# 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 22 of 41 · 2,048 cases

## Cases, newest first

- [NTSB SEA04LA129](https://openairdocs.org/ntsb/SEA04LA129.md): Logston Starduster SA100DL · Arlington, WA · Accident · No injuries · Limited investigation · Final report · Jul 11, 2004 · N35RL · 2 aircraft · Substantial damage
  > The pilot's failure to maintain clearance during taxi from another aircraft standing on the runway resulting in a collision. The aircraft standing on the runway was a factor.
- [NTSB DEN04CA101](https://openairdocs.org/ntsb/DEN04CA101.md): Whitlock Rotorway Exec 162F · Meeker, CO · Accident · No injuries · Data collection · Final report · Jul 10, 2004 · N518W · Substantial damage
  > aircraft control not maintained by the pilot. A contributing factor was the failure of the supercharger.
- [NTSB SEA04LA121](https://openairdocs.org/ntsb/SEA04LA121.md): Exp Acft Assn Wi Chapter 60 Moni · Rochester, WA · Accident · No injuries · Limited investigation · Final report · Jul 4, 2004 · N87TW · Substantial damage
  > The pilot's inadequate in-flight decision by failing to refuel, resulting in fuel exhaustion and the loss of power during descent. Factors contributing to the accident included the pilot's lack of experience in the aircraft and the tree.
- [NTSB FTW04FA167](https://openairdocs.org/ntsb/FTW04FA167.md): Bell 206B · Cushing, OK · Accident · 2 fatal · Field investigation · Final report · Jun 27, 2004 · N27TV · Destroyed
  > the pilot's inadequate in-flight planning/decision and his failure to maintain obstacle clearance. Contributing factors were low altitude flight, sun glare, and the static wires.
- [NTSB SEA04CA107](https://openairdocs.org/ntsb/SEA04CA107.md): Steward Rocky 162F · Hood River, OR · Accident · No injuries · Data collection · Final report · Jun 16, 2004 · N717CS · Substantial damage
  > The pilot's miscalculation of fuel consumption and his inadequate in-flight planning/decision, which resulted in fuel exhaustion and loss of engine power. A factor was the high vegetation.
- [NTSB FTW04LA152](https://openairdocs.org/ntsb/FTW04LA152.md): WSK PZL Mielec M-18A · Dumas, AR · Accident · No injuries · Limited investigation · Final report · Jun 5, 2004 · N161RA · Substantial damage
  > The loss of engine power for undetermined reasons.
- [NTSB LAX04LA229](https://openairdocs.org/ntsb/LAX04LA229.md): Simmons BD-5 · Goodyear, AZ · Accident · No injuries · Limited investigation · Final report · May 29, 2004 · N501BD · Substantial damage
  > The overheating and failure of the number 4 connecting rod, which resulted in a total loss of engine power during descent.
- [NTSB CHI04CA142](https://openairdocs.org/ntsb/CHI04CA142.md): Kauffman Bede IV · Acme, MI · Accident · No injuries · Data collection · Final report · May 26, 2004 · N115PK · Substantial damage
  > Engine oil starvation and inadequate maintenance by the pilot.
- [NTSB NYC04CA124](https://openairdocs.org/ntsb/NYC04CA124.md): Fraker Mustang II · Wauseon, OH · Accident · Minor injuries · Data collection · Final report · May 13, 2004 · N78K · Substantial damage
  > The failure of the drive coupling between the engine and the propeller speed reducer. A factor related to the accident was the pilot's inadequate preflight inspection of the drive coupling.
- [NTSB ANC04LA052](https://openairdocs.org/ntsb/ANC04LA052.md): Douglas C-54B · McGrath, AK · Accident · No injuries · Limited investigation · Final report · May 8, 2004 · N44911 · Substantial damage
  > A fuel tank explosion in the left wing auxiliary fuel tank, and subsequent fuel fire that occurred during engine start for an undetermined reason.
