# 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 4 of 41 · 2,048 cases

## Cases, newest first

- [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 CEN22LA411](https://openairdocs.org/ntsb/CEN22LA411.md): Cessna T210L · Atoka, OK · Accident · No injuries · Class 4 · Limited · Final report · Aug 24, 2022 · N2317G · Substantial damage
  > The pilot's failure to land the airplane within the desired touchdown zone, which resulted in a long landing and collision with a fence.
- [NTSB WPR22FA312](https://openairdocs.org/ntsb/WPR22FA312.md): Jackson Dennis RV-8 · Scio, OR · Accident · 2 fatal · Class 3 · Field · Final report · Aug 21, 2022 · N184DJ · Substantial damage
  > The pilot’s decision to perform a low-altitude aerobatic maneuver and his improper execution of the maneuver, which resulted in impact with 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 CEN22LA380](https://openairdocs.org/ntsb/CEN22LA380.md): Cessna 172 · McCarthy, AK · Accident · No injuries · Class 4 · Limited · Final report · Aug 7, 2022 · N171Q · Substantial damage
  > The pilot’s failure to maintain control of the airplane during takeoff in turbulent weather conditions.
- [NTSB CEN22LA356](https://openairdocs.org/ntsb/CEN22LA356.md): Arbc Inc DBA Lindstrand 150A · Indianola, IA · Accident · Serious injuries · Class 4 · Limited · Final report · Jul 30, 2022 · N316EB · Minor damage
  > The pilot’s failure to maintain clearance from power lines during low-level maneuvering.
- [NTSB CEN22LA336](https://openairdocs.org/ntsb/CEN22LA336.md): Beech A36 · Ray, MI · Accident · Serious injuries · Class 3 · Limited · Final report · Jul 24, 2022 · N60ED · Substantial damage
  > The pilot’s early rotation on takeoff, which resulted in insufficient airspeed and an inability to gain sufficient altitude to clear the trees.
- [NTSB ANC22LA059](https://openairdocs.org/ntsb/ANC22LA059.md): Kakeldey Ronald O Smith PA12 EXP · Beluga, AK · Accident · No injuries · Class 4 · Limited · Final report · Jul 1, 2022 · N73AK · Substantial damage
  > The pilot’s loss of control during the landing roll.
- [NTSB WPR22FA227](https://openairdocs.org/ntsb/WPR22FA227.md): Cessna 152 · Mendon, UT · Accident · 2 fatal · Class 3 · Field · Final report · Jun 24, 2022 · N934JH · Substantial damage
  > The flight instructor’s failure to recover from a developed spin, which resulted in impact with terrain. Contributing to the accident was the flight instructor’s decision to enter the maneuver below the operator’s altitude limitation.
- [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 ERA22LA270](https://openairdocs.org/ntsb/ERA22LA270.md): Burrill Steven E A Plane · Middleboro, MA · Accident · Minor injuries · Class 3 · Limited · Final report · Jun 11, 2022 · N51324 · Substantial damage
  > A total loss of engine power for reasons that could not be determined.
- [NTSB ERA22LA268](https://openairdocs.org/ntsb/ERA22LA268.md): Wingren Norman Escapade · Brasstown, NC · Accident · No injuries · Class 3 · Limited · Final report · May 9, 2022 · N86RD · Substantial damage
  > The failure of the engine gearbox drive flange, which resulted in a nose gear collapse during the subsequent precautionary landing in tall grass.
- [NTSB CEN22LA191](https://openairdocs.org/ntsb/CEN22LA191.md): Vans RV6A · Mankato, MN · Accident · Serious injuries · Class 3 · Limited · Final report · May 4, 2022 · N5060 · Substantial damage
  > The pilot’s failure to maintain directional control while landing with a higher airspeed.
