# NTSB investigations: Amateur-built UNKNOWN ENG

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 6 of 41 · 2,048 cases

## Cases, newest first

- [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 WPR19LA257](https://openairdocs.org/ntsb/WPR19LA257.md): Kubicek BB60 · Goodsprings, NV · Accident · Serious injuries · Class 3 · Limited · Final report · Sep 12, 2019 · N505CZ · Substantial damage
  > The pilot's failure to maintain the proper descent rate during the approach to landing, which resulted in a hard landing and serious injuries to the pilot and two passengers.
- [NTSB WPR19LA261](https://openairdocs.org/ntsb/WPR19LA261.md): Havoc Air Racing Super GT 111 · Reno, NV · Accident · Minor injuries · Class 3 · Limited · Final report · Sep 9, 2019 · N400MC · Substantial damage
  > The failure of the landing gear to extend for reasons that could not be determined.
- [NTSB WPR19FA241](https://openairdocs.org/ntsb/WPR19FA241.md): Glaser Dirks DG 300 Elan · Wilkeson, WA · Accident · 1 fatal · Class 3 · Field · Final report · Aug 25, 2019 · N300GG · Substantial damage
  > The pilot’s delayed decision to land following a loss of thermal lift, which resulted in collision with trees during the landing approach.
- [NTSB GAA19CA483](https://openairdocs.org/ntsb/GAA19CA483.md): Schleicher ASW 24 · Paulden, AZ · Accident · Serious injuries · Data collection · Final report · Aug 4, 2019 · N37T · Substantial damage
  > The pilot's distraction due to the environment, his failure to lower the landing gear, and his subsequent failure to maintain directional control while landing the glider, which resulted in impact with a utility box.
- [NTSB GAA19CA475](https://openairdocs.org/ntsb/GAA19CA475.md): Avid Avid Mark IV · Thompson Falls, MT · Accident · Serious injuries · Data collection · Final report · Jul 30, 2019 · N4829W · Substantial damage
  > The student pilot's failure to go-around after a hard, bounced landing and the flight instructor's delayed remedial action, which resulted in a collision with trees at the departure end of the runway.
- [NTSB CEN19LA246](https://openairdocs.org/ntsb/CEN19LA246.md): Swearingen SA227 · El Paso, TX · Accident · No injuries · Class 3 · Limited · Final report · Jul 27, 2019 · N681TR · Substantial damage
  > Failure of the left main landing gear to fully extend due to a lack of hydraulic fluid and during emergency extension procedures, which resulted in the collapse of the landing gear during landing and the subsequent runway excursion and collision with a sign.
- [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 ERA19LA231](https://openairdocs.org/ntsb/ERA19LA231.md): Piper PA46 · Poughkeepsie, NY · Accident · Serious injuries · Class 3 · Limited · Final report · Jul 19, 2019 · N811SK · Substantial damage
  > A total loss of engine power due to fuel exhaustion as the result of a higher-than-expected fuel quantity reduction. Contributing was the pilot’s continued flight away from his selected precautionary landing site after identification of a fuel emergency,…
- [NTSB ERA19LA228](https://openairdocs.org/ntsb/ERA19LA228.md): Pietenpol BIG Piet · Gainesboro, TN · Accident · No injuries · Class 3 · Limited · Final report · Jul 16, 2019 · N973BP · Substantial damage
  > Separation of the spinner cap for reasons that could not be determined based on available evidence, which resulted in contact and subsequent separation of the wooden propeller blade tip.
- [NTSB DCA19CA170](https://openairdocs.org/ntsb/DCA19CA170.md): Boeing CV2 · Beeville, TX · Accident · No injuries · Data collection · Final report · Jun 21, 2019 · N243XT · Substantial damage
  > A higher than expected and accounted for crosswind which initiated a lateral deviation, and resulted in the aircraft reaching the limits of the geo-fence area triggering a contingency forced landing.