- [NTSB SEA04LA079](https://openairdocs.org/ntsb/SEA04LA079.md): SZD Jantar 42-1 · Wamic, OR · Accident · No injuries · Limited investigation · Final report · May 2, 2004 · N272AS · Substantial damage
  > The glider pilot's inadequate en route planning, which resulted in a forced landing in an area without suitable landing terrain. Factors include no suitable landing terrain in the area where the pilot found it necessary to execute a forced landing, and trees…
- [NTSB IAD04LA019](https://openairdocs.org/ntsb/IAD04LA019.md): Krotje VM-1 Esqual · Cambridge, OH · Accident · Minor injuries · Limited investigation · Final report · May 1, 2004 · N626EA · Substantial damage
  > The pilot's failure to maintain directional control. A factor was the inadequate brake system installed on the airplane.
- [NTSB ATL04LA104](https://openairdocs.org/ntsb/ATL04LA104.md): Sukhoi SU-31 · Fort Lauderdale, FL · Accident · 1 fatal · Limited investigation · Final report · Apr 30, 2004 · N31SU · Substantial damage
  > The pilot's failure to recover from an intentional spin during an attempted aerobatic maneuver.
- [NTSB LAX04LA195](https://openairdocs.org/ntsb/LAX04LA195.md): Spirangam Velocity · Boulder City, NV · Accident · No injuries · Limited investigation · Final report · Apr 25, 2004 · N216MR · Substantial damage
  > the pilot's failure to maintain directional control of the airplane during the landing rollout.
- [NTSB FTW04LA109](https://openairdocs.org/ntsb/FTW04LA109.md): Spannagel RV-8A · Borger, TX · Accident · No injuries · Limited investigation · Final report · Apr 15, 2004 · N82LS · Substantial damage
  > A partial loss of engine power as a result of inadequate clearance between the journals and bearings.
- [NTSB SEA04CA068](https://openairdocs.org/ntsb/SEA04CA068.md): Yakovlev Yak 54 · Friday Harbor, WA · Accident · No injuries · Data collection · Final report · Apr 10, 2004 · N14026 · Substantial damage
  > The pilot's failure to properly align with the runway. Factors include rough/uneven terrain, inadequate preflight planning and diminished forward visibility.
- [NTSB SEA04LA063](https://openairdocs.org/ntsb/SEA04LA063.md): Glasflugel STD Libelle 201B · Oso, WA · Accident · 1 fatal · Limited investigation · Final report · Apr 2, 2004 · N161D · 2 aircraft · Substantial damage
  > The pilot of the Glaser-Dirks (lead glider) failure to maintain clearance from the Glasflugel (trailing glider) resulting in a mid-air collision while maneuvering.
- [NTSB SEA04CA054](https://openairdocs.org/ntsb/SEA04CA054.md): Menefee RAF Vari-Eze · Bremerton, WA · Accident · Minor injuries · Data collection · Final report · Mar 21, 2004 · N200TZ · Substantial damage
  > Failure to maintain airspeed while on final approach resulting in a stall. Factors include a rough running engine for undetermined reasons and rough/uneven terrain.
- [NTSB LAX04TA161](https://openairdocs.org/ntsb/LAX04TA161.md): WSK PZL Mielec M-18A · Safford, AZ · Accident · 1 fatal · Final report · Mar 16, 2004 · N6259N · Destroyed
  > A loss of engine power due to fuel starvation and at least one ensuing engine power surge, which caused the airplane to pitch up abruptly into a stall at an altitude too low for recovery. Contributing to the accident were the pilot's mismanagement of the fuel…
- [NTSB MIA04LA058](https://openairdocs.org/ntsb/MIA04LA058.md): Ortmayer/Parson none · Bunnell, FL · Accident · 1 fatal · Limited investigation · Final report · Mar 12, 2004 · N69EP · Substantial damage
  > The owner/pilot mechanic's failure to comply with a manufacture notice to replace the rotor blades and hub bar assembly, resulting in a failure of the hub bar to hub bar wing attaching bolt and separation of a main rotor blade.