- [NTSB CEN22LA184](https://openairdocs.org/ntsb/CEN22LA184.md): Piper PA-24-260 · Terre Haute, IN · Accident · No injuries · Class 3 · Limited · Final report · Apr 27, 2022 · N73T · Substantial damage
  > A hard landing, which resulted in the failure of the right main landing gear outer bearing and collapse of the landing gear.
- [NTSB ERA22LA187](https://openairdocs.org/ntsb/ERA22LA187.md): Lancair IV · Leicester, MA · Accident · No injuries · Class 3 · Limited · Final report · Apr 10, 2022 · N7KJ · Substantial damage
  > A separation of the window from the airframe for undetermined reasons.
- [NTSB WPR22LA150](https://openairdocs.org/ntsb/WPR22LA150.md): Alexander Schleicher ASK 21 · Valyermo, CA · Accident · No injuries · Class 4 · Limited · Final report · Apr 8, 2022 · N212NM · Substantial damage
  > The gliders encounter with atmospheric conditions where the lift was not sufficient to maintain flight and subsequent impact with mountainous terrain.
- [NTSB WPR22LA142](https://openairdocs.org/ntsb/WPR22LA142.md): Barber Robert L Sonerai II L · Jean, NV · Accident · Serious injuries · Class 3 · Limited · Final report · Apr 3, 2022 · N333BM · Substantial damage
  > A reported loss of engine power for undetermined reasons.
- [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 WPR22LA128](https://openairdocs.org/ntsb/WPR22LA128.md): Newell Michael J Lancair ES · Hurricane, UT · Accident · No injuries · Class 4 · Limited · Final report · Mar 19, 2022 · N4949B · Substantial damage
  > Loss of brake pressure on the left brake due to air in the brake line which, resulted in a runway over run and collision with a ditch.
- [NTSB ERA22LA165](https://openairdocs.org/ntsb/ERA22LA165.md): Nordquist Richard A Vans RV7 · Polk City, FL · Accident · Minor injuries · Class 4 · Limited · Final report · Mar 17, 2022 · N275PL · Substantial damage
  > A loss of control during landing due to the loose and uneven landing surface.
- [NTSB WPR22LA108](https://openairdocs.org/ntsb/WPR22LA108.md): Kitfox S7 · Phoenix, AZ · Accident · No injuries · Class 4 · Limited · Final report · Feb 20, 2022 · N1248 · Substantial damage
  > The pilot’s improper landing flare and subsequent failure to maintain directional control of the airplane during landing, which resulted in a runway excursion.
- [NTSB DCA22FA082](https://openairdocs.org/ntsb/DCA22FA082.md): Joby Aero JAS4-2 · Jolon, CA · Accident · No injuries · Class 3 · Field · Final report · Feb 16, 2022 · N542AJ · Substantial damage
  > The separation of a propeller blade during expansion flight testing that resulted in cascading effects to include the separation of multiple propulsion motor/propeller assemblies and the loss of remote pilot control of the aircraft. Contributing to the…
- [NTSB ERA22LA132](https://openairdocs.org/ntsb/ERA22LA132.md): Cessna 140 · New Bern, NC · Accident · No injuries · Class 4 · Limited · Final report · Feb 11, 2022 · N2509N · Substantial damage
  > The loss of brake pressure on the left brake due to a failed O-ring seal.
- [NTSB ERA22LA110](https://openairdocs.org/ntsb/ERA22LA110.md): Miller Roger Thatcher CX4 · Angier, NC · Accident · Serious injuries · Class 4 · Limited · Final report · Jan 18, 2022 · N254RM · Substantial damage
  > The pilot’s encounter with a flock of birds on final approach, which resulted in a loss of control, an aerodynamic stall and spin, and impact with trees and terrain.
- [NTSB CEN22LA089](https://openairdocs.org/ntsb/CEN22LA089.md): Lancair IV · Iron Mountain, MI · Accident · Minor injuries · Class 3 · Limited · Final report · Dec 25, 2021 · N994PT · Substantial damage
  > The total loss of engine power after takeoff for undetermined reasons.
