# 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 13 of 41 · 2,048 cases

## Cases, newest first

- [NTSB CEN11LA499](https://openairdocs.org/ntsb/CEN11LA499.md): Air Tractor AT-502 · Fergus Falls, MN · Accident · No injuries · Limited investigation · Final report · Jul 22, 2011 · N1516G · Substantial damage
  > The total loss of engine power for reasons that could not be determined because the airplane came to rest inverted in water.
- [NTSB CEN11FA469](https://openairdocs.org/ntsb/CEN11FA469.md): Bowie Richard Sonerai II · Dudley, MO · Accident · 1 fatal · Field investigation · Final report · Jul 9, 2011 · N113RB · Substantial damage
  > Fuel starvation due to the pilot’s improper fuel management and his decision to conduct the flight while under the influence of marijuana.
- [NTSB ANC11LA060](https://openairdocs.org/ntsb/ANC11LA060.md): Sonex / John D. McCarter Waiex · Sterling, AK · Accident · Serious injuries · Limited investigation · Final report · Jul 7, 2011 · N18YX · Substantial damage
  > The pilot's failure to maintain sufficient airspeed to avoid an aerodynamic stall following a loss of engine power for undetermined reasons.
- [NTSB CEN11FA443](https://openairdocs.org/ntsb/CEN11FA443.md): Koen Lancair Laser IV-P · Port O'Connor, TX · Accident · 2 fatal · Field investigation · Final report · Jul 3, 2011 · N11001 · Substantial damage
  > The pilot’s loss of airplane control for reasons that could not be determined from the available information.
- [NTSB ERA11FA374](https://openairdocs.org/ntsb/ERA11FA374.md): Binkley Richard Sonex · Calhoun, GA · Accident · 1 fatal · Field investigation · Final report · Jul 2, 2011 · N6PX · Substantial damage
  > The total loss of engine power for reasons that could not be determined because postimpact fire damage precluded a thorough examination of the engine.
- [NTSB CEN11LA449](https://openairdocs.org/ntsb/CEN11LA449.md): Abbey Victor RV9-A · Leander, TX · Accident · Minor injuries · Limited investigation · Final report · Jun 30, 2011 · N59VA · Substantial damage
  > The partial loss of engine power for reasons that could not be determined because examination of the engine did not reveal any anomalies that would have precluded normal operation.
- [NTSB CEN11FA431](https://openairdocs.org/ntsb/CEN11FA431.md): Bosonetto Thorp T-18 · Howell, MI · Accident · 2 fatal · Field investigation · Final report · Jun 29, 2011 · N8AL · Substantial damage
  > The pilot's failure to maintain airplane control and airspeed during final approach, which resulted in an aerodynamic stall/spin at a low altitude.
- [NTSB WPR11LA290](https://openairdocs.org/ntsb/WPR11LA290.md): Christen Industries Pitts S-1T · Alkali Lake, OR · Accident · Minor injuries · Limited investigation · Final report · Jun 26, 2011 · N77MN · Substantial damage
  > The loss of engine oil during cruise flight due to the failure of the front bearing oil seal.
- [NTSB WPR11CA281](https://openairdocs.org/ntsb/WPR11CA281.md): Piper PA-36-285 · Havre, MT · Accident · No injuries · Data collection · Final report · Jun 23, 2011 · N57736 · Substantial damage
  > The pilot's failure to maintain directional control during takeoff.
- [NTSB WPR11LA280](https://openairdocs.org/ntsb/WPR11LA280.md): Inhofe/ Davis Vans RV-8 · Sheridan, WY · Accident · No injuries · Limited investigation · Final report · Jun 22, 2011 · N4546Y · Substantial damage
  > The pilot's inadequate directional control during the landing roll.
- [NTSB ERA11CA355](https://openairdocs.org/ntsb/ERA11CA355.md): Dotson William P Sngl Seat Hawk Arrow · Carthage, NC · Accident · No injuries · Data collection · Final report · Jun 20, 2011 · N4209F · Substantial damage
  > A partial loss of engine power due to the pilot’s improper installation of the engine’s No. 1 cylinder spark plugs.
- [NTSB CEN11LA402](https://openairdocs.org/ntsb/CEN11LA402.md): Cessna P210R · Albia, IA · Accident · Serious injuries · Limited investigation · Final report · Jun 18, 2011 · N900SR · Substantial damage
  > The pilot's inadequate preflight inspection, in which he did not detect that less fuel was on board the airplane than planned, which precipitated a loss of engine power due to fuel exhaustion during initial descent.
