NTSB investigations: Amateur-built UNKNOWN ENG, NV
59 cases on aircraft whose registry engine model is Amateur-built UNKNOWN ENG. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.
Cases per year
| 1967 | 2 |
|---|---|
| 1969 | 1 |
| 1970 | 1 |
| 1974 | 1 |
| 1976 | 1 |
| 1977 | 2 |
| 1978 | 1 |
| 1988 | 1 |
| 1990 | 1 |
| 1992 | 1 |
| 1993 | 1 |
| 1994 | 1 |
| 1995 | 1 |
| 1996 | 1 |
| 1997 | 1 |
| 1998 | 1 |
| 1999 | 4 |
| 2002 | 1 |
| 2003 | 1 |
| 2004 | 2 |
| 2005 | 4 |
| 2006 | 1 |
| 2007 | 2 |
| 2008 | 2 |
| 2009 | 1 |
| 2010 | 2 |
| 2011 | 1 |
| 2012 | 1 |
| 2013 | 1 |
| 2014 | 3 |
| 2016 | 2 |
| 2018 | 3 |
| 2019 | 2 |
| 2022 | 1 |
| 2023 | 5 |
| 2025 | 1 |
| 2026 | 1 |
Where
Open the mapLatest cases
Query with SQL
duckdb -csv -c "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.\"eventStateOrRegion\" = 'NV' AND c.\"eventCountry\" = 'USA'
AND 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"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
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."eventStateOrRegion" = 'NV' AND c."eventCountry" = 'USA'
AND 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" DESCRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB WPR26LA225Accident · Serious injuriesClass 3 · LimitedPreliminary reportUltramagic N-300 · Pahrump, NVOn June 18, 2026, at 0645 mountain daylight time, an Ultramagic SA N-300 balloon, N330LV, was substantially damaged when it was involved in an accident near Pahrump, Nevada. The pilot and 2 passengers were seriously injured; 7 passengers sustained minor…NTSB WPR25LA244Accident · Serious injuriesClass 3 · LimitedPreliminary reportNorth American T-28C · West Wendover, NVOn August 07, 2025, at 1532 Pacific daylight time, a North American T-28C, N9748Y, was substantially damaged when it was involved in an accident near West Wendover, Utah. The pilot and the passenger were seriously injured. The airplane was operated as a Title…NTSB WPR23LA330Accident · No injuriesClass 4 · LimitedFinal reportYamaha Fazer SAR · Reno, NVThe operator’s incorrect input into the ground station controller, resulting in a loss of control during flight and subsequent impact with terrain.NTSB WPR23LA179Accident · No injuriesClass 4 · LimitedFinal reportELY John M Vans Acft RV-8 · North Las Vegas, NVThe pilot’s failure to maintain directional control during landing in gusting wind conditions, which resulted in a ground loop.NTSB WPR23FA153Accident · 2 fatalClass 3 · FieldFinal reportMullins David J JR Glastar · Cal-Nev-Ari, NVThe 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 WPR23LA139Accident · No injuriesClass 4 · LimitedFinal reportFiedler Mark R PA-18 Replica · Sandy Valley, NVThe pilot’s failure to maintain airplane control during an off airport precautionary landing on soft soil, which resulted in a nose over.NTSB WPR23LA111Accident · Serious injuriesClass 4 · LimitedFinal reportGlasair Sportsman · Cal-Nev-Ari, NVThe 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 WPR22LA142Accident · Serious injuriesClass 3 · LimitedFinal reportBarber Robert L Sonerai II L · Jean, NVA reported loss of engine power for undetermined reasons.NTSB WPR19LA257Accident · Serious injuriesClass 3 · LimitedFinal reportKubicek BB60 · Goodsprings, NVThe pilot's failure to maintain the proper descent rate during the approach to landing, which resulted in a hard landing and serious injuries to the pilot and two passengers.NTSB WPR19LA261Accident · Minor injuriesClass 3 · LimitedFinal reportHavoc Air Racing Super GT 111 · Reno, NVThe failure of the landing gear to extend for reasons that could not be determined.NTSB GAA18CA548Accident · No injuriesData collectionFinal reportVans Vans RV 8 · Carson, NVThe pilot's improper landing flare, which resulted in a bounced landing, and his subsequent failure to maintain directional control in gusting, right quartering tailwind conditions.NTSB WPR18FA247Accident · 2 fatalClass 3 · FieldFinal reportSchempp-Hirth Duo Discus T · New Washoe City, NVThe pilot’s delayed recovery from an inadvertent spin and/or spiral dive and an exceedance of the glider’s design limit load during recovery, which resulted in an overload failure of both wings.NTSB WPR18FA131Accident · 1 fatalField investigationFinal reportAmerican Air Racing Thunder Mustang · Reno, NVThe pilot's failure to properly secure the engine coolant pump pulley during recent maintenance, which resulted in a loss of the engine's lubrication, cooling, and propeller control systems, and a forced landing, during which the airplane nosed over.