# 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 3 of 41 · 2,048 cases

## Cases, newest first

- [NTSB WPR24LA015](https://openairdocs.org/ntsb/WPR24LA015.md): Boeing A75N1(PT17) · Mesa, AZ · Accident · No injuries · Class 4 · Limited · Final report · Oct 12, 2023 · N4777V · Substantial damage
  > The flight instructor’s failure to maintain directional control during the landing roll, which resulted in a ground loop.
- [NTSB WPR23LA361](https://openairdocs.org/ntsb/WPR23LA361.md): Gleim James M MG-1 · Madera, CA · Accident · Minor injuries · Class 4 · Limited · Final report · Sep 28, 2023 · N126GM · Substantial damage
  > An emergency landing on uneven terrain that resulted in the loss of directional control during landing.
- [NTSB WPR23LA352](https://openairdocs.org/ntsb/WPR23LA352.md): Wayne Toddun Sling 4 TSI · San Pedro, CA · Accident · Serious injuries · Class 3 · Limited · Final report · Sep 25, 2023 · N135WT · Substantial damage
  > A total loss of engine power due to a failure of the No. 4 cylinder exhaust valve from overheating and excessive wear.
- [NTSB ANC23LA078](https://openairdocs.org/ntsb/ANC23LA078.md): Rhodes Steven D SR3500 · Nenana, AK · Accident · No injuries · Class 3 · Limited · Final report · Sep 17, 2023 · N907W · Substantial damage
  > A total loss of engine power due to fuel starvation. Contributing was the owner/builder’s inadequate maintenance.
- [NTSB CEN23FA410](https://openairdocs.org/ntsb/CEN23FA410.md): Sonex Sonex · Dowagiac, MI · Accident · 1 fatal · Class 3 · Field · Final report · Sep 10, 2023 · N569SX · Substantial damage
  > The total loss of engine power due to the failure of the ignition distributor rotor.
- [NTSB CEN23LA405](https://openairdocs.org/ntsb/CEN23LA405.md): Alisport Silent 2 Electro · Giddings, TX · Accident · No injuries · Class 3 · Limited · Final report · Sep 7, 2023 · N321AD · Substantial damage
  > The glider’s encounter with flutter during cruise flight that resulted in structural damage to the fuselage.
- [NTSB ERA23LA365](https://openairdocs.org/ntsb/ERA23LA365.md): Sheehan Kevin A Vans RV-8 · Umatilla, FL · Accident · Minor injuries · Class 3 · Limited · Final report · Sep 5, 2023 · N772KS · Substantial damage
  > A total loss of engine power for reasons that could not be determined.
- [NTSB WPR23LA330](https://openairdocs.org/ntsb/WPR23LA330.md): Yamaha Fazer SAR · Reno, NV · Accident · No injuries · Class 4 · Limited · Final report · Aug 29, 2023 · N53GR · Substantial damage
  > The operator’s incorrect input into the ground station controller, resulting in a loss of control during flight and subsequent impact with terrain.
- [NTSB ERA23LA351](https://openairdocs.org/ntsb/ERA23LA351.md): Nanchang China CJ-6A · Merrickville, NY · Accident · Serious injuries · Class 3 · Limited · Final report · Aug 26, 2023 · N114DZ · Substantial damage
  > A total loss of engine power while enroute for reasons that could not be determined.
- [NTSB CEN23FA361](https://openairdocs.org/ntsb/CEN23FA361.md): Mikoyan Gurevich MIG-23UB · Belleville, MI · Accident · Serious injuries · Class 3 · Field · Final report · Aug 13, 2023 · N23UB · Destroyed
  > A reported partial loss of engine power while maneuvering for reasons that could not be determined.