- [NTSB WPR11FA258](https://openairdocs.org/ntsb/WPR11FA258.md): Bowley Murphy · Aguila, AZ · Accident · No injuries · Field investigation · Final report · Jun 12, 2011 · N189SB · Substantial damage
  > A fire that originated from a fuel leak at an undetermined location in the engine compartment. Contributing to the accident was the builder's use of non-aviation hardware for engine fluid fittings and lines.
- [NTSB ERA11CA311](https://openairdocs.org/ntsb/ERA11CA311.md): Southern Airmotive SAC · Taccoa, GA · Accident · No injuries · Data collection · Final report · May 17, 2011 · N1150 · Substantial damage
  > The pilot's inadequate compensation for crosswind conditions during landing, resulting in a runway excursion and collision with a hangar.
- [NTSB CEN11CA314](https://openairdocs.org/ntsb/CEN11CA314.md): Prichard Kevin Legacy 2K · Kansas City, MO · Accident · No injuries · Data collection · Final report · May 2, 2011 · N50KP · Substantial damage
  > The pilot's misjudgment of the landing area, which resulted in the airplane touching down on a grass area adjacent to the runway and between parallel taxiways.
- [NTSB WPR11CA208](https://openairdocs.org/ntsb/WPR11CA208.md): Doktor Fiberglas H101 Salto · Peoria, AZ · Accident · No injuries · Data collection · Final report · Apr 24, 2011 · N110AZ · Substantial damage
  > The glider's encounter with turbulence and loss of lift, which resulted in a ditching in a lake.
- [NTSB WPR11CA206](https://openairdocs.org/ntsb/WPR11CA206.md): Tew William P Team Rocket F1 · Heber, UT · Accident · No injuries · Data collection · Final report · Apr 23, 2011 · N5491W · Substantial damage
  > The pilot's failure to maintain directional control during landing.
- [NTSB WPR11LA199](https://openairdocs.org/ntsb/WPR11LA199.md): Zenith CH-750 · Winchester, CA · Accident · Minor injuries · Limited investigation · Final report · Apr 14, 2011 · N632DR · Substantial damage
  > A total loss of engine power during descent for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.
- [NTSB ERA11LA234](https://openairdocs.org/ntsb/ERA11LA234.md): Let L 33 Solo · New Castle, VA · Accident · 1 fatal · Limited investigation · Final report · Apr 10, 2011 · N286BA · Substantial damage
  > Pilot incapacitation shortly after takeoff for unknown reasons.
- [NTSB WPR11LA190](https://openairdocs.org/ntsb/WPR11LA190.md): Bell 47G · Torrance, CA · Accident · Minor injuries · Limited investigation · Final report · Apr 6, 2011 · N9FK · Substantial damage
  > The pilot did not maintain adequate altitude during takeoff, which resulted in ground contact and a dynamic rollover.
- [NTSB ERA11FA222](https://openairdocs.org/ntsb/ERA11FA222.md): Replogle Lancair 360 · Chesapeake, VA · Accident · 2 fatal · Field investigation · Final report · Apr 3, 2011 · N164T · Substantial damage
  > The pilot did not maintain airspeed following a loss of engine power, which resulted in an aerodynamic stall and spin. Contributing to the accident was the pilot's selection of the wrong fuel tank at takeoff, which resulted in fuel starvation and the total…
- [NTSB ERA11LA213](https://openairdocs.org/ntsb/ERA11LA213.md): Holst Lawrence E VP-1 · Calhoun, GA · Accident · Minor injuries · Limited investigation · Final report · Mar 25, 2011 · N770VP · Substantial damage
  > A partial loss of engine power during initial climb due to an over-lean carburetor setting. Contributing to the accident was the pilot's improper adjustment of the engine's carburetor during construction.
- [NTSB ERA11LA200](https://openairdocs.org/ntsb/ERA11LA200.md): Piper PA-18A 150 · Hollywood, FL · Accident · No injuries · Limited investigation · Final report · Mar 19, 2011 · N9692D · Substantial damage
  > A total loss of engine power for undetermined reasons.
- [NTSB WPR11FA147](https://openairdocs.org/ntsb/WPR11FA147.md): Neefjes Lancair 360 MK-II · Milford, UT · Accident · 1 fatal · Field investigation · Final report · Feb 27, 2011 · N989TT · Substantial damage
  > The pilot's loss of control of the airplane due to spatial disorientation after inadvertently entering instrument meteorological conditions. Contributing to the accident were the pilot's inadequate preflight preparation, his en route decision-making, and his…
- [NTSB WPR11CA124](https://openairdocs.org/ntsb/WPR11CA124.md): Cessna 182D · Quartzsite, AZ · Accident · No injuries · Data collection · Final report · Feb 6, 2011 · N8859X · Substantial damage
  > The pilot's inadequate compensation for the wind and subsequent loss of directional control, which resulted in a runway excursion and collision with a parked aircraft.
