NTSB investigations: Amateur-built UNKNOWN ENG, UT
45 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
| 1965 | 1 |
|---|---|
| 1980 | 1 |
| 1983 | 2 |
| 1985 | 1 |
| 1987 | 1 |
| 1993 | 2 |
| 1994 | 1 |
| 1995 | 1 |
| 1996 | 1 |
| 1997 | 2 |
| 2000 | 3 |
| 2001 | 1 |
| 2002 | 1 |
| 2003 | 1 |
| 2006 | 3 |
| 2007 | 4 |
| 2009 | 1 |
| 2010 | 2 |
| 2011 | 2 |
| 2012 | 1 |
| 2013 | 1 |
| 2014 | 1 |
| 2015 | 2 |
| 2016 | 2 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 3 |
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\" = 'UT' 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" = 'UT' 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 WPR22LA366Accident · No injuriesClass 4 · LimitedFinal reportArter Warren Carbon CUB CCK-1865 · Willard, UTThe pilot’s failure to maintain directional control during the landing roll.NTSB WPR22FA227Accident · 2 fatalClass 3 · FieldFinal reportCessna 152 · Mendon, UTThe flight instructor’s failure to recover from a developed spin, which resulted in impact with terrain. Contributing to the accident was the flight instructor’s decision to enter the maneuver below the operator’s altitude limitation.NTSB WPR22LA128Accident · No injuriesClass 4 · LimitedFinal reportNewell Michael J Lancair ES · Hurricane, UTLoss of brake pressure on the left brake due to air in the brake line which, resulted in a runway over run and collision with a ditch.NTSB WPR21LA356Accident · Minor injuriesClass 4 · LimitedFinal reportKitfox S7 · Hooper, UTThe pilot’s excessive brake pressure which resulted in the airplane nosing over and coming to rest inverted.NTSB WPR21LA178Accident · No injuriesClass 4 · LimitedFinal reportDiamond Aircraft Ind DA 42 · Brigham City, UTThe student pilot's unintentional selection of raising the landing gear instead of the flaps during a touch-and-go landing, and the flight instructor's delayed remedial action, which resulted in the landing gear retracting during the landing roll.NTSB WPR21LA155Accident · Serious injuriesClass 4 · LimitedFinal reportAerostar International RX 8 · St. George, UTThe pilot’s failure to maintain control of the balloon and a member of the ground crews entanglement with a tether rope, which resulted in a serious injury when they fell to the ground after the balloon unexpectedly ascended.NTSB WPR20CA142Accident · No injuriesClass 4 · Data collectionFinal reportN126c CCX-2000 · Heber City, UTThe front seat pilot's failure to maintain directional control during the landing roll, and the rear seat pilot's delayed remedial control inputs that subsequently resulted in a ground loop. Contributing to the accident was a lack of communication by both…NTSB GAA17CA073Accident · No injuriesData collectionFinal reportCarter Richard L Buddy Baby Lakes · Hurricane, UTThe pilot's failure to maintain directional control during takeoff, which resulted in a runway excursion.NTSB WPR16LA129Accident · No injuriesClass 3 · LimitedFinal reportBurkes BR-1 · Brigham City, UTA loss of engine power as a result of a failure of the primary and backup ignition system.NTSB WPR16FA036Accident · 2 fatalClass 3 · FieldFinal reportBarnett Allen S RV7 · Hurricane, UTThe pilot’s aerobatic maneuver leading to airspeeds above the airplane’s never exceed speed, which resulted in rudder flutter and an in-flight breakup.NTSB WPR15LA170Accident · Serious injuriesLimited investigationFinal reportDuenas Pulsar III · Hurricane, UTAn elevated oil temperature and subsequent total loss of engine power for reasons that could not be determined based on the available information.NTSB WPR14LA133Accident · No injuriesLimited investigationFinal reportPeter W Stevens Bearhawk Patrol · Salt Lake City, UTThe pilot’s failure to maintain directional control during the landing roll.NTSB WPR13LA147Accident · Minor injuriesLimited investigationFinal reportFranklin Glasair II · Spanish Fork, UTA loss of engine power due to fuel starvation, which likely resulted from air being introduced into the fuel system through the worn shaft of an electric fuel boost pump.NTSB WPR12LA205Accident · Serious injuriesLimited investigationFinal reportInfinity 2000 · Hurricane, UTThe pilot's decision to fly at a low altitude in a canyon, which resulted in insufficient altitude to recover from an encounter with terrain-induced turbulence.NTSB WPR11CA206Accident · No injuriesData collectionFinal reportTew William P Team Rocket F1 · Heber, UTThe pilot's failure to maintain directional control during landing.NTSB WPR11FA147Accident · 1 fatalField investigationFinal reportNeefjes Lancair 360 MK-II · Milford, UTThe 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 WPR10LA310Accident · Serious injuriesLimited investigationFinal reportRice KR-2 · Richfield, UTA loss of engine power during initial climb due to a carburetor malfunction.NTSB WPR10LA294Accident · No injuriesLimited investigationFinal reportSchleicher Alexander ASH 26 E · Parowan, UTThe pilot's failure to see and avoid the other glider climbing in the same thermal.NTSB WPR09LA269Accident · 2 fatalLimited investigationFinal reportStorch Aviation Australia PTY SS-MK4 · Boulder, UTThe pilot's failure to maintain clearance from power lines during low altitude maneuvering.NTSB SEA08LA007Accident · Minor injuriesLimited investigationFinal reportHaring Clay RV8A · Brigham City, UTFuel exhaustion due to the pilot's inaccurate fuel consumption calculations. Factors include an inaccurate fuel quantity measuring system, and soft terrain encountered during the landing roll.NTSB SEA07CA167Accident · No injuriesData collectionFinal reportRallison Rotorway 162F · Logan, UTThe total loss of engine power due to the pilot inadvertently deactivating the rotor drive clutch assembly. A contributing factor was the downhill terrain condition where he landed, which exceeded the slope limitations of the helicopter.NTSB LAX07LA184Accident · No injuriesLimited investigationFinal reportBrook Lancair IV-P · Parowan, UTA loss of engine power due to engine inlet icing. Contributing to the accident was the lack of engine inlet anti-icing capability.NTSB SEA07CA083Accident · No injuriesData collectionFinal reportDuffy/Wagner Vans RV-4 · Ogden, UTThe pilot's inadequate fuel management resulting in a loss of engine power due to fuel starvation. A contributing factor was the lack of suitable terrain for the forced landing.NTSB SEA06CA173Accident · No injuriesData collectionFinal reportCessna 182RG · Fairfield, UTThe failure of the pilot-rated-passenger to maintain adequate airspeed on final during a simulated engine-out approach, resulting in the aircraft descending into the terrain about 40 feet short of the runway, and the failure of the pilot-in-command to take…NTSB SEA06FA116Accident · 3 fatalField investigationFinal reportLciv Lancair IV-P Propjet · Provo, UTThe pilot's failure to maintain altitude/clearance during a VFR approach, which resulted in an in-flight collision with water. Contributing factors were the dark night light conditions and the low clouds.NTSB SEA06CA069Accident · No injuriesData collectionFinal reportKearsley Exec 162F · Morgan, UTThe pilot's inadequate in-flight decision to attempt to hover out of ground effect above the kit manufacturers published recommendations. A factor was mountainous terrain.NTSB DEN03FA034Accident · 2 fatalField investigationFinal reportYakovlev YAK 52 · Midway, UTThe malfunction of the elevator control as a result of a jammed elevator control bell crank, rendering control of the airplane impossible. A contributing factor was the foreign object (nut) damage.NTSB DEN02FA076Accident · 2 fatalField investigationFinal reportWheeler Doug 2000 · Ogden, UTthe pilot's failure to obtain and maintain adequate main rotor rpm, resulting in blade flapping and subsequent blade contact with the airframe, severing of the tailboom, and causing loss of aircraft control. Contributing factors were the high gusty winds, and…NTSB DEN02LA010Accident · Minor injuriesLimited investigationFinal reportAgusta A119 · Ogden, UTimproper rigging of the rotary variable differential transformer by the manufacturer, resulting in incorrect