- [NTSB GAA19CA370](https://openairdocs.org/ntsb/GAA19CA370.md): Kirk Ellis Wendell Ptundradactyl · Friday Creek, AK · Accident · No injuries · Data collection · Final report · Jun 20, 2019 · N357WE · Substantial damage
  > The pilot's excessive brake application during landing on a short runway due to his lack of familiarity with the toe brakes, which resulted in a nose-over.
- [NTSB GAA19CA349](https://openairdocs.org/ntsb/GAA19CA349.md): Piper PA18 · Beluga, AK · Accident · No injuries · Data collection · Final report · Jun 16, 2019 · N91144 · Substantial damage
  > The pilot's selection of unsuitable terrain for landing, which resulted in a noseover.
- [NTSB WPR19FA172](https://openairdocs.org/ntsb/WPR19FA172.md): Nanchang CJ6 · Porter Ranch, CA · Accident · 1 fatal · Class 3 · Field · Final report · Jun 15, 2019 · N269AG · Substantial damage
  > The pilot’s continued flight into marginal visual meteorological conditions, which resulted in controlled flight into terrain.
- [NTSB GAA19CA324](https://openairdocs.org/ntsb/GAA19CA324.md): David Shotwell Murphy · South Lake Tahoe, CA · Accident · No injuries · Data collection · Final report · Jun 9, 2019 · N235DS · Substantial damage
  > The pilot's failure to properly tighten his seat belt, which allowed him to slide forward in his seat and resulted in his inadvertent application of excessive brake application during the landing roll and a subsequent noseover.
- [NTSB GAA19CA303](https://openairdocs.org/ntsb/GAA19CA303.md): Air Tractor AT502 · Rockford, OH · Accident · Minor injuries · Data collection · Final report · May 31, 2019 · N60518 · Substantial damage
  > The pilot's failure to maintain clearance from power lines during an agricultural application flight.
- [NTSB GAA19CA298](https://openairdocs.org/ntsb/GAA19CA298.md): Piper PA18 · Sparta, IL · Accident · No injuries · Data collection · Final report · May 31, 2019 · N530AK · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll, which resulted in a ground-loop.
- [NTSB ERA19FA183](https://openairdocs.org/ntsb/ERA19FA183.md): Vans Vans RV 4 · Green Cove Springs, FL · Accident · 1 fatal · Class 3 · Field · Final report · May 29, 2019 · N319RL · 2 aircraft · Destroyed
  > The failure of each pilot to maintain separation from the other airplane during intentional maneuvers within close proximity of each other.
- [NTSB CEN19LA152](https://openairdocs.org/ntsb/CEN19LA152.md): Rand Robinson KR2 · Poplar Grove, IL · Accident · Minor injuries · Class 3 · Limited · Final report · May 26, 2019 · N886MJ · Substantial damage
  > The loss of engine power due to vapor lock of the throttle body injection system.
- [NTSB CEN19FA144](https://openairdocs.org/ntsb/CEN19FA144.md): Vans RV6 · Chillicothe, OH · Accident · 1 fatal · Class 2 · Field · Final report · May 18, 2019 · N596JB · Destroyed
  > The pilot's failure to maintain control of the airplane following an intermittent loss of engine power during cruise flight that resulted in him impacting trees. The reason for the loss of engine power could not be determined based on the available…
- [NTSB GAA19CA262](https://openairdocs.org/ntsb/GAA19CA262.md): Cub Crafters Carbon CUB EX · Grand Junction, CO · Accident · No injuries · Data collection · Final report · May 11, 2019 · N56XC · Substantial damage
  > The pilot's failure to maintain clearance from power lines during low-level maneuvering through a canyon.
- [NTSB GAA19CA241](https://openairdocs.org/ntsb/GAA19CA241.md): Stemme S 10 · Sonoma, CA · Accident · Minor injuries · Data collection · Final report · May 3, 2019 · N2280X · Substantial damage
  > The pilot's improper decision to land with a tailwind and his failure to maintain a proper approach, which resulted in a long landing, a runway overrun, and impact with a tree.
