# 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 14 of 41 · 2,048 cases

## Cases, newest first

- [NTSB CEN10LA442](https://openairdocs.org/ntsb/CEN10LA442.md): Lunceford Sparrowhawk II · Tell City, IN · Accident · 1 fatal · Limited investigation · Final report · Jul 27, 2010 · N91814 · Substantial damage
  > The pilot's loss of control of the gyroplane for undetermined reasons.
- [NTSB CEN10CA441](https://openairdocs.org/ntsb/CEN10CA441.md): Wolseley Motors SE5-A · Seymour, IN · Accident · Minor injuries · Data collection · Final report · Jul 27, 2010 · N93725 · Substantial damage
  > A loss of engine power during initial climb due to fuel exhaustion. Contributing to the accident was the pilot's diverted attention while attempting to restart the engine.
- [NTSB WPR10LA366](https://openairdocs.org/ntsb/WPR10LA366.md): Clark RV-9A · Oregon City, OR · Accident · 1 fatal · Limited investigation · Final report · Jul 23, 2010 · N70720 · Substantial damage
  > The pilot's decision to depart with known mechanical anomalies and the loss of engine power for undetermined reasons.
- [NTSB ERA10LA365](https://openairdocs.org/ntsb/ERA10LA365.md): Texas Air Ventures Comp AIR 8 · Mount Pleasant, SC · Accident · 1 fatal · Limited investigation · Final report · Jul 19, 2010 · N882X · Substantial damage
  > The pilot's failure to retrim the airplane and maintain aircraft control during an aborted landing, which resulted in an inadvertent stall. Contributing to the accident was the pilot's lack of experience in the accident airplane make and model.
- [NTSB CEN10LA409](https://openairdocs.org/ntsb/CEN10LA409.md): Davis John TR-4 · Denton, TX · Accident · 1 fatal · Limited investigation · Final report · Jul 19, 2010 · N767GW · Substantial damage
  > A loss of engine power and the pilot’s subsequent loss of control for undetermined reasons.
- [NTSB CEN10CA421](https://openairdocs.org/ntsb/CEN10CA421.md): Nord 3202 · Oshkosh, WI · Accident · No injuries · Data collection · Final report · Jul 19, 2010 · N2256Y · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll.
- [NTSB ERA10LA362](https://openairdocs.org/ntsb/ERA10LA362.md): Garlick Helicopters OH-58A+ · Rowley, MA · Accident · No injuries · Limited investigation · Final report · Jul 15, 2010 · N802JB · Substantial damage
  > The failure of the power turbine governor internal driveshaft bearings, resulting in the failure of the governor.
- [NTSB ERA10CA352](https://openairdocs.org/ntsb/ERA10CA352.md): Vans RV8 · Port Orange, FL · Accident · No injuries · Data collection · Final report · Jul 10, 2010 · N801RG · Substantial damage
  > The pilot's failure to maintain directional control during the landing rollout.
- [NTSB CEN10CA395](https://openairdocs.org/ntsb/CEN10CA395.md): Bell OH-58A · Roswell, NM · Accident · No injuries · Data collection · Final report · Jul 10, 2010 · N415NS · Substantial damage
  > The pilot's failure to maintain clearance from transmission wires.
- [NTSB CEN10CA376](https://openairdocs.org/ntsb/CEN10CA376.md): Wells Terry Hula Girl · Wellington, CO · Accident · No injuries · Data collection · Final report · Jul 3, 2010 · N301TW · Substantial damage
  > A partial loss of engine power due to the inadequate design of the engine cowling.
- [NTSB WPR10LA317](https://openairdocs.org/ntsb/WPR10LA317.md): Worgull Hornet · Camp Verde, AZ · Accident · Serious injuries · Limited investigation · Final report · Jun 28, 2010 · N707BD · Substantial damage
  > The in-flight separation of the exhaust clamps for an undetermined reason, which resulted in the exhaust system striking the wooden propeller.
- [NTSB ERA10CA332](https://openairdocs.org/ntsb/ERA10CA332.md): Crabtree RV6 · Sewanne, TN · Accident · No injuries · Data collection · Final report · Jun 25, 2010 · N3856D · Substantial damage
  > The pilot's improper recovery from a bounced landing.
- [NTSB WPR10LA310](https://openairdocs.org/ntsb/WPR10LA310.md): Rice KR-2 · Richfield, UT · Accident · Serious injuries · Limited investigation · Final report · Jun 23, 2010 · N44729 · Substantial damage
  > A loss of engine power during initial climb due to a carburetor malfunction.