- [NTSB WPR23LA314](https://openairdocs.org/ntsb/WPR23LA314.md): Reynolds Ronald B Team Acft Z-MAX · Rigby, ID · Accident · Serious injuries · Class 3 · Limited · Final report · Aug 9, 2023 · N440ZM · Substantial damage
  > The loss of engine power during takeoff due to inadequately secured wires, which resulted in the wearing of the wires’ sheaths and the grounding of the airplane’s electrical system. Contributing to the accident was the pilot’s failure to maintain airplane…
- [NTSB DCA23LA397](https://openairdocs.org/ntsb/DCA23LA397.md): Supernal SUP83-1 · California City, CA · Accident · No injuries · Class 4 · Limited · Final report · Aug 3, 2023 · N183TD · Substantial damage
  > A loss of control in flight due to a loss of electrical power to one of the lift-motors.
- [NTSB WPR23LA292](https://openairdocs.org/ntsb/WPR23LA292.md): John Espe Cruiser · Buhl, ID · Accident · No injuries · Class 4 · Limited · Final report · Jul 29, 2023 · N314E · Substantial damage
  > The pilot's failure to maintain airplane control during landing with a gusting tail wind.
- [NTSB CEN23LA319](https://openairdocs.org/ntsb/CEN23LA319.md): Alisport Silent 2 Electro · Wallis, TX · Accident · No injuries · Class 3 · Limited · Final report · Jul 22, 2023 · N64JG · Substantial damage
  > The failure of the tail boom structure due to cyclic torsion overloading as of a result of flutter in the empennage. The reason for the flutter could not be determined.
- [NTSB CEN23LA327](https://openairdocs.org/ntsb/CEN23LA327.md): Vans RV10 · Chouteau, OK · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 21, 2023 · N730WL · Substantial damage
  > The total loss of engine power as a result of a failed positive crankcase ventilation (PCV) valve and a subsequent impact with terrain.
- [NTSB ERA23LA278](https://openairdocs.org/ntsb/ERA23LA278.md): Gopalan Hariharan 4 Place · Sanford, NC · Accident · No injuries · Class 4 · Limited · Final report · Jun 25, 2023 · N108YZ · Substantial damage
  > The pilot’s failure to maintain directional control while landing in a crosswind, which resulted in a nose over.
- [NTSB CEN23LA242](https://openairdocs.org/ntsb/CEN23LA242.md): Tipton Kitfox Kitfox IV · Odessa, MO · Accident · Minor injuries · Class 4 · Limited · Final report · Jun 17, 2023 · N4287Y · Substantial damage
  > The pilot’s failure to attain the proper touchdown speed, which resulted in a runway excursion and subsequent nose over.
- [NTSB CEN23FA220](https://openairdocs.org/ntsb/CEN23FA220.md): Vans RV7 · Gibbon, NE · Accident · 1 fatal · Class 3 · Field · Final report · Jun 2, 2023 · N977RV · Destroyed
  > The pilot’s improper decision to fly the airplane into known adverse weather and icing conditions which resulted in a loss of control.
- [NTSB CEN23LA197](https://openairdocs.org/ntsb/CEN23LA197.md): Gulfstream-Schweizer A/C Gulfstream AM G-164B · Gueydan, LA · Accident · No injuries · Class 4 · Limited · Final report · May 22, 2023 · N8337K · 2 aircraft · Substantial damage
  > The failure of both pilots to see and avoid each other resulting in a collision on the airstrip. Contributing was the pilots’ failure to announce their intentions over their radios as they were taking off and landing.
- [NTSB ERA23LA241](https://openairdocs.org/ntsb/ERA23LA241.md): Burril Benjamin D BDB001 · Wadesboro, NC · Accident · Minor injuries · Class 3 · Limited · Final report · May 17, 2023 · N191CK · Substantial damage
  > A reported total loss of engine power and a subsequent forced landing for reasons that could not be determined because the pilot did not make the wreckage available for examination.
- [NTSB WPR23LA179](https://openairdocs.org/ntsb/WPR23LA179.md): ELY John M Vans Acft RV-8 · North Las Vegas, NV · Accident · No injuries · Class 4 · Limited · Final report · May 5, 2023 · N83SE · Substantial damage
  > The pilot’s failure to maintain directional control during landing in gusting wind conditions, which resulted in a ground loop.
