NTSB investigations: Amateur-built UNKNOWN ENG, 2005
70 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 | 25 |
Where
Latest 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\") = 2005
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") = 2005
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 DFW06CA042Accident · No injuriesData collectionFinal reportCASA 1.131E · McKinney, TXThe pilot's failure to maintain directional control and airspeed, which resulted in an inadvertent stall. A contributing factor was the pilot's helmet and goggles shifting while maneuvering.NTSB NYC06LA042Accident · No injuriesLimited investigationFinal reportPiper PA-46-310P · Dunkirk, NYThe Piper Malibu pilot's failure to use the correct radio frequency for traffic advisories, and his selection of the wrong, inactive runway, which resulted in an on-ground collision with another airplane while landing.NTSB MIA06LA028Accident · No injuriesLimited investigationFinal reportMestas Felix R Velocity LWFG-E · Punta Gorda, FLA loss of engine power for undetermined reasons.NTSB LAX06CA037Accident · Serious injuriesData collectionFinal reportHopkins Rutan VariViggen · Aguila, AZthe pilot's failure to maintain an adequate airspeed during landing approach, which resulted in an inadvertent stall. A contributing factor was the pilot's lack of experience in the accident airplane.NTSB DFW06LA028Accident · 1 fatalLimited investigationFinal reportRehler Gyrocopter · New Braunfels, TXThe pilot's failure to maintain control while landing. A contributing factor was the high winds.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 NYC06CA021Accident · Serious injuriesData collectionFinal reportCraig Sonerai II LT · Ashland, KYA loss of directional