- [NTSB WPR22LA066](https://openairdocs.org/ntsb/WPR22LA066.md): Cameron Balloons U S A-315 · Phoenix, AZ · Accident · Serious injuries · Class 4 · Limited · Final report · Dec 20, 2021 · N317RR · No damage
  > The pilot’s inability to maintain balloon control during a high wind landing, which resulted in a serious passenger injury.
- [NTSB ERA22LA081](https://openairdocs.org/ntsb/ERA22LA081.md): Globe GC-1B · Bennettsville, SC · Accident · Serious injuries · Class 4 · Limited · Final report · Dec 4, 2021 · N7824S · Substantial damage
  > The pilot’s inadequate preflight planning, resulting in a takeoff attempt from a grass parking area instead of the runway and subsequent impact with a pole.
- [NTSB CEN22LA071](https://openairdocs.org/ntsb/CEN22LA071.md): Vans RV8 · Wichita Falls, TX · Accident · Serious injuries · Class 3 · Limited · Final report · Dec 4, 2021 · N421RT · Substantial damage
  > The pilot’s improper fuel management that resulted in a total loss of engine power due to fuel starvation.
- [NTSB CEN22LA063](https://openairdocs.org/ntsb/CEN22LA063.md): Mcdonnell Douglas Helicopter 369E · St. Louis, MO · Accident · No injuries · Class 4 · Limited · Final report · Dec 2, 2021 · N911PH · Substantial damage
  > The pilot’s failure to apply power during the recovery procedure for the practice autorotation, which resulted in a hard landing.
- [NTSB WPR22FA048](https://openairdocs.org/ntsb/WPR22FA048.md): Zenith Zodiac CH601XL · Temecula, CA · Accident · 1 fatal · Class 3 · Field · Final report · Nov 23, 2021 · N601KS · Destroyed
  > The failure of the airplane’s canopy latch system, which resulted in the canopy opening in flight and a loss of airplane control. Contributing to the accident was the lack of a secondary canopy latch as recommended by the kit manufacturer.
- [NTSB WPR22LA045](https://openairdocs.org/ntsb/WPR22LA045.md): Elvin Jack R JR Rotorway Exec 162F · Scio, OR · Accident · No injuries · Class 4 · Limited · Final report · Nov 22, 2021 · N102LD · Substantial damage
  > The pilot’s improper maintenance on the tail rotor assembly, which resulted in the loss of control and roll over.
- [NTSB WPR22LA035](https://openairdocs.org/ntsb/WPR22LA035.md): Sonex Waiex B · Laveen Village, AZ · Accident · Minor injuries · Class 3 · Limited · Final report · Nov 15, 2021 · N535D · Substantial damage
  > Failure of the rocker swivel assembly due to either wear or corrosion, which resulted in a loss of engine power.
- [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 WPR22LA019](https://openairdocs.org/ntsb/WPR22LA019.md): Lancair ES · Fall Creek, OR · Accident · No injuries · Class 3 · Limited · Final report · Oct 15, 2021 · N511ZZ · Substantial damage
  > Total loss of engine power due to fatigue failure of the camshaft gear.
- [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 WPR21LA356](https://openairdocs.org/ntsb/WPR21LA356.md): Kitfox S7 · Hooper, UT · Accident · Minor injuries · Class 4 · Limited · Final report · Sep 23, 2021 · N696CP · Substantial damage
  > The pilot’s excessive brake pressure which resulted in the airplane nosing over and coming to rest inverted.
- [NTSB CEN21FA426](https://openairdocs.org/ntsb/CEN21FA426.md): Rans S20 · Wadsworth, OH · Accident · 1 fatal · Class 3 · Field · Final report · Sep 18, 2021 · N6915G · Destroyed
  > The pilot’s decision to depart shortly after a landing helicopter, which resulted in an encounter with the helicopter’s wake turbulence and a loss of airplane control. Contributing to the accident was the pilot’s impairment by his recent use of ethanol.