fuel scheduling to the fuel control unit.NTSB DEN00LA131Accident · Minor injuriesLimited investigationFinal reportRotorway Executive 162F · Tooele, UTThe pilot's inadequate weather evaluation, which resulted in a downwind landing, and his failure to maintain aircraft control. A factor was the tailwind.NTSB DEN00LA105Accident · Minor injuriesLimited investigationFinal reportFroelich Lancair IV · Bountiful, UTThe loss of power for undetermined reasons and the pilot's unsuccessful remedial action (dive to avoid the power line). Contributing factors were the power line, the tires and the fence.NTSB DEN00LA098Accident · No injuriesLimited investigationFinal reportRosenvall Avid MK IV · Salina, UTThe pilot's failure to maintain aircraft control during landing roll. A factor was gusting winds from nearby thunderstorms.NTSB FTW98LA015Accident · No injuriesLimited investigationFinal reportSego Tool Hawk H2X · Tooele, UTThe pilot's failure to maintain aircraft control. Contributing was the inadequate design of the flight control systems, resulting in slow response to pilot input.NTSB FTW97LA360Accident · No injuriesLimited investigationFinal reportSchweizer SGS 1-34 · Heber City, UTThe pilot's improper use of spoilers during the landing sequence. Factors were the embankment and the fence.NTSB SEA96FA036Accident · 1 fatalField investigationFinal reportPiper PA-28-235 · Lehi, UTcontinued VFR flight by the pilot into instrument meteorological conditions (IMC), and his failure to maintain sufficient altitude and/or clearance from mountainous terrain. Factors relating to the accident were: darkness, low ceiling, and snow.NTSB SEA96LA048Accident · No injuriesLimited investigationFinal reportPiper PA-28-161 · Salt Lake City, UTa carburetor fire.NTSB SEA94LA119Accident · 1 fatalLimited investigationFinal reportHallstrom BD-5B · St. George, UTCarburetor contamination and low output, and the pilot's improper decision to attempt to continue the approach. A factor was the pilot's lack of recent flight experience.NTSB SEA93LA174Accident · 2 fatalLimited investigationFinal reportBrauch Glasair · Blanding, UTThe loss of engine power resulting from inadequate maintenance inspection by the pilot, a leak from loose fuel system line fittings, and fuel exhaustion. A factor relating to the accident was the rough/uneven terrain.NTSB SEA93LA150Accident · No injuriesLimited investigationFinal reportHoopes Hummelbird · Salt Lake City, UTA fractured crankshaft.NTSB DEN87LA097Accident · Minor injuriesLimited investigationFinal reportMclachlan Moni · Tooele, UTThe private plt was cruising the local area near his home in his homebuilt experimental moni. The newly installed engine began to run rough. This engine is not a traditional acft engine and was a two cycle, two cylinder engine manufactured in italy, with an…NTSB DEN86LA049Accident · Serious injuriesLimited investigationFinal reportFairchild Hiller FH-1100 · Bountiful, UTAccording to the plt, he and three friends were en route to a local ski resort, when the helicopter encountered deteriorating wx. The plt stated he elected to cross the ridge and fly down a ravine to maintain visual reference. The plt said he was aware of…NTSB DEN83LA218Accident · No injuriesLimited investigationFinal reportSchweizer SGS 1-34 · Park City, UTThe glider dragged a wing and nosed into the ground before ground looping during landing. The pilot said he was lifted by an updraft during landing and was running out of landing space so he turned to an alternate area. The turn was made at 150-200 ft AGL &…NTSB DEN83FA131Accident · 2 fatalField investigationFinal reportAero Commander 680FL · Monticello, UTThe acft crashed while doing magnetometer surveys at low altitude. The right engine had lost power then regained it for a short period and lost it again. A videotape in the acft recorded the plt saying, 'I changed that # just in time.' The acft yawed and the…NTSB DEN80FTM31Accident · No injuriesClosedCessna 182 · Hanksville, UTNTSB DEN65F0016Accident · No injuriesClosedLuscombe 8A · Bryce Canyon, UT