- [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 GAA19CA200](https://openairdocs.org/ntsb/GAA19CA200.md): Zenair Zenith CH 801 · Fort Worth, TX · Accident · No injuries · Data collection · Final report · Apr 4, 2019 · N801R · Substantial damage
  > The pilot's failure to maintain lateral control in flight and his subsequent loss of directional control during landing with a crosswind, which resulted in a runway excursion and impact with terrain.
- [NTSB ERA19LA139](https://openairdocs.org/ntsb/ERA19LA139.md): Marlow Bearhawk · Sevierville, TN · Accident · No injuries · Class 3 · Limited · Final report · Mar 27, 2019 · N22GM · Substantial damage
  > Abnormal combustion in the No. 1 cylinder for reasons that could not be determined based on the available evidence, followed by the activation of the ignition system circuit breaker, which resulted in a total loss of engine power.
- [NTSB WPR19FA091](https://openairdocs.org/ntsb/WPR19FA091.md): Bell UH1B · Forks, WA · Accident · 1 fatal · Class 2 · Field · Final report · Mar 8, 2019 · N64RA · Destroyed
  > A total loss of engine power due to the failure of the gas generator sealing disk as a result of the operator’s exceedance of the sealing disk life limits at too low an altitude for the pilot to accomplish a successful autorotation which resulted in the…
- [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 GAA19CA075](https://openairdocs.org/ntsb/GAA19CA075.md): Darren M. Vinelli Sopwith PUP · Rio Vista, CA · Accident · No injuries · Data collection · Final report · Nov 26, 2018 · N1916Z · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll in gusting tailwind conditions.
- [NTSB WPR19LA029](https://openairdocs.org/ntsb/WPR19LA029.md): BKF Backcountry Supercub · Casper, WY · Accident · No injuries · Class 3 · Limited · Final report · Nov 19, 2018 · N59BK · Substantial damage
  > The seizure of two bearings in the reduction gearbox, resulting in the total loss of engine power. Contributing to the accident was a high descent rate which resulted in a hard landing.
- [NTSB GAA19CA068](https://openairdocs.org/ntsb/GAA19CA068.md): Silveira Jonathan A Sonex · Corona, CA · Accident · No injuries · Data collection · Final report · Nov 19, 2018 · N322JS · 2 aircraft · Substantial damage
  > The pilot’s failure to see and avoid the airplane on the runway while landing and the pilot receiving instruction’s and flight instructor's failure to properly scan the approach before pulling onto the runway during the takeoff.
- [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 ERA19FA020](https://openairdocs.org/ntsb/ERA19FA020.md): Bowers Flybaby · Milton, FL · Accident · 1 fatal · Field investigation · Final report · Oct 19, 2018 · N107KW · Substantial damage
  > A loss of engine power for reasons that could not be determined, and the pilot's subsequent exceedance of the airplane's critical angle of attack, which resulted in an aerodynamic stall at low altitude.
- [NTSB ERA19LA018](https://openairdocs.org/ntsb/ERA19LA018.md): Jabiru 250 · Daytona Beach Shores, FL · Accident · Minor injuries · Class 3 · Limited · Final report · Oct 16, 2018 · N207Y · Substantial damage
  > A total loss of engine power for reasons that could not be determined based on the available information.
- [NTSB GAA18CA573](https://openairdocs.org/ntsb/GAA18CA573.md): Hiller UH 12E · Frankfort, KS · Accident · No injuries · Data collection · Final report · Sep 20, 2018 · N1349A · Substantial damage
  > The ground crewmember's improper grabbing of the hovering helicopter's skid during an external load hook-up, which resulted in the helicopter descending and the main rotors striking ground equipment.
- [NTSB WPR18FA261](https://openairdocs.org/ntsb/WPR18FA261.md): Gruber Beelzabub · Rochester, WA · Accident · 2 fatal · Class 3 · Field · Final report · Sep 14, 2018 · N382T · Substantial damage
  > The pilot’s failure to maintain clearance from a tree while maneuvering at a low altitude.