…NTSB WPR16LA181Accident · No injuriesLimited investigationFinal reportDehavilland DH115 Vampire · Reno, NVThe in-flight failure of the canopy and subsequent loss of engine power for reasons that could not be determined because postaccident examination of the airframe and engine revealed no anomalies that would have precluded normal operation.NTSB WPR16FA160Accident · 1 fatalField investigationFinal reportAMS Flight Carat A · Minden, NVImpact with terrain for reasons that could not be determined based on the available information.NTSB WPR14FA369Accident · 1 fatalField investigationFinal reportBackovich George C G P 5 · Reno, NVThe failure of the right wing under normal race loads due to an improper repair of the right wing spar that reduced its structural strength following a previous landing accident.NTSB WPR14LA312Accident · Minor injuriesLimited investigationFinal reportRoscher Frederick Thunder Mustang · Spanish Springs, NVA complete loss of engine power during climb for reasons that could not be determined due to the severity of postcrash fire damage to the airplane.NTSB WPR14LA222Accident · 1 fatalLimited investigationFinal reportPhillips BD 4 · Dayton, NVThe pilot’s failure to maintain adequate airspeed and his exceedance of the airplane’s critical angle-of-attack during the turn onto the final base leg in gusting wind conditions, which resulted in a stall/spin at too low an altitude to allow recovery.NTSB WPR14LA040Accident · Serious injuriesLimited investigationFinal reportMikoyan Gurevich MIG 21 UM · Reno, NVThe loss of brake control due to the fracture of the front brake pawl engagement spring, which resulted in a runway overrun.NTSB WPR12LA218Accident · 1 fatalLimited investigationFinal reportAvia Stroitel AC-5M · Kingston, NVThe pilot's failure to maintain control of the glider while maneuvering in flight.NTSB WPR11MA454Accident · 11 fatalClass 1 · MajorFinal reportNorth American/Aero Classics P-51D · Reno, NVThe reduced stiffness of the elevator trim tab system that allowed aerodynamic flutter to occur at racing speeds. The reduced stiffness was a result of deteriorated locknut inserts that allowed the trim tab attachment screws to become loose and to initiate…NTSB WPR10LA468Accident · Minor injuriesLimited investigationFinal reportGiboney Thunder Mustang · Reno, NVFailure of a connecting rod bearing and two connecting rods, which resulted in a loss of engine power while maneuvering at low altitude.NTSB WPR10CA288Accident · No injuriesData collectionFinal reportBurkhart Grob G103C Twin III Acro · Minden, NVThe pilot's encounter with an area of degraded lift during cruise flight, resulting in a forced off-airport landing.NTSB WPR10LA040Accident · Serious injuriesLimited investigationFinal reportHallbauer Dragonfly Mark II · Las Vegas, NVThe CFI's failure to maintain directional control of the airplane during takeoff.NTSB WPR09LA004Accident · 1 fatalLimited investigationFinal reportBonde TF-51D · Sandy Valley, NVThe pilot's failure to maintain adequate airspeed while maneuvering to land, resulting in an aerodynamic stall. Contributing to the accident was the pilot's diverted attention while attempting to extend the landing gear.NTSB SEA08GA194Accident · 3 fatalFinal reportLockheed P2V-7 · Reno, NVThe failure of the flight crew to maintain airspeed above in-flight minimum control speed (Vmca) after losing power in the left jet engine during initial climb after takeoff. Contributing to the accident was the crew's inadequate cockpit resource management…NTSB SEA07FA263Accident · 1 fatalField investigationFinal reportAero Vodochody L-39C · Reno, NVThe pilot's encounter with wake turbulence while maneuvering over a race course. Contributing to the accident was the low altitude at which the encounter occurred.NTSB LAX07CA266Accident · No injuriesData collectionFinal reportAmerican Air Racing Thunder Mustang · Reno, NVFire resulting from vegetation contacting hot brakes following an aborted takeoff.NTSB LAX07CA063Accident · No injuriesData collectionFinal reportBelcher Helicycle · Boulder City, NVa loss of engine power due to a fractured fuel line.NTSB LAX06LA024Accident · Serious injuriesLimited investigationFinal reportSchleicher ASH 26 E · Sparks, NVThe pilot's inadvertent flight into instrument meteorological conditions which resulted in a subsequent loss of control and an in-flight breakup. A contributing factor was the spool up delay for the emergency turn and bank indicator.NTSB LAX05LA281Accident · Serious injuriesLimited investigationFinal reportBurkhart Grob Flugzeugbau G102 Club Astir Iiib · Minden, NVthe student pilot's failure to ensure that the canopy was properly latched prior to departure. The inadequate supervision of the flight by the instructor and flight school was also causal.NTSB LAX05LA248Accident · Minor injuriesLimited investigationFinal reportScandinavian Aero Industry KZ VII · Elko, NVThe pilot's failure to use carburetor heat, which resulted in the formation of carburetor ice and the total loss of engine power.NTSB LAX05LA239Accident · 1 fatalLimited investigationFinal reportAs+ AC4 · Sparks, NVthe pilot's failure to maintain an adequate airspeed while performing S-turns on final approach, which resulted in a stall and uncontrolled