NTSB investigations: Amateur-built UNKNOWN ENG, 2023
41 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
| 1964 | 11 |
|---|---|
| 1965 | 12 |
| 1966 | 20 |
| 1967 | 16 |
| 1968 | 7 |
| 1969 | 11 |
| 1970 | 14 |
| 1971 | 16 |
| 1972 | 10 |
| 1973 | 12 |
| 1974 | 17 |
| 1975 | 13 |
| 1976 | 20 |
| 1977 | 19 |
| 1978 | 25 |
| 1979 | 18 |
| 1980 | 20 |
| 1981 | 19 |
| 1982 | 29 |
| 1983 | 21 |
| 1984 | 26 |
| 1985 | 22 |
| 1986 | 27 |
| 1987 | 31 |
| 1988 | 29 |
| 1989 | 15 |
| 1990 | 28 |
| 1991 | 20 |
| 1992 | 22 |
| 1993 | 27 |
| 1994 | 26 |
| 1995 | 31 |
| 1996 | 30 |
| 1997 | 22 |
| 1998 | 30 |
| 1999 | 34 |
| 2000 | 49 |
| 2001 | 45 |
| 2002 | 64 |
| 2003 | 67 |
| 2004 | 58 |
| 2005 | 70 |
| 2006 | 59 |
| 2007 | 74 |
| 2008 | 63 |
| 2009 | 62 |
| 2010 | 62 |
| 2011 | 44 |
| 2012 | 58 |
| 2013 | 43 |
| 2014 | 46 |
| 2015 | 40 |
| 2016 | 39 |
| 2017 | 43 |
| 2018 | 34 |
| 2019 | 40 |
| 2020 | 28 |
| 2021 | 36 |
| 2022 | 41 |
| 2023 | 41 |
| 2024 | 34 |
| 2025 | 32 |
| 2026 | 26 |
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 year(c.\"eventDate\") = 2023
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 year(c."eventDate") = 2023
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 ERA24LA083Accident · No injuriesClass 4 · LimitedFinal reportRabe Richard Exec 162F · Tuscumbia, ALThe pilot’s failure to maintain control of the helicopter, which resulted in the right skid contacting the ground and a subsequent rollover.NTSB WPR24FA053Accident · 1 fatalClass 3 · FieldFinal reportBeauchamp Norm Kitfox · Eloy, AZThe separation of a propeller blade during the initial climb due to insufficient blade retention forces. Contributing to the accident was the propeller blade retention design, manufacturing defects that prevented the propeller from achieving adequate grip…NTSB ERA24LA043Accident · Minor injuriesClass 3 · LimitedFinal reportLancair IV · Perry, FLA rapid throttle advancement after a period of idling, which resulted in a flooded engine and total loss of engine power.NTSB ERA24LA040Accident · Minor injuriesClass 3 · LimitedFinal reportBell Andy Skyraider II · Limington, METhe failure of the fuel pump to adequately supply fuel to the engine due to significant corrosion.NTSB CEN24LA037Accident · Minor injuriesClass 3 · LimitedFinal reportCharles L. Hayes Lancair IVP Turbine · McKinney, TXThe pilot’s failure to attain the proper touchdown point during landing, which resulted in a runway excursion and collision with terrain and a vehicle.NTSB WPR24LA031Accident · No injuriesClass 4 · LimitedFinal reportAmazon.Com Services MK27-2 · Pendleton, ORThe operator’s use of an insufficiently charged battery that resulted in a total loss of engine power and subsequent impact with terrain.NTSB CEN24LA032Accident · Minor injuriesClass 4 · LimitedFinal reportTom Hodgson 29 · Kokomo, INThe pilot’s failure to maintain directional control during the landing roll.NTSB CEN24FA024Accident · 1 fatalClass 3 · FieldFinal reportLancair 320 · Manitowoc, WIThe pilot’s decision to continue the visual flight rules flight into instrument meteorological conditions and failure to maintain clearance from trees and terrain during an unapproved instrument approach. Contributing to the accident was the pilot’s…NTSB WPR24LA015Accident · No injuriesClass 4 · LimitedFinal reportBoeing A75N1(PT17) · Mesa, AZThe flight instructor’s failure to maintain directional control during the landing roll, which resulted in a ground loop.NTSB WPR23LA361Accident · Minor injuriesClass 4 · LimitedFinal reportGleim James M MG-1 · Madera, CAAn emergency landing on uneven terrain that resulted in the loss of directional control during landing.NTSB WPR23LA352Accident · Serious injuriesClass 3 · LimitedFinal reportWayne Toddun Sling 4 TSI · San Pedro, CAA total loss of engine power due to a failure of the No. 4 cylinder exhaust valve from overheating and excessive wear.NTSB ANC23LA078Accident · No injuriesClass 3 · LimitedFinal reportRhodes Steven D SR3500 · Nenana, AKA total loss of engine power due to fuel starvation. Contributing was the owner/builder’s inadequate maintenance.NTSB CEN23FA410Accident · 1 fatalClass 3 · FieldFinal reportSonex Sonex · Dowagiac, MIThe total loss of engine power due to the failure of the ignition distributor rotor.NTSB CEN23LA405Accident · No injuriesClass 3 · LimitedFinal reportAlisport Silent 2 Electro · Giddings, TXThe glider’s encounter with flutter during cruise flight that resulted in structural damage to the fuselage.NTSB ERA23LA365Accident · Minor injuriesClass 3 · LimitedFinal reportSheehan Kevin A Vans RV-8 · Umatilla, FLA total loss of engine power for reasons that could not be determined.