N729PK · Destroyed
  > A loss of airplane control for a reason that could not be determined based on available information.
- [NTSB ERA21FA318](https://openairdocs.org/ntsb/ERA21FA318.md): Pitts 12 · Ocklawaha, FL · Accident · 2 fatal · Class 3 · Field · Final report · Aug 9, 2021 · N112JH · Substantial damage
  > The pilot’s failure to maintain airplane control while performing aerobatic maneuvers, which resulted in an inverted flat spin from which he was unable to recover.
- [NTSB ERA21LA236](https://openairdocs.org/ntsb/ERA21LA236.md): Maxson Phil Zodiac CH601XL · Winder, GA · Accident · Minor injuries · Class 4 · Limited · Final report · May 29, 2021 · N601MX · Substantial damage
  > Pilot’s inadequate supervision of the pilot rated passenger’s actions, which led to a high descent rate and collision with obstacles.
- [NTSB CEN21LA053](https://openairdocs.org/ntsb/CEN21LA053.md): Trick Trikes Stss · Holden, MO · Accident · 1 fatal · Class 3 · Limited · Final report · Nov 11, 2020 · N5152E · Destroyed
  > The noncertificated pilot’s failure to maintain aircraft control during takeoff.
- [NTSB ERA20CA319](https://openairdocs.org/ntsb/ERA20CA319.md): Rotorway Exec 162F · Kenansville, FL · Accident · No injuries · Class 4 · Data collection · Final report · Sep 10, 2020 · N57AN · Substantial damage
  > The pilot’s failure to maintain control of the helicopter during takeoff.
- [NTSB CEN20LA278](https://openairdocs.org/ntsb/CEN20LA278.md): Grumman G164 · Springfield, CO · Accident · 1 fatal · Class 3 · Limited · Final report · Jul 10, 2020 · N6917K · Destroyed
  > The pilot’s loss of visibility in the cockpit due to foam created by the chemicals loaded in the hopper, which resulted in collision with terrain. Contributing to the accident was the combining of chemicals known to produce foam and the pilot’s failure to…
- [NTSB WPR20LA201](https://openairdocs.org/ntsb/WPR20LA201.md): Avia Stroitel AC-5M · Bend, OR · Accident · 1 fatal · Class 3 · Limited · Final report · Jun 30, 2020 · N263R · Destroyed
  > A loss of control just after takeoff for reasons that could not be determined based on the available information.
- [NTSB CEN20LA134](https://openairdocs.org/ntsb/CEN20LA134.md): Muse P51D · Mesquite, TX · Accident · 1 fatal · Class 3 · Limited · Final report · Mar 29, 2020 · N151JD · Destroyed
  > The pilot’s inadvertent exceedance of the airplane’s critical angle of attack for undetermined reasons, which resulted in an aerodynamic stall, loss of control, and subsequent impact with terrain.
- [NTSB CEN20CA067](https://openairdocs.org/ntsb/CEN20CA067.md): Glasair 1 · Greenville, TX · Accident · Minor injuries · Data collection · Final report · Jan 26, 2020 · N238SH · Substantial damage
  > The pilot's failure to maintain a proper descent rate, which resulted in a hard landing, and his subsequent loss of airplane control during an attempted go-around.
- [NTSB CEN20CA062](https://openairdocs.org/ntsb/CEN20CA062.md): Beech 76 · St. Charles, MO · Accident · No injuries · Data collection · Final report · Jan 16, 2020 · N6630D · Substantial damage
  > The pilot receiving instruction’s misunderstanding of the flight instructor’s instruction and the pilot's and the instructor’s insufficient use of rudder while adding power to the operating engine, which resulted in the airplane rolling left and the wing…
- [NTSB CEN20CA033](https://openairdocs.org/ntsb/CEN20CA033.md): Piper PA18 · Kerrville, TX · Accident · No injuries · Data collection · Final report · Nov 23, 2019 · N530AK · Substantial damage
  > The pilot’s loss of airplane control during the landing flare, which resulted in a loss of directional control and ground-loop.
- [NTSB ERA20FA029](https://openairdocs.org/ntsb/ERA20FA029.md): Pavel Tango2 · Cedartown, GA · Accident · 1 fatal · Class 3 · Field · Final report · Nov 4, 2019 · N875FV · Substantial damage
  > The pilot's loss of control of the gyroplane for reasons that could not be determined based on available evidence.