- [NTSB ERA10LA328](https://openairdocs.org/ntsb/ERA10LA328.md): Parks J L/Dreffin D Seawind 3000 · Sanibel Island, FL · Accident · No injuries · Limited investigation · Final report · Jun 23, 2010 · N79DJ · Substantial damage
  > An overstress failure of the elevator. Contributing to the accident was the owner/builder's modification of the experimental airplane beyond the recommendations of the kit manufacturer.
- [NTSB WPR10LA294](https://openairdocs.org/ntsb/WPR10LA294.md): Schleicher Alexander ASH 26 E · Parowan, UT · Accident · No injuries · Limited investigation · Final report · Jun 15, 2010 · N455S · 2 aircraft · Substantial damage
  > The pilot's failure to see and avoid the other glider climbing in the same thermal.
- [NTSB WPR10CA288](https://openairdocs.org/ntsb/WPR10CA288.md): Burkhart Grob G103C Twin III Acro · Minden, NV · Accident · No injuries · Data collection · Final report · Jun 11, 2010 · N41KP · Substantial damage
  > The pilot's encounter with an area of degraded lift during cruise flight, resulting in a forced off-airport landing.
- [NTSB CEN10CA304](https://openairdocs.org/ntsb/CEN10CA304.md): Bordelon Kitfox IV · Stanton, MN · Accident · No injuries · Data collection · Final report · Jun 7, 2010 · N396BK · Substantial damage
  > The pilot’s inadvertent propeller blade pitch change and subsequent loss of forward thrust.
- [NTSB ANC10CA050](https://openairdocs.org/ntsb/ANC10CA050.md): Cessna 180 · Kenai, AK · Accident · No injuries · Data collection · Final report · Jun 6, 2010 · N266V · Substantial damage
  > The pilot's selection of unsuitable terrain for landing, resulting in the airplane nosing over during taxi.
- [NTSB CEN10CA301](https://openairdocs.org/ntsb/CEN10CA301.md): Cessna 421B · Anderson, IN · Accident · No injuries · Data collection · Final report · Jun 4, 2010 · N421KB · Substantial damage
  > The pilot’s failure to establish proper rotation and liftoff speed during the takeoff roll.
- [NTSB ERA10LA294](https://openairdocs.org/ntsb/ERA10LA294.md): Swanson RV-9A · Ashland, VA · Accident · Minor injuries · Limited investigation · Final report · Jun 1, 2010 · N858JK · Substantial damage
  > The pilot's failure to obtain the proper touchdown point during a forced landing in gusting wind. Contributing to the accident was a total loss of engine power, likely due to carburetor ice.
- [NTSB CEN10LA274](https://openairdocs.org/ntsb/CEN10LA274.md): Henney Michael A Vans RV-6A · Granbury, TX · Accident · 1 fatal · Limited investigation · Final report · May 28, 2010 · N226MH · Substantial damage
  > The loss of control for undetermined reasons.
- [NTSB WPR10LA250](https://openairdocs.org/ntsb/WPR10LA250.md): Wildman RV6-A · Columbia, CA · Accident · Serious injuries · Limited investigation · Final report · May 20, 2010 · N578RJ · Substantial damage
  > The pilot’s inadequate compensation for the gusting crosswind and improper landing flare.
- [NTSB ERA10LA266](https://openairdocs.org/ntsb/ERA10LA266.md): Aerostar S A YAK-52 · Jensen Beach, FL · Accident · 2 fatal · Limited investigation · Final report · May 15, 2010 · N6868Y · Substantial damage
  > The pilot's decision to perform an aerobatic maneuver at a low altitude, which resulted in insufficient clearance from the water to conduct a recovery. Contributing to the accident was the airplane’s extended landing gear, which resulted in a degradation of…
- [NTSB ERA10TA261](https://openairdocs.org/ntsb/ERA10TA261.md): Bell 407 · Abingdon, VA · Accident · No injuries · Final report · May 11, 2010 · N31VA · Substantial damage
  > The improper repair of an engine component by a repair facility, which resulted in a complete loss of engine power. Contributing to the accident was the failure of the repair facility to recognize that an improper repair had been accomplished, which allowed…
- [NTSB CEN10LA242](https://openairdocs.org/ntsb/CEN10LA242.md): Jorritsma Jerrold S Berkut · Loveland, CO · Accident · No injuries · Limited investigation · Final report · May 9, 2010 · N3255U · Substantial damage
  > A loss of engine power due to a malfunction of the fuel controller resulting in a compressor stall.
- [NTSB ERA10LA256](https://openairdocs.org/ntsb/ERA10LA256.md): Swezey T/Molnar D Vans RV-10 · Ridgeland, SC · Accident · Serious injuries · Limited investigation · Final report · May 7, 2010 · N110TD · Destroyed
  > An explosion and fire of unknown origin during taxi from landing. Contributing to the accident was the builder's noncompliance with the manufacturer's suggested designed fuel system.