- [NTSB WPR11LA080](https://openairdocs.org/ntsb/WPR11LA080.md): Schaefer Kitfox 4 · Glendale, AZ · Accident · Serious injuries · Limited investigation · Final report · Dec 23, 2010 · N95FT · Substantial damage
  > The pilot's failure to recognize the onset of and to prevent an aerodynamic stall at low altitude. Contributing to the accident were the manufacturer’s conflicting guidance about the power setting for takeoff and the pilot’s decision to conduct a…
- [NTSB CEN11LA090](https://openairdocs.org/ntsb/CEN11LA090.md): Southerland Freebird Litesport U · Decatur, IL · Accident · 1 fatal · Limited investigation · Final report · Dec 2, 2010 · N415US · Substantial damage
  > The pilot's reported inability to control his amateur-built airplane for undetermined reasons after the airplane inadvertently became airborne while conducting a high-speed taxi.
- [NTSB ERA11CA092](https://openairdocs.org/ntsb/ERA11CA092.md): Haeussler Ray Sonex · Buffalo, NY · Accident · No injuries · Data collection · Final report · Nov 29, 2010 · N469SA · Substantial damage
  > The pilot's failure to maintain directional control during takeoff due to his abrupt advancing of the throttle.
- [NTSB CEN11CA065](https://openairdocs.org/ntsb/CEN11CA065.md): Welch Thomas RV9 · Sac City, IA · Accident · No injuries · Data collection · Final report · Nov 3, 2010 · N475TW · Substantial damage
  > The pilot's loss of directional control while landing with a gusting wind.
- [NTSB ERA11LA043](https://openairdocs.org/ntsb/ERA11LA043.md): Aviat Pitts S-2B · Hilton Head Island, SC · Accident · No injuries · Limited investigation · Final report · Oct 29, 2010 · N8ZT · 2 aircraft · Minor damage
  > The Pitts pilot's inadequate visual lookout and failure to maintain clearance from the Cirrus airplane.
- [NTSB CEN11LA045](https://openairdocs.org/ntsb/CEN11LA045.md): Walker Kenneth Sonex · San Angelo, TX · Accident · Serious injuries · Limited investigation · Final report · Oct 29, 2010 · N234KS · Substantial damage
  > The pilot's loss of airplane control. Contributing to the accident was the pilot's impairment due to alcohol.
- [NTSB CEN11CA047](https://openairdocs.org/ntsb/CEN11CA047.md): Aardema Robert John 1 Aardema RAG WNG SP · Oshtemo, MI · Accident · No injuries · Data collection · Final report · Oct 29, 2010 · N768BA · Substantial damage
  > The failure of the ignition system wiring, which resulted in a total loss of engine power.
- [NTSB ERA11CA029](https://openairdocs.org/ntsb/ERA11CA029.md): Squeglia R/Wheeler W Hummel Bird · Hollywood, FL · Accident · No injuries · Data collection · Final report · Oct 18, 2010 · N824RS · Substantial damage
  > The pilot's inadequate flare, which resulted in a hard landing.
- [NTSB CEN11CA035](https://openairdocs.org/ntsb/CEN11CA035.md): Borne Charles A III RV-4 · Los Lunas, NM · Accident · Minor injuries · Data collection · Final report · Oct 17, 2010 · N353CB · Substantial damage
  > The pilot's improper flare, which resulted in a hard landing and loss of directional control.
- [NTSB WPR11CA018](https://openairdocs.org/ntsb/WPR11CA018.md): Deitz Avid Flyer MK4 · Colville, WA · Accident · Minor injuries · Data collection · Final report · Oct 16, 2010 · N169WP · Substantial damage
  > The pilot's failure to compensate for a wind gust and maintain runway alignment during final approach to land, which resulted in an in-flight collision with a tree.
- [NTSB CEN11CA028](https://openairdocs.org/ntsb/CEN11CA028.md): Weddington Double Eagle · Temple, TX · Accident · Minor injuries · Data collection · Final report · Oct 16, 2010 · N132BE · Substantial damage
  > The loss of engine power for undetermined reasons.
- [NTSB ERA11LA011](https://openairdocs.org/ntsb/ERA11LA011.md): Grumman G164 · Edison, GA · Accident · No injuries · Limited investigation · Final report · Oct 1, 2010 · N48417 · Substantial damage
  > Leakage of hydraulic fluid from the internal fuselage line fitting, resulting in a subsequent loss of the right brake’s effectiveness.