- [NTSB GAA19CA567](https://openairdocs.org/ntsb/GAA19CA567.md): George W. Felix Mosquito · Kershaw, SC · Accident · No injuries · Data collection · Final report · Sep 23, 2019 · N849GF · Substantial damage
  > The pilot's improper cyclic input during takeoff, which resulted in a loss of helicopter control, the skid impacting the ground, and a subsequent dynamic rollover.
- [NTSB ERA19FA275](https://openairdocs.org/ntsb/ERA19FA275.md): Vans RV 8 · Stroudsburg, PA · Accident · 2 fatal · Class 3 · Field · Final report · Sep 17, 2019 · N7TL · Destroyed
  > The pilot's failure to maintain control of the airplane for undetermined reasons.
- [NTSB GAA19WA460](https://openairdocs.org/ntsb/GAA19WA460.md): De Havilland DH82 · Hythe, United Kingdom · Accident · 1 fatal · Foreign investigation · Jul 21, 2019 · N54556 · Destroyed
- [NTSB WPR19FA118](https://openairdocs.org/ntsb/WPR19FA118.md): Northrop N9M · Norco, CA · Accident · 1 fatal · Class 2 · Field · Final report · Apr 22, 2019 · N9MB · Destroyed
  > The pilot's loss of control for undetermined reasons.
- [NTSB WPR19LA058](https://openairdocs.org/ntsb/WPR19LA058.md): Beech A36 · Colusa, CA · Accident · 2 fatal · Class 2 · Limited · Final report · Jan 7, 2019 · N100JB · Destroyed
  > The pilot's loss of airplane control due to spatial disorientation shortly after takeoff in instrument meteorological conditions.
- [NTSB GAA19CA037](https://openairdocs.org/ntsb/GAA19CA037.md): Zenith CH601 · Junction City, KS · Accident · No injuries · Data collection · Final report · Oct 22, 2018 · N105JT · Substantial damage
  > The pilot's failure to secure the canopy latch before takeoff, which resulted in the canopy opening in flight and the subsequent loss of airplane control.
- [NTSB ERA18LA249](https://openairdocs.org/ntsb/ERA18LA249.md): Edward R. Sugg Sonex · Marion, SC · Accident · 1 fatal · Limited investigation · Final report · Sep 12, 2018 · N75SX · Destroyed
  > Impact with terrain for reasons that could not be determined based on the available information.
- [NTSB WPR18FA247](https://openairdocs.org/ntsb/WPR18FA247.md): Schempp-Hirth Duo Discus T · New Washoe City, NV · Accident · 2 fatal · Class 3 · Field · Final report · Sep 2, 2018 · N22XC · Destroyed
  > The pilot’s delayed recovery from an inadvertent spin and/or spiral dive and an exceedance of the glider’s design limit load during recovery, which resulted in an overload failure of both wings.
- [NTSB GAA18CA466](https://openairdocs.org/ntsb/GAA18CA466.md): Vans RV9 · Holland, MI · Accident · No injuries · Data collection · Final report · Jul 28, 2018 · N899RV · Substantial damage
  > The pilot’s failure to maintain yaw control during a go-around.
- [NTSB CEN18FA262](https://openairdocs.org/ntsb/CEN18FA262.md): Schempp-Hirth Flugzeugbau Ventus 3F · Moriarty, NM · Accident · 1 fatal · Field investigation · Final report · Jul 10, 2018 · N753R · Substantial damage
  > The pilot's exceedance of the glider's critical angle of attack during a low-altitude turn, which resulted in an aerodynamic stall and subsequent impact with terrain.
- [NTSB CEN18LA080](https://openairdocs.org/ntsb/CEN18LA080.md): Tomlinson Tracy L Tukan · Erie, CO · Accident · Minor injuries · Limited investigation · Final report · Jan 18, 2018 · N907T · Substantial damage
  > The student pilot’s inadvertent shutting off of the fuel valve while on approach, which resulted in a loss of engine power due to fuel starvation and impact with terrain.
- [NTSB GAA18CA083](https://openairdocs.org/ntsb/GAA18CA083.md): Michael Adamczyk Zenith CH750 · Franklin, PA · Accident · No injuries · Data collection · Final report · Dec 9, 2017 · N750AD · Substantial damage
  > The pilot’s excessive application of aft stick during takeoff, which resulted in an aerodynamic stall. Contributing to this accident was the pilot’s inexperience in the airplane.

Next page: https://openairdocs.org/ntsb-events/240/cases.md?engine=99999&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 ('99999')
    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=99999

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