- [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 GAA18CA548](https://openairdocs.org/ntsb/GAA18CA548.md): Vans Vans RV 8 · Carson, NV · Accident · No injuries · Data collection · Final report · Sep 11, 2018 · N289MM · Substantial damage
  > The pilot's improper landing flare, which resulted in a bounced landing, and his subsequent failure to maintain directional control in gusting, right quartering tailwind conditions.
- [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 ERA18FA240](https://openairdocs.org/ntsb/ERA18FA240.md): Lance M Hooley Jetez · Covington, TN · Accident · 1 fatal · Field investigation · Final report · Sep 1, 2018 · N815EY · Destroyed
  > The improper manufacture of the left wing, which resulted in a left wing flutter event and failure at low altitude and high speed.
- [NTSB GAA18CA540](https://openairdocs.org/ntsb/GAA18CA540.md): Yakovlev YAK 52 · East Stroudsburg, PA · Accident · No injuries · Data collection · Final report · Aug 25, 2018 · N3042W · Substantial damage
  > The pilot's failure to extend the landing gear during landing, which resulted in a runway excursion and subsequent impact with terrain.
- [NTSB WPR18FA232](https://openairdocs.org/ntsb/WPR18FA232.md): Hughes 369 · Granger, TX · Accident · 2 fatal · Field investigation · Final report · Aug 21, 2018 · N530FU · Destroyed
  > The failure of both pilots to see and avoid a power line while maneuvering at low altitude. Contributing to the accident was the flight instructor's decision to not follow the training syllabus and allow the low-level high-speed flight.
- [NTSB WPR18LA233](https://openairdocs.org/ntsb/WPR18LA233.md): Blue Oak CCK-1865 · Deadwood, CA · Accident · No injuries · Limited investigation · Final report · Aug 20, 2018 · N14CK · Substantial damage
  > A loss of engine power due to fuel exhaustion and the pilot's failure to ensure that the left-wing fuel cap was secure before flight. Contributing to the accident was the pilot's failure to monitor fuel levels while in flight.
- [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 GAA18CA454](https://openairdocs.org/ntsb/GAA18CA454.md): Cessna 172 · Meadow Lakes, AK · Accident · No injuries · Data collection · Final report · Jul 25, 2018 · N171Q · Substantial damage
  > The pilot’s selection of the wrong fuel tank for departure, which resulted in fuel starvation and the subsequent total loss of engine power.
- [NTSB ANC18LA057](https://openairdocs.org/ntsb/ANC18LA057.md): Aeros Venture 2000 · Bad Axe, MI · Accident · 1 fatal · Limited investigation · Final report · Jul 23, 2018 · N43865 · Substantial damage
  > The pilot's loss of aircraft control for reasons that could not be determined based on the available information.
- [NTSB WPR18FA200](https://openairdocs.org/ntsb/WPR18FA200.md): De Havilland DH112 Venom · Sheboygan, WI · Accident · 1 fatal · Field investigation · Final report · Jul 20, 2018 · N747J · Destroyed
  > The airplane's encounter with wake turbulence from the lead airplane in the formation flight, which resulted in a compressor stall and the airplane's subsequent inability to climb.
- [NTSB GAA18CA437](https://openairdocs.org/ntsb/GAA18CA437.md): Cessna 180 · Bozeman, MT · Accident · No injuries · Data collection · Final report · Jul 19, 2018 · N3224D · Substantial damage
  > The pilot's failure to maintain directional control during landing.
- [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 CEN18LA239](https://openairdocs.org/ntsb/CEN18LA239.md): Sibila MH-1 · Beach City, OH · Accident · Serious injuries · Limited investigation · Final report · Jun 25, 2018 · N32KS · Substantial damage
  > The total loss of engine power for reasons that could not be determined based on the available evidence.

Next page: https://openairdocs.org/ntsb.md?engine=99999&page=7

## 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'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=99999&page=6

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