descent into terrain. A contributing factor in the accident was the pilot's impairment due to ingestion of an…NTSB LAX05LA014Accident · 1 fatalLimited investigationFinal reportAMS Flight Carat A · Minden, NVthe pilot's likely inadvertent entry into instrument meteorological conditions created by the rapidly changing cloud conditions that resulted in his spatial disorientation and exceeding the glider's ultimate design loads while in a spiral dive, which resulted…NTSB LAX04LA195Accident · No injuriesLimited investigationFinal reportSpirangam Velocity · Boulder City, NVthe pilot's failure to maintain directional control of the airplane during the landing rollout.NTSB LAX03LA165Accident · No injuriesLimited investigationFinal reportPZL-Bielsko SZD-50-3 · Minden, NVThe flight instructor's failure to adequately supervise the student, which resulted in the improper deployment of the spoilers by the student. A factor was the high vegetation on the landing surface.NTSB LAX02LA283Accident · 1 fatalLimited investigationFinal reportMinkler Venture M20 · Reno, NVthe overload failure of the horizontal stabilizers and elevators due to a pilot induced oscillation at a speed at or above Vne, which exceeded the design stress limits of the structure. Also causal was the intentional alteration by an unknown person or…NTSB LAX00LA023Accident · 1 fatalLimited investigationFinal reportLuhnau BD-5B · Boulder City, NVThe pilot's failure to secure an electrical wire terminal in the propeller pitch control circuit following a maintenance adjustment, which resulted in the propeller malfunctioning and going to a flat pitch. The flat pitch of the propeller produced a high drag…NTSB LAX00LA011Accident · No injuriesLimited investigationFinal reportWaco UPF7 · Jean, NVThe pilot of the other airplane's failure to maintain an adequate visual lookout while taxiing for departure. Factors in the accident were: the narrow nature of the taxiway and the pilot of the other airplane's subsequent inability to S-turn for better…NTSB LAX99LA323Accident · Serious injuriesLimited investigationFinal reportAirbus Industrie A-320-231 · Beatty, NVthe failure of the injured passengers to remain seated with their seat belts fastened as directed by the captain.NTSB LAX99LA170Accident · No injuriesLimited investigationFinal reportWsk Pzl Warzawa-Okecie PZL-104 Wilga 80 · Reno, NVThe flight instructor's improper supervision of the pilot trainee and his failure to make timely control inputs in order to maintain aircraft control.NTSB LAX98LA302Accident · No injuriesLimited investigationFinal reportBognuda Livio IV Lancair · Reno, NVThe failure of the pilot-in-command to maintain adequate visual surveillance of the taxiway in front of his aircraft to avoid the collision.NTSB LAX97LA265Accident · No injuriesLimited investigationFinal reportSchempp-Hirth DUO Discus · Minden, NVThe pilot's failure to ensure that the wings were maintained at a lateral level attitude during the initial landing rollout. A factor in the accident was the rough, uneven nature of the terrain chosen for the landing.NTSB LAX96LA212Accident · Serious injuriesLimited investigationFinal reportSchleicher ASW-20 · Sparks, NVthe pilot's inadequate compensation for wind conditions during the takeoff roll, and his failure to maintain control of the glider. The gusty wind condition was a related factor.NTSB LAX95LA260Accident · Minor injuriesLimited investigationFinal reportStinson L-5E · Elko, NVthe failure of the student pilot to maintain directional control and the inadequate supervision by the instructor pilot in taking timely corrective action.NTSB LAX95FA029Accident · Serious injuriesField investigationFinal reportCessna 421A · Sparks, NVThe pilot's improper use of the fuel selector and subsequent fuel starvation.NTSB LAX93LA124Accident · 1 fatalLimited investigationFinal reportBertone Challenger II · Boulder City, NVThe pilot's loss of airplane control due to physical impairment as a result of either drugs or other cardiovascular reasons, or both.NTSB LAX93LA047Accident · 1 fatalLimited investigationFinal reportNorth American F-51D · Wellington, NVThe pilot's improper handling of his airplane during the performance of an aerobatic maneuver with inadequate altitude.NTSB SEA90LA117Accident · No injuriesLimited investigationFinal reportDickey E-RACER · Jackpot, NVAn undetermined failure or anomaly of the exhaust system, which resulted in an in-flight fire of the fiberglass structure of the aircraft and failure of the aircraft braking system.NTSB SEA88LA099Accident · No injuriesLimited investigationFinal reportBrown 1911 Bellanca · Carson City, NVThe purpose of the flight was to test a new type of propeller which had just been installed on the aircraft. The pilot noticed prior to rotation an increase in the RPM. At rotation the nose up pitch was excessive. The pilot lowered the nose of the aircraft to…