- [NTSB WPR10CA222](https://openairdocs.org/ntsb/WPR10CA222.md): Cubcrafters CC11-160 · Los Alamos, CA · Accident · No injuries · Data collection · Final report · May 2, 2010 · N72RZ · Substantial damage
  > The pilot's inadequate compensation for the crosswind conditions resulting in the loss of directional control while landing.
- [NTSB WPR10CA236](https://openairdocs.org/ntsb/WPR10CA236.md): Beech 76 · Willows, CA · Accident · No injuries · Data collection · Final report · May 1, 2010 · N6628X · Substantial damage
  > The student pilot's inadequate compensation for the gusting crosswind conditions and the certified flight instructor's inadequate supervision, resulting in a loss of directional control during landing.
- [NTSB ERA10LA229](https://openairdocs.org/ntsb/ERA10LA229.md): Dalin Ronald K T-51 Mustang · Lakeland, FL · Accident · No injuries · Limited investigation · Final report · Apr 14, 2010 · N551RD · Substantial damage
  > The builder’s use of inadequate material for the exhaust manifold adapters resulting in heat damage and chafing of the crankshaft synchronizer and timing wires that rendered an inoperative ignition system and loss of engine power.
- [NTSB WPR10FA199](https://openairdocs.org/ntsb/WPR10FA199.md): Boeing 737-3H4 · Los Angeles, CA · Accident · No injuries · Field investigation · Final report · Apr 10, 2010 · N624SW · Substantial damage
  > The tug operator’s failure to comply with company procedures when parking an unoccupied baggage tug, and the failure of the tug’s seat switch to disengage the electric motor when weight was removed from the driver’s seat.
- [NTSB ERA10LA216](https://openairdocs.org/ntsb/ERA10LA216.md): Smith Richard D JR Revolution Mini 500 · Middleboro, MA · Accident · No injuries · Limited investigation · Final report · Apr 7, 2010 · N118NR · Substantial damage
  > A loss of engine coolant, which resulted in a loss of engine power during the pilot’s attempt to cushion a precautionary landing. Contributing to the accident was a disconnected engine coolant hose and the pilot's inadequate preflight inspection.
- [NTSB CEN10LA171](https://openairdocs.org/ntsb/CEN10LA171.md): Loehr Thomas H Zenith Stol CH701 · Eldon, MO · Accident · No injuries · Limited investigation · Final report · Mar 22, 2010 · N144AC · Substantial damage
  > A loss of engine thrust during takeoff due to the failure of the engine-to-propeller drive belts as a result of improper belt tension. Contributing to the accident was the non-certificated pilot's improper preflight inspection.
- [NTSB WPR10LA160](https://openairdocs.org/ntsb/WPR10LA160.md): Migas RV9-A · Twin Falls, ID · Accident · Serious injuries · Limited investigation · Final report · Mar 15, 2010 · N951DM · Substantial damage
  > The pilot's loss of directional control during landing roll for an undetermined reason.
- [NTSB WPR10LA130](https://openairdocs.org/ntsb/WPR10LA130.md): Nanchang China CJ-6A · Mesa, AZ · Accident · Minor injuries · Limited investigation · Final report · Feb 7, 2010 · N6263D · Substantial damage
  > Separation of the cylinder from the engine during cruise flight due to fatigue in the studs attaching it to the engine casing.
- [NTSB CEN10FA115](https://openairdocs.org/ntsb/CEN10FA115.md): Piper PA-25-235 · Boulder, CO · Accident · 3 fatal · Field investigation · Final report · Feb 6, 2010 · N8718L · 3 aircraft · Substantial damage
  > The failure of both pilots to see and avoid the other resulting in a midair collision. Contributing to the accident was the lack of perceived visual relative motion of the Piper and the Cirrus to the pilot of each airplane, the terrain background, and the…
- [NTSB CEN10FA097](https://openairdocs.org/ntsb/CEN10FA097.md): Mitsubishi MU-2B-60 · Elyria, OH · Accident · 4 fatal · Field investigation · Final report · Jan 18, 2010 · N80HH · Destroyed
  > The pilot's failure to maintain adequate airspeed during the instrument approach, which resulted in an aerodynamic stall and impact with terrain.
- [NTSB WPR10CA109](https://openairdocs.org/ntsb/WPR10CA109.md): Young Dee C Kitfox II · St. Anthony, ID · Accident · No injuries · Data collection · Final report · Jan 12, 2010 · N345DY · Substantial damage
  > The pilot's improper landing flare, which resulted in a hard landing.