- [NTSB LAX04FA150](https://openairdocs.org/ntsb/LAX04FA150.md): Ercoupe 415-C · Oakdale, CA · Accident · 2 fatal · Field investigation · Final report · Mar 9, 2004 · N93707 · Destroyed
  > the in-flight separation of the main spar due to corrosion in the wing center section not detectable by inspection methods described in manufacturer's service bulletins and FAA Airworthiness Directives.
- [NTSB NYC04LA079](https://openairdocs.org/ntsb/NYC04LA079.md): Geoffrion Rotorway Exec 162 · Medina, OH · Accident · Serious injuries · Limited investigation · Final report · Feb 29, 2004 · N198BG · Substantial damage
  > A failure of the helicopter's tail rotor drive system for undetermined reasons.
- [NTSB LAX04LA125](https://openairdocs.org/ntsb/LAX04LA125.md): Knapple/Wray Lancair IV-P · Apache Junction, AZ · Accident · 2 fatal · Limited investigation · Final report · Feb 17, 2004 · N330KT · Destroyed
  > the pilot/builder's failure to maintain an adequate airspeed while maneuvering that resulted in an inadvertent stall/spin.
- [NTSB LAX04LA069](https://openairdocs.org/ntsb/LAX04LA069.md): Allison KR-2 · Glendale, AZ · Accident · Serious injuries · Limited investigation · Final report · Dec 16, 2003 · N82KR · Substantial damage
  > loss of engine power due to a loose carburetor jet. A contributing factor was the owner/operators failure to have a condition inspection performed on the aircraft.
- [NTSB CHI04LA042](https://openairdocs.org/ntsb/CHI04LA042.md): Beech 99 · Mosinee, WI · Accident · No injuries · Limited investigation · Final report · Dec 16, 2003 · N399CZ · Substantial damage
  > The pilot's failure to maintain the proper descent rate and his inadequate flare.
- [NTSB FTW04LA040](https://openairdocs.org/ntsb/FTW04LA040.md): Hackney Vans RV-6A · Carthage, TX · Accident · 2 fatal · Limited investigation · Final report · Dec 14, 2003 · N528DH · Destroyed
  > The loss of engine power due to fuel starvation and the pilot's failure to maintain airspeed which resulted in a stall,
- [NTSB SEA04LA026](https://openairdocs.org/ntsb/SEA04LA026.md): Upright RV-7A · McMinnville, OR · Accident · 1 fatal · Limited investigation · Final report · Dec 11, 2003 · N29CV · Destroyed
  > The pilot's failure to maintain aircraft control. Cloudy weather, continued flight into adverse weather, inadequate preflight planning and mountainous terrain were factors.
- [NTSB LAX04LA055](https://openairdocs.org/ntsb/LAX04LA055.md): Goodyear GZ-20A · Gardena, CA · Accident · Minor injuries · Limited investigation · Final report · Dec 4, 2003 · N10A · Substantial damage
  > The pilot's delayed go-around during final approach to land, which resulted in an in-flight collision with a fence. A factor associated with the accident is the pilot's failure to maintain adequate altitude/clearance from obstructions.
- [NTSB SEA04LA015](https://openairdocs.org/ntsb/SEA04LA015.md): Schmitt Exec 162F · Prosser, WA · Accident · No injuries · Limited investigation · Final report · Nov 6, 2003 · N6463S · Substantial damage
  > The student pilot's abrupt application of excessive collective and the flight instructor's inadequate supervision of the student. Contributing factors were the ditch and low rotor RPM.
- [NTSB MIA04LA011](https://openairdocs.org/ntsb/MIA04LA011.md): Let NP Kinovice Z37A · Oak Hill, FL · Accident · Serious injuries · Limited investigation · Final report · Oct 24, 2003 · N137MS · Substantial damage
  > The pilots failure to maintain airspeed while maneuvering to re-enter the pattern resulting in an inadvertent stall and impact with trees and the ground during the subsequent uncontrolled descent.