- [NTSB CEN21LA402](https://openairdocs.org/ntsb/CEN21LA402.md): Murphy Renegade II · Sheridan, IL · Accident · No injuries · Class 3 · Limited · Final report · Sep 5, 2021 · N490DJ · Substantial damage
  > A total loss of engine power during initial climb due to a piston seizure.
- [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 ERA21LA337](https://openairdocs.org/ntsb/ERA21LA337.md): Vans RV7 · Mount Holly, NJ · Accident · Minor injuries · Class 4 · Limited · Final report · Aug 21, 2021 · N838WT · Substantial damage
  > The pilot’s improper recovery from a bounced landing, resulting in a touchdown on the nose gear first, resulting in damage to the nose gear and a runway excursion.
- [NTSB ERA21LA332](https://openairdocs.org/ntsb/ERA21LA332.md): Rotorway Exec 162 · Lindale, GA · Accident · No injuries · Class 4 · Limited · Final report · Aug 18, 2021 · N162LR · Substantial damage
  > The pilot's improper judgment of the helicopter’s height above ground during the landing flare, which resulted in a hard landing with forward airspeed and subsequent bounce and rollover.
- [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 ERA21FA317](https://openairdocs.org/ntsb/ERA21FA317.md): Rotorway Exec 162F · Argyle, NY · Accident · 2 fatal · Class 3 · Field · Final report · Aug 7, 2021 · N162KJ · Destroyed
  > The pilot’s abrupt control inputs, which resulted in a low G condition, main rotor mast bumping, and the subsequent severing of the tail boom by a main rotor blade.
- [NTSB CEN21LA336](https://openairdocs.org/ntsb/CEN21LA336.md): Driver RV-7 · Oshkosh, WI · Accident · No injuries · Class 3 · Limited · Final report · Jul 23, 2021 · N977RV · 2 aircraft · Substantial damage
  > The RV-8 pilot’s failure to account for the position of the RV-7 behind him during the landing roll in a staggered landing formation, which resulted in a ground collision of the two airplanes. Contributing to the accident was the self-induced pressure created…
- [NTSB ERA21LA294](https://openairdocs.org/ntsb/ERA21LA294.md): Turbine Cubs Of Wyoming PA-18 Super CUB · Dinwiddie, VA · Accident · No injuries · Class 4 · Limited · Final report · Jul 19, 2021 · N507TC · Substantial damage
  > The pilot’s failure to maintain control while taxiing on soft ground, which resulted in a nose-over.
- [NTSB WPR21LA276](https://openairdocs.org/ntsb/WPR21LA276.md): Payne Steven R RV-8 · Hillsboro, OR · Accident · No injuries · Class 4 · Limited · Final report · Jul 9, 2021 · N526KP · 2 aircraft · Substantial damage
  > The second pilot’s diverted attention while taxing which, resulted in his failure to maintain clearance from another airplane holding short of the runway.
- [NTSB ANC21LA058](https://openairdocs.org/ntsb/ANC21LA058.md): Maule M-5-210C · Anchorage, AK · Accident · No injuries · Class 4 · Limited · Final report · Jul 7, 2021 · N349X · Substantial damage
  > The pilot’s impact with a log while dragging an off-airport landing site.
- [NTSB CEN21LA309](https://openairdocs.org/ntsb/CEN21LA309.md): Titan T-51D · Ashtabula, OH · Accident · No injuries · Class 3 · Limited · Final report · Jul 6, 2021 · N15180 · Substantial damage
  > The tripped engine control computer circuit breaker caused by an excessive electrical load on the system, which resulted in a complete loss of engine power during the initial climb.

Next page: https://openairdocs.org/ntsb.md?engine=99999&page=5

## 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=4

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