- [NTSB WPR23LA354](https://openairdocs.org/ntsb/WPR23LA354.md): Kerr John Hatz Classic · Ennis, MT · Accident · No injuries · Class 4 · Limited · Final report · Apr 29, 2023 · N687HZ · Substantial damage
  > The pilot’s failure to maintain directional control during the landing roll which resulted in a ground-loop.
- [NTSB ERA23LA208](https://openairdocs.org/ntsb/ERA23LA208.md): Vans RV6 · Eaton, OH · Accident · Serious injuries · Class 3 · Limited · Final report · Apr 26, 2023 · N327WC · Substantial damage
  > The pilot’s inadequate fuel management, which resulted in a total loss of engine power due to fuel exhaustion.
- [NTSB WPR23FA153](https://openairdocs.org/ntsb/WPR23FA153.md): Mullins David J JR Glastar · Cal-Nev-Ari, NV · Accident · 2 fatal · Class 3 · Field · Final report · Apr 11, 2023 · N8488 · Substantial damage
  > The pilot's failure to maintain sufficient altitude for undetermined reasons while maneuvering to land in dark night conditions, which resulted in collision with terrain.
- [NTSB CEN23LA152](https://openairdocs.org/ntsb/CEN23LA152.md): Vans RV6 · Goldsby, OK · Accident · Minor injuries · Class 3 · Limited · Final report · Apr 8, 2023 · N48PS · Substantial damage
  > The engine electronic ignition system became disconnected, which resulted in a partial loss of engine power.
- [NTSB WPR23LA132](https://openairdocs.org/ntsb/WPR23LA132.md): Fay David Velocity Elite · Bullhead City, AZ · Accident · No injuries · Class 4 · Limited · Final report · Mar 17, 2023 · N2214W · Substantial damage
  > The student pilot’s improper landing during crosswind conditions and the flight instructor’s failure to take remedial action, which resulted in a loss of control.
- [NTSB CEN23LA135](https://openairdocs.org/ntsb/CEN23LA135.md): Bell Helicopter Textron APT70 · Mineral Wells, TX · Accident · No injuries · Class 3 · Limited · Final report · Mar 14, 2023 · N314AL · Substantial damage
  > The flight crew’s loss of control of the unmanned aircraft due to software limitations. Contributing to the accident was the overly restrictive low voltage threshold limits.
- [NTSB WPR23LA139](https://openairdocs.org/ntsb/WPR23LA139.md): Fiedler Mark R PA-18 Replica · Sandy Valley, NV · Accident · No injuries · Class 4 · Limited · Final report · Mar 12, 2023 · N127MF · Substantial damage
  > The pilot’s failure to maintain airplane control during an off airport precautionary landing on soft soil, which resulted in a nose over.
- [NTSB ERA23LA132](https://openairdocs.org/ntsb/ERA23LA132.md): Stilp Tanner E Savannah S · Trenton, SC · Accident · Serious injuries · Class 3 · Limited · Final report · Feb 28, 2023 · N945HS · Substantial damage
  > The loss of control during the base turn to final due to the impingement of the Y-stick control by a notepad.
- [NTSB DCA23LA192](https://openairdocs.org/ntsb/DCA23LA192.md): Learjet 60 · Boston, MA · Incident · Class 4 · Limited · Final report · Feb 27, 2023 · N280LJ · 2 aircraft · No damage
  > The Hop-a-Jet flight crew taking off without a takeoff clearance which resulted in a conflict with a JetBlue flight that had been cleared to land on an intersecting runway.
- [NTSB WPR23LA111](https://openairdocs.org/ntsb/WPR23LA111.md): Glasair Sportsman · Cal-Nev-Ari, NV · Accident · Serious injuries · Class 4 · Limited · Final report · Feb 19, 2023 · N2847H · Substantial damage
  > The pilot’s improper decision to takeoff with known damage to the wing and his failure to maintain directional control during takeoff on rough terrain.