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 ERA23LA351Accident · Serious injuriesClass 3 · LimitedFinal reportNanchang China CJ-6A · Merrickville, NYA total loss of engine power while enroute for reasons that could not be determined.NTSB CEN23FA361Accident · Serious injuriesClass 3 · FieldFinal reportMikoyan Gurevich MIG-23UB · Belleville, MIA reported partial loss of engine power while maneuvering for reasons that could not be determined.NTSB WPR23LA314Accident · Serious injuriesClass 3 · LimitedFinal reportReynolds Ronald B Team Acft Z-MAX · Rigby, IDThe 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 DCA23LA397Accident · No injuriesClass 4 · LimitedFinal reportSupernal SUP83-1 · California City, CAA loss of control in flight due to a loss of electrical power to one of the lift-motors.NTSB WPR23LA292Accident · No injuriesClass 4 · LimitedFinal reportJohn Espe Cruiser · Buhl, IDThe pilot's failure to maintain airplane control during landing with a gusting tail wind.NTSB CEN23LA319Accident · No injuriesClass 3 · LimitedFinal reportAlisport Silent 2 Electro · Wallis, TXThe 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 CEN23LA327Accident · Minor injuriesClass 3 · LimitedFinal reportVans RV10 · Chouteau, OKThe total loss of engine power as a result of a failed positive crankcase ventilation (PCV) valve and a subsequent impact with terrain.NTSB ERA23LA278Accident · No injuriesClass 4 · LimitedFinal reportGopalan Hariharan 4 Place · Sanford, NCThe pilot’s failure to maintain directional control while landing in a crosswind, which resulted in a nose over.NTSB CEN23LA242Accident · Minor injuriesClass 4 · LimitedFinal reportTipton Kitfox Kitfox IV · Odessa, MOThe pilot’s failure to attain the proper touchdown speed, which resulted in a runway excursion and subsequent nose over.NTSB CEN23FA220Accident · 1 fatalClass 3 · FieldFinal reportVans RV7 · Gibbon, NEThe pilot’s improper decision to fly the airplane into known adverse weather and icing conditions which resulted in a loss of control.NTSB CEN23LA197Accident · No injuriesClass 4 · LimitedFinal reportGulfstream-Schweizer A/C Gulfstream AM G-164B · Gueydan, LAThe 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 ERA23LA241Accident · Minor injuriesClass 3 · LimitedFinal reportBurril Benjamin D BDB001 · Wadesboro, NCA 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 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 WPR23LA354Accident · No injuriesClass 4 · LimitedFinal reportKerr John Hatz Classic · Ennis, MTThe pilot’s failure to maintain directional control during the landing roll which resulted in a ground-loop.NTSB ERA23LA208Accident · Serious injuriesClass 3 · LimitedFinal reportVans RV6 · Eaton, OHThe pilot’s inadequate fuel management, which resulted in a total loss of engine power due to fuel exhaustion.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 CEN23LA152Accident · Minor injuriesClass 3 · LimitedFinal reportVans RV6 · Goldsby, OKThe engine electronic ignition system became disconnected, which resulted in a partial loss of engine power.NTSB WPR23LA132Accident · No injuriesClass 4 · LimitedFinal reportFay David Velocity Elite · Bullhead City, AZThe 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 CEN23LA135Accident · No injuriesClass 3 · LimitedFinal reportBell Helicopter Textron APT70 · Mineral Wells, TXThe 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 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 ERA23LA132Accident · Serious injuriesClass 3 · LimitedFinal reportStilp Tanner E Savannah S · Trenton, SCThe loss of control during the base turn to final due to the impingement of the Y-stick control by a notepad.NTSB DCA23LA192IncidentClass 4 · LimitedFinal reportLearjet 60 · Boston, MAThe 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 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 CEN23LA109Accident · No injuriesClass 4 · LimitedFinal reportCessna 150 · Montevideo, MNThe pilot’s failure to maintain directional control during the landing roll.NTSB DCA23LA133Incident · No injuriesClass 3 · LimitedFinal reportBoeing 777-222 · Honolulu, HIThe 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…