- [NTSB CHI04LA019](https://openairdocs.org/ntsb/CHI04LA019.md): Beech A36 · Davenport, IA · Accident · No injuries · Limited investigation · Final report · Oct 16, 2003 · N25496 · Substantial damage
  > A loss of engine power due to fuel starvation as a result of the improper installation of the fuel nozzle. Also causal was the engine manufacturer's improper installation instructions for the nozzle pressure port plug on the fuel manifold valve. A factor…
- [NTSB ATL04LA019](https://openairdocs.org/ntsb/ATL04LA019.md): Spegele Mustang II · Calhoun, GA · Accident · No injuries · Limited investigation · Final report · Oct 16, 2003 · N262CS · Substantial damage
  > The pilot's improper flare which resulted in a hard landing and subsequent landing gear collapse.
- [NTSB CHI04LA010](https://openairdocs.org/ntsb/CHI04LA010.md): Wright Redux Association 1903 Wright Flyer · Bolingbrook, IL · Accident · No injuries · Limited investigation · Final report · Oct 14, 2003 · N203WF · Substantial damage
  > The inadequate planning/decision by the pilot to begin a flight in gusting wind conditions, the pilot's lack of experience in the airplane, and the stall encountered by the pilot during takeoff. The wind gusts were a contributing factor.
- [NTSB NYC04LA008](https://openairdocs.org/ntsb/NYC04LA008.md): Sibila VP 1 · Cincinnati, OH · Accident · Minor injuries · Limited investigation · Final report · Oct 13, 2003 · N4087F · Substantial damage
  > The pilot's delayed decision to abort the takeoff, which resulted in a collision with trees.
- [NTSB CHI04LA002](https://openairdocs.org/ntsb/CHI04LA002.md): Goldman Dragonfly · Peoria, IL · Accident · Minor injuries · Limited investigation · Final report · Oct 3, 2003 · N222TH · Substantial damage
  > The loss of power for undetermined reasons and the inadvertent stall of the canard by the pilot on the turn to final during the forced landing, as well as the excessive descent rate causing the aircraft to "pancake" into the ground.
- [NTSB ATL04LA003](https://openairdocs.org/ntsb/ATL04LA003.md): Whitty Mustang II · Holly Ridge, NC · Accident · 1 fatal · Limited investigation · Final report · Oct 3, 2003 · N888PW · Substantial damage
  > The loss of engine power for undetermined reasons, and the pilot's failure to maintain airspeed while maneuvering for a forced landing.
- [NTSB ATL04LA001](https://openairdocs.org/ntsb/ATL04LA001.md): Johnson Walter A Hornet · Saint Marys, GA · Accident · 1 fatal · Limited investigation · Final report · Oct 1, 2003 · N1928J · Substantial damage
  > The loss of engine power due to improper maintenance and the pilot's failure to maintian airspeed during the attempted forced landing that resulted in a stall.
- [NTSB ATL04IA010](https://openairdocs.org/ntsb/ATL04IA010.md): Beech 58 · Columbus, MS · Incident · No injuries · Incident investigation · Final report · Oct 1, 2003 · N7219H · Minor damage
  > The pilot's failure to follow the pre-landing checklist, and his failure to extend the landing gear which resulted in a wheels up landing.
- [NTSB ATL03LA141](https://openairdocs.org/ntsb/ATL03LA141.md): Bellanca CH-300 · Peachtree City, GA · Accident · No injuries · Limited investigation · Final report · Sep 17, 2003 · N796W · Substantial damage
  > The pilots failure to maintain directional control during landing roll that resulted in a ground loop and subsequent collapse of the main landing gear.
- [NTSB CHI03LA309](https://openairdocs.org/ntsb/CHI03LA309.md): Strother KR2 · Clarinda, IA · Accident · Minor injuries · Limited investigation · Final report · Sep 11, 2003 · N60MS · Substantial damage
  > Failure of the pilot to maintain clearance from the roadway sign. The loose gravel and the sign were contributing factors.