- [NTSB CEN23LA109](https://openairdocs.org/ntsb/CEN23LA109.md): Cessna 150 · Montevideo, MN · Accident · No injuries · Class 4 · Limited · Final report · Feb 4, 2023 · N1982Z · Substantial damage
  > The pilot’s failure to maintain directional control during the landing roll.
- [NTSB DCA23LA133](https://openairdocs.org/ntsb/DCA23LA133.md): Boeing 777-222 · Honolulu, HI · Incident · No injuries · Class 3 · Limited · Final report · Jan 24, 2023 · N774UA · 2 aircraft · No damage
  > The airport’s continued use of taxiway Kilo, despite an identified risk of pilots repeatedly failing to stop at a hold short line prior to two intersecting runways. Contributing were 1) the operator’s moving map display, which omitted a published restriction…
- [NTSB WPR23LA064](https://openairdocs.org/ntsb/WPR23LA064.md): Arado-Flugzeugwerke FW190 A-5 · Casa Grande, AZ · Accident · No injuries · Class 4 · Limited · Final report · Dec 9, 2022 · N190DK · Substantial damage
  > The pilot’s failure to maintain directional control during the landing roll.
- [NTSB ERA23LA073](https://openairdocs.org/ntsb/ERA23LA073.md): Childs Michael A Rotorway Exec 162-F · Titusville, FL · Accident · No injuries · Class 3 · Limited · Final report · Nov 27, 2022 · N8006A · Substantial damage
  > A failure of the No. 4 exhaust valve spring retainer, which resulted in a partial loss of engine power.
- [NTSB CEN23LA037](https://openairdocs.org/ntsb/CEN23LA037.md): Fairchild SA227-AT · Pewaukee, WI · Accident · Minor injuries · Class 3 · Limited · Final report · Nov 15, 2022 · N247DH · Substantial damage
  > The flight crew’s failure to maintain adequate airspeed and their exceedance of the airplane’s critical angle of attack during the instrument approach, which resulted in an aerodynamic stall. Contributing to the accident was an undetermined anomaly in the…
- [NTSB ERA23FA045](https://openairdocs.org/ntsb/ERA23FA045.md): Bearhawk Patrol · Hanover Township, PA · Accident · 2 fatal · Class 3 · Field · Final report · Oct 29, 2022 · N964RS · Substantial damage
  > The pilot’s decision to unlatch his seatbelt during flight, which allowed him to exit the airplane and impact the tail, resulting in a loss of control and impact with terrain.
- [NTSB ERA23LA015](https://openairdocs.org/ntsb/ERA23LA015.md): ST Clair David L Tango 2 · Yulee, FL · Accident · Minor injuries · Class 4 · Limited · Final report · Oct 9, 2022 · N55XT · Substantial damage
  > The pilot’s improper landing flare which resulted in a hard, bounced landing that damaged the nose landing gear, resulting in an inability to maintain directional control and subsequent runway excursion.
- [NTSB ERA23LA013](https://openairdocs.org/ntsb/ERA23LA013.md): Schempp-Hirth Discus CS · Woodstock, VA · Accident · No injuries · Class 3 · Limited · Final report · Oct 8, 2022 · N520RJ · Substantial damage
  > Improper repair of a crack by maintenance personnel, which resulted in a subsequent failure of the glider canopy.
- [NTSB ERA23LA010](https://openairdocs.org/ntsb/ERA23LA010.md): Green L/Gilner D RV-4 · Rowlesburg, WV · Accident · Serious injuries · Class 4 · Limited · Final report · Oct 7, 2022 · N262DF · Substantial damage
  > The pilot's failure to maintain an appropriate airspeed/angle-of-attack during the landing approach, which resulted in an aerodynamic stall, and impact with terrain.
