NTSB investigations: Amateur-built UNKNOWN ENG, IN
34 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
| 1971 | 1 |
|---|---|
| 1982 | 2 |
| 1985 | 1 |
| 1986 | 1 |
| 1992 | 1 |
| 1996 | 1 |
| 1998 | 1 |
| 1999 | 1 |
| 2000 | 2 |
| 2002 | 1 |
| 2003 | 1 |
| 2004 | 1 |
| 2005 | 1 |
| 2006 | 3 |
| 2007 | 4 |
| 2008 | 1 |
| 2010 | 4 |
| 2014 | 1 |
| 2015 | 1 |
| 2017 | 1 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 2 |
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\" = 'IN' 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" = 'IN' 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 CEN25LA013Accident · Minor injuriesClass 3 · LimitedFinal reportRotorway Exec · Plymouth, INA loss of control due to the failed forward tail rotor belt as a result of the owner’s failure to follow the helicopter manufacturer’s tail rotor belt replacement recommendations.NTSB CEN24FA170Accident · 2 fatalClass 3 · FieldFinal reportZenith CH601 · Bristol, INThe pilot’s loss of control during the descent for reasons that could not be determined, which resulted in a steep descent into terrain.NTSB CEN24LA032Accident · Minor injuriesClass 4 · LimitedFinal reportTom Hodgson 29 · Kokomo, INThe pilot’s failure to maintain directional control during the landing roll.NTSB CEN22LA184Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-24-260 · Terre Haute, INA hard landing, which resulted in the failure of the right main landing gear outer bearing and collapse of the landing gear.NTSB CEN17LA365Accident · No injuriesLimited investigationFinal reportGaddis Michael Exec 162 F · Plymouth, INA failure of the drive belt for reasons that could not be determined based on the available information.NTSB CEN15CA155Accident · No injuriesData collectionFinal reportGaddis Michael Exec 162 F · Plymouth, INThe failure of the helicopter's main drive belt resulting in the pilot performing a forced landing, during which the helicopter's fuselage was substantially damage.NTSB CEN14LA243Accident · 1 fatalLimited investigationFinal reportHoffius Stowe Challenger II · Attica, INThe pilot’s failure to maintain adequate airspeed and his exceedance of the airplane’s critical angle-of-attack while maneuvering at low altitude, which led to an aerodynamic stall and loss of control. Contributing to the accident was the installation of an…NTSB CEN11CA002Accident · No injuriesData collectionFinal reportGingerich Alton & Slagel Dean Christavia MK 1 · Nappanee, INThe total loss of engine power for undetermined reasons.NTSB CEN10LA442Accident · 1 fatalLimited investigationFinal reportLunceford Sparrowhawk II · Tell City, INThe pilot's loss of control of the gyroplane for undetermined reasons.NTSB CEN10CA441Accident · Minor injuriesData collectionFinal reportWolseley Motors SE5-A · Seymour, INA 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 CEN10CA301Accident · No injuriesData collectionFinal reportCessna 421B · Anderson, INThe pilot’s failure to establish proper rotation and liftoff speed during the takeoff roll.NTSB CHI08CA168Accident · No injuriesData collectionFinal reportWolseley Motors SE5-A · Seymour, INThe pilot/builder's failure to manufacture the airplane with an appropriate engine thrust angle. Contributing to the accident was the pilot/builder's adjustment of the horizontal stabilizer which rendered the airplane uncontrollable.NTSB CHI07LA273Accident · 1 fatalLimited investigationFinal reportTerpstra Exec 162F · Winamac, INThe inadequate installation of the horizontal stabilizer bracket by the pilot, the fatigue fracture seperation of vertical stabilizer bracket during cruise flight, and the aircraft control not possible by the pilot.NTSB CHI07CA262Accident · No injuriesData collectionFinal reportBeech BE-77 · Bloomington, INThe loss of engine power due to fuel exhaustion as a result of the pilot's inadequate preflight.NTSB CHI07CA152Accident · No injuriesData collectionFinal reportCessna 421C · Kokomo, INThe pilot not obtaining proper alignment with the runway during the emergency landing after takeoff, which imparted an excessive side load on the landing gear. Factors contributing to the accident were the unstabilized approach and engine shutdown due to the…NTSB CHI07FA052Accident · 1 fatalField investigationFinal reportBeech 58 · Washington, INThe pilot's failure to maintain clearance from trees and terrain while attempting to return to the departure airport for undetermined reasons after takeoff. The intervening tree line was a contributing factor.NTSB CHI06CA219Accident · Serious injuriesData collectionFinal reportShempp-Hirth Discuss B · Tipton, INThe glider pilot's improper in-flight decision to continue