- [NTSB ERA10LA085](https://openairdocs.org/ntsb/ERA10LA085.md): Tail Feather Sea Rey · Sanibel Island, FL · Accident · Serious injuries · Limited investigation · Final report · Nov 29, 2009 · N969TF · Substantial damage
  > The pilot’s failure to add power during a low-level turn, which resulted in a loss of airspeed and a subsequent stall.
- [NTSB CEN10LA050](https://openairdocs.org/ntsb/CEN10LA050.md): Augustine David L Sonex · Burnet, TX · Accident · 1 fatal · Limited investigation · Final report · Nov 14, 2009 · N10DA · Substantial damage
  > The pilot’s failure to maintain aircraft control, resulting in an aerodynamic stall. Contributing to the accident was the loss of engine power due to a clogged fuel screen that resulted in fuel starvation caused by the builder's inappropriate use of a fuel…
- [NTSB ERA10LA050](https://openairdocs.org/ntsb/ERA10LA050.md): Grumman Aircraft ENG G-111 · Ft Pierce, FL · Accident · Minor injuries · Limited investigation · Final report · Nov 5, 2009 · N120FB · Substantial damage
  > A total loss of left engine power and subsequent failure of the airplane to maintain airspeed and altitude on the remaining engine for undetermined reasons.
- [NTSB CEN10LA035](https://openairdocs.org/ntsb/CEN10LA035.md): Blanik L-13 · Middlefield, OH · Accident · Serious injuries · Limited investigation · Final report · Nov 1, 2009 · N1142 · Substantial damage
  > The student pilot's improper control inputs which resulted in the inadvertent stall of the glider.
- [NTSB WPR10LA040](https://openairdocs.org/ntsb/WPR10LA040.md): Hallbauer Dragonfly Mark II · Las Vegas, NV · Accident · Serious injuries · Limited investigation · Final report · Oct 30, 2009 · N555RX · Substantial damage
  > The CFI's failure to maintain directional control of the airplane during takeoff.
- [NTSB WPR10LA039](https://openairdocs.org/ntsb/WPR10LA039.md): Sauer KR-2S · Glendale, AZ · Accident · Minor injuries · Limited investigation · Final report · Oct 30, 2009 · N811RJ · Substantial damage
  > A loss of engine power due to fuel starvation as a result of a reduced fuel flow to the engine resulting from a misrouted fuel tank vent line, during initial climb.
- [NTSB WPR10CA023](https://openairdocs.org/ntsb/WPR10CA023.md): Boykin Stephen Vance Rotorway E · Meiners Oaks, CA · Accident · No injuries · Data collection · Final report · Oct 16, 2009 · N496SB · Substantial damage
  > The pilot's improper preflight planning which resulted in a takeoff with a tailwind.
- [NTSB CEN10LA001](https://openairdocs.org/ntsb/CEN10LA001.md): Dusenberry Mark J 1905 Wright Flyer · Dayton, OH · Accident · Serious injuries · Limited investigation · Final report · Oct 1, 2009 · N3635N · Substantial damage
  > The pilot's failure to maintain control of the airplane during the flight, which resulted in an aerodynamic stall.
- [NTSB ANC09CA109](https://openairdocs.org/ntsb/ANC09CA109.md): Short Bros. & Harland SC7 Series · Skwentna, AK · Accident · No injuries · Data collection · Final report · Sep 26, 2009 · N754BD · Substantial damage
  > The pilot's failure to maintain directional control while landing on a rough, soft, and narrow airstrip.
- [NTSB ERA09LA530](https://openairdocs.org/ntsb/ERA09LA530.md): Beech A36 · Fairmont, WV · Accident · Serious injuries · Limited investigation · Final report · Sep 19, 2009 · N57S · Substantial damage
  > The pilot's delay in aborting the takeoff, resulting in an overun. Contributing to the accident was the overweight condition of the airplane.
- [NTSB CEN09CA592](https://openairdocs.org/ntsb/CEN09CA592.md): Bordelon Kitfox IV · Dodge Center, MN · Accident · No injuries · Data collection · Final report · Sep 18, 2009 · N396BK · Substantial damage
  > The pilot's improper glide path during landing.
- [NTSB CEN09CA583](https://openairdocs.org/ntsb/CEN09CA583.md): Sierra E5A Replica · Port Huron, MI · Accident · No injuries · Data collection · Final report · Sep 12, 2009 · N44062 · Substantial damage
  > The pilot's failure to maintain aircraft control during landing.
- [NTSB CEN09LA572](https://openairdocs.org/ntsb/CEN09LA572.md): Wright Bruce M Avid Flyer · Hitchcock, TX · Accident · Minor injuries · Limited investigation · Final report · Sep 3, 2009 · N583AF · Substantial damage
  > A total loss of engine power for undetermined reasons.

Next page: https://openairdocs.org/ntsb.md?engine=99999&page=15

## 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=14

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