- [NTSB CEN11CA002](https://openairdocs.org/ntsb/CEN11CA002.md): Gingerich Alton & Slagel Dean Christavia MK 1 · Nappanee, IN · Accident · No injuries · Data collection · Final report · Oct 1, 2010 · N9049S · Substantial damage
  > The total loss of engine power for undetermined reasons.
- [NTSB WPR10CA466](https://openairdocs.org/ntsb/WPR10CA466.md): Hiller UH-12E · Mecca, CA · Accident · Minor injuries · Data collection · Final report · Sep 21, 2010 · N6053H · Substantial damage
  > The pilot's failure to maintain clearance from an obstacle while maneuvering.
- [NTSB WPR10LA462](https://openairdocs.org/ntsb/WPR10LA462.md): Cosmos Phase II · El Mirage, CA · Accident · 1 fatal · Limited investigation · Final report · Sep 20, 2010 · N56078 · Substantial damage
  > The pilot's improper preflight and starting procedures, which resulted in an inadvertent takeoff with the gust lock still installed.
- [NTSB WPR10LA468](https://openairdocs.org/ntsb/WPR10LA468.md): Giboney Thunder Mustang · Reno, NV · Accident · Minor injuries · Limited investigation · Final report · Sep 19, 2010 · N151G · Substantial damage
  > Failure of a connecting rod bearing and two connecting rods, which resulted in a loss of engine power while maneuvering at low altitude.
- [NTSB ERA10CA476](https://openairdocs.org/ntsb/ERA10CA476.md): Goodman Robert Bruce RV-4 · Gainesville, GA · Accident · No injuries · Data collection · Final report · Sep 12, 2010 · N311U · Substantial damage
  > The pilot's failure to see and avoid marked power lines during low-level flight over a lake.
- [NTSB CEN10CA537](https://openairdocs.org/ntsb/CEN10CA537.md): Lewis Brandon Scott Exterminator · Rockford, IL · Accident · Minor injuries · Data collection · Final report · Sep 12, 2010 · N815SL · Substantial damage
  > The pilot's failure to maintain control of the gyrocopter while practicing takeoffs and landings.
- [NTSB CEN10CA530](https://openairdocs.org/ntsb/CEN10CA530.md): Cullis Ultracruiser Sport · Defiance, OH · Accident · No injuries · Data collection · Final report · Sep 5, 2010 · N716CS · Substantial damage
  > The pilot's failure to maintain aircraft control during the landing roll.
- [NTSB ERA10LA504](https://openairdocs.org/ntsb/ERA10LA504.md): Aeronca 11AC · Mocksville, NC · Accident · No injuries · Limited investigation · Final report · Aug 28, 2010 · N85929 · Substantial damage
  > The pilot’s failure to attain the proper touchdown point, following a loss of engine power due to carburetor icing.
- [NTSB CEN10CA469](https://openairdocs.org/ntsb/CEN10CA469.md): Hughes 269B · Lakeview, MI · Accident · Serious injuries · Data collection · Final report · Aug 7, 2010 · N11XC · Substantial damage
  > The pilot's excessive descent angle during landing approach, which resulted in a settling with power condition.
- [NTSB WPR10CA389](https://openairdocs.org/ntsb/WPR10CA389.md): Let L 33 Solo · Adelanto, CA · Accident · No injuries · Data collection · Final report · Aug 6, 2010 · N315BA · Substantial damage
  > The pilot’s inability to make it to the airport as a result of his inadequate planning for the gusting headwinds.
- [NTSB WPR10CA428](https://openairdocs.org/ntsb/WPR10CA428.md): Holmgreen John B RV8A · Carlsbad, CA · Accident · No injuries · Data collection · Final report · Aug 1, 2010 · N525JH · Substantial damage
  > The pilot’s inadequate pretakeoff checks and failure to maintain control during the takeoff roll. Contributing to the accident was the pilot’s diverted attention due to the open canopy.
- [NTSB CEN10CA454](https://openairdocs.org/ntsb/CEN10CA454.md): Piper PA-36-285 · Petersburg, TX · Accident · No injuries · Data collection · Final report · Jul 29, 2010 · N57706 · Substantial damage
  > The pilot's failure to maintain clearance from a signpost during an aerial application flight.
- [NTSB ERA10LA379](https://openairdocs.org/ntsb/ERA10LA379.md): Garlick Helicopters OH-58A+ · Newport, TN · Accident · Minor injuries · Limited investigation · Final report · Jul 28, 2010 · N48LA · Substantial damage
  > Inadequate maintenance inspections of the main rotor blade inertia screw holes, which resulted in a main rotor blade failure due to fatigue. Contributing to the accident was the pilot's inadequate preflight inspection of the main rotor blades.

Next page: https://openairdocs.org/ntsb.md?engine=99999&page=14

## 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=13

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