searching for thermal lift, instead of landing when the glider was in range of a suitable landing area. Contributing factors to the accident was the lack of thermal lift which resulted in a hard…NTSB CHI06CA155Accident · No injuriesData collectionFinal reportMcFarland Rotorway Exec · Mooresville, INAn in-flight fire for undetermined reasons.NTSB CHI06LA112Accident · No injuriesLimited investigationFinal reportDassault Falcon 2000 · Stilesville, INThe separation of the left engine cowling during cruise flight for undetermined reasons.NTSB CHI05LA094Accident · No injuriesLimited investigationFinal reportTschida Glastar · Kendallville, INA loss of engine power due to fuel starvation as a result of the fuel flow restriction at the internal engine fuel filter due the presence of the silicone sealant material. Contributing factors were the unsuitable terrain for a forced landing short of the…NTSB CHI04LA245Accident · Serious injuriesLimited investigationFinal reportFall Cub · Rockville, INThe fuel starvation encountered due to the builder's inadequate fuel system design and the subsequent loss of engine power during a maneuver for the landing approach. Factors were the tree and corn.NTSB CHI03LA195Accident · No injuriesLimited investigationFinal reportRuminski Ultra Pup · Richmond, INThe pilot failed to maintain directional control and the airplane ground looped.NTSB CHI03LA009Accident · Minor injuriesLimited investigationFinal reportDavis Early Bird Jenny · Scottsburg, INThe pilot not maintaining aircraft control. Factors to the accident included the pilot's lack of familiarity with the airplane, which resulted in an inadvertent stall/spin at a low altitude.NTSB CHI00LA226Accident · 1 fatalLimited investigationFinal reportHalsmer Crazy 8 · Lafayette, INAircraft control not being maintained by the pilot during the forced landing. Factors to the accident were the engine failure due to an overtemperature, the pilot's lack of familiarity with the aircraft, and the trees.NTSB CHI00LA218Accident · No injuriesLimited investigationFinal reportYakovlev YAK 52 · Mooresville, INthe brakes not available to the pilot. Factors were the improperly serviced brake system, the improper adjustment of the brakes by maintenance personnel, the trees, and the pilot's decision not to use the available alternate airport.NTSB CHI99LA200Accident · Serious injuriesLimited investigationFinal reportGillmore Benson B&M · Greencastle, INthe failure of the cyclic control rod. Factors were aircraft control not possible for the pilot.NTSB CHI98LA152Accident · No injuriesLimited investigationFinal reportRead Rotorway Executive · Valparaiso, INthe pilot not maintaining adequate clearance with the ground during hover. Factors which contributed to this accident were the pilot's execution of a hovering turn at too low of an altitude, inadequate preflight preparation, and failing to remove the…NTSB CHI96LA110Accident · No injuriesLimited investigationFinal reportYakovlev YAK C-11 · North Vernon, INFailure of the pilot to maintain adequate airspeed during an aborted landing, which resulted in an inadvertent stall.NTSB CHI92DEX04Accident · Minor injuriesFinal reportAlkire Pietenpol · Delphi, INSeparation of the propeller while in flight, and unsuitable terrain to effect a forced landing.NTSB CHI86LA219Accident · Minor injuriesLimited investigationFinal reportHughes 500 (369HS) · West Lafayette, INThe helicopter was at a low altitude hover video taping an athletic event when the aft flex coupling on the tail rotor failed. The plt was unable to regain control and during descent the main rotor blades struck the roof of a residence. The helicopter then…NTSB CHI86FEX03Accident · No injuriesFinal reportBell H13G · Mccordsville, INThe helicopter rolled over after the main rotor blades contacted the terrain during an attempt to land from a hover. The plt had a student plt airplane certificate at the time of the accident.NTSB CHI82DA197Accident · No injuriesFinal reportAdams A55 · Fritchton, INThe pilot decided to land due to deteriorating weather. A descent was initiated but the pilot was waved off by the owner of the property. The pilot regained altitude and landed in a corn field. A gust of wind caused the balloon to drift, the basket was drug…NTSB CHI82DA147Accident · Serious injuriesFinal reportMong Sport MS-1 · Pendleton, INWhen the pilot arrived at anderson, Indiana, he was unable to find the ace airport. He saw huntzinger airport, a private strip, and decided to land to find out exactly where ace airport was located. During an approach to the sod runway, the aircraft collided…NTSB CHI72FEA12Accident · No injuriesClosedWilson B8M · Columbus, IN