- [NTSB CEN23LA006](https://openairdocs.org/ntsb/CEN23LA006.md): Aerostar International S53A · Albuquerque, NM · Accident · Serious injuries · Class 4 · Limited · Final report · Oct 7, 2022 · N9140F · Minor damage
  > The pilot’s inability to find a suitable landing area in a critical fuel situation and his decision to land on a highway, which resulted in the balloon impacting a bridge railing and terrain.
- [NTSB CEN22LA438](https://openairdocs.org/ntsb/CEN22LA438.md): Shirey David A Fisher Celebrity · Haskell, OK · Accident · No injuries · Class 4 · Limited · Final report · Sep 30, 2022 · N812TD · Destroyed
  > The inflight fire for reasons that could not be determined.
- [NTSB WPR22LA366](https://openairdocs.org/ntsb/WPR22LA366.md): Arter Warren Carbon CUB CCK-1865 · Willard, UT · Accident · No injuries · Class 4 · Limited · Final report · Sep 29, 2022 · N177CB · Substantial damage
  > The pilot’s failure to maintain directional control during the landing roll.
- [NTSB ERA22LA432](https://openairdocs.org/ntsb/ERA22LA432.md): Cessna 140 · Winterville, NC · Accident · Minor injuries · Class 4 · Limited · Final report · Sep 28, 2022 · N2509N · Substantial damage
  > The student pilot’s improper recovery from a bounced landing. A factor in the accident was the instructor’s delayed remedial action which resulted in an inability to recover the airplane from an aerodynamic stall.
- [NTSB GAA22WA297](https://openairdocs.org/ntsb/GAA22WA297.md): Dan Hawken Titan T-51 · Soest, Germany · Accident · Class 5 · Foreign · Sep 17, 2022 · N132MK · Substantial damage
- [NTSB ERA22LA420](https://openairdocs.org/ntsb/ERA22LA420.md): Yakovlev YAK-55M · Waldo, FL · Accident · Minor injuries · Class 4 · Limited · Final report · Sep 15, 2022 · N307GS · Substantial damage
  > The pilot’s inadequate preflight fuel planning and preflight inspection of the airplane, which resulted in fuel exhaustion, a total loss of engine power, and the subsequent off-airport landing.
- [NTSB WPR22FA332](https://openairdocs.org/ntsb/WPR22FA332.md): Beech 58 · Galt, CA · Accident · 2 fatal · Class 3 · Field · Final report · Sep 4, 2022 · N142DR · Substantial damage
  > The certified flight instructor's failure to maintain control of the airplane and inadequate supervision of the flight, which resulted in an aerodynamic stall/spin from which he could not recover.
- [NTSB WPR22LA370](https://openairdocs.org/ntsb/WPR22LA370.md): Alisport Silent 2 Electro · Hood River, OR · Accident · No injuries · Class 4 · Limited · Final report · Sep 3, 2022 · N278SE · Substantial damage
  > The pilot’s improper landing flare which resulted in a hard landing. Contributing to the accident was the pilot’s failure to follow the checklist to remove the wing wheel and tail dolly before takeoff.
- [NTSB ERA22LA400](https://openairdocs.org/ntsb/ERA22LA400.md): Aeronca 7AC · Marysville, OH · Accident · No injuries · Class 4 · Limited · Final report · Sep 1, 2022 · N85748 · Substantial damage
  > The pilot’s failure to maintain directional control during landing.
- [NTSB WPR22LA318](https://openairdocs.org/ntsb/WPR22LA318.md): Leon E Everett Carbon CUB EX · Maricopa, AZ · Accident · No injuries · Class 4 · Limited · Final report · Aug 27, 2022 · N628LE · Substantial damage
  > The pilot's failure to maintain airplane control during landing with a crosswind and the use of excessive braking application, which resulted in a nose over.

Next page: https://openairdocs.org/ntsb.md?engine=99999&page=4

## 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=3

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