- [NTSB ANC03LA112](https://openairdocs.org/ntsb/ANC03LA112.md): Dusseau Kitfox · Nikiski, AK · Accident · No injuries · Limited investigation · Final report · Sep 11, 2003 · N20TZ · Substantial damage
  > A loss of engine power for an undetermined reason, which resulted in an overrun during the emergency landing, and subsequent nose over in swampy terrain.
- [NTSB MIA03LA180](https://openairdocs.org/ntsb/MIA03LA180.md): Piper J5A · Winter Haven, FL · Accident · No injuries · Limited investigation · Final report · Sep 10, 2003 · N33063 · Substantial damage
  > The inadequate preflight of the airplane by the pilot-in-command, which failed to detect water-contaminated fuel, and his failure to maintain airspeed resulting in an inadvertent stall.
- [NTSB CHI03LA311](https://openairdocs.org/ntsb/CHI03LA311.md): Ayres S2R-G6 · Cash, AR · Accident · No injuries · Limited investigation · Final report · Sep 9, 2003 · N3299X · Substantial damage
  > The delayed aborted takeoff by the pilot. The ditch was a factor to the accident.
- [NTSB LAX03LA267](https://openairdocs.org/ntsb/LAX03LA267.md): Petz Flying Boat · Tracy, CA · Accident · 1 fatal · Limited investigation · Final report · Aug 28, 2003 · N1216Z · Destroyed
  > The inadequate design of the engine exhaust system and inappropriate selection of propeller materials by the designer/builder, which resulted in separation of the propeller blades during takeoff/initial climb, and a subsequent in-flight collision with terrain…
- [NTSB CHI03LA287](https://openairdocs.org/ntsb/CHI03LA287.md): Staudacher S-1000 · Newberry, MI · Accident · No injuries · Limited investigation · Final report · Aug 22, 2003 · N6195V · Substantial damage
  > The pilot's inadequate compensation for the wind conditions, resulting in aircraft control not being maintained during the landing approach. Contributing factors to the accident were the gusting crosswind and the VASI system.
- [NTSB ATL03LA129](https://openairdocs.org/ntsb/ATL03LA129.md): William Allen MONI-1 · Timberlake, NC · Accident · Serious injuries · Limited investigation · Final report · Aug 18, 2003 · N240A · Substantial damage
  > The pilot's failure to maintain adequate airspeed which resulted in a stall and subsequent collision with the ground.
- [NTSB SEA03LA163](https://openairdocs.org/ntsb/SEA03LA163.md): Schulze Lancair 360 · Vancouver, WA · Accident · No injuries · Limited investigation · Final report · Aug 7, 2003 · N360W · Destroyed
  > Loss of engine power for undetermined reasons during the initial climb. Collision with a vehicle during landing was a factor.
- [NTSB DEN03FA138](https://openairdocs.org/ntsb/DEN03FA138.md): Wright Hughes 1-B · Yellowstone Nat, WY · Accident · 1 fatal · Field investigation · Final report · Aug 5, 2003 · N258Y · Destroyed
  > The in-flight loss of a propeller counterweight, followed by the pilot's loss of aircraft control during a forced landing attempt and subsequent inadvertent stall/spin to the ground.
- [NTSB NYC03LA171](https://openairdocs.org/ntsb/NYC03LA171.md): Stewart Hummel Bird · North Baltimore, OH · Accident · 1 fatal · Limited investigation · Final report · Jul 31, 2003 · N7075Y · Substantial damage
  > The loss of engine power for undetermined reasons, and the pilot's failure to maintain airspeed, which resulted in an inadvertent stall during an emergency landing.
- [NTSB LAX03CA257](https://openairdocs.org/ntsb/LAX03CA257.md): Lancair 235 · Page, AZ · Accident · No injuries · Data collection · Final report · Jul 26, 2003 · N235WC · Substantial damage
  > The pilot's misjudged landing flare, which resulted in a hard landing and his improper recovery from a bounced landing. Inadvertent entry into a porpoise pilot-induced oscillation, and high density altitude were contributing factors.

Next page: https://openairdocs.org/ntsb.md?engine=99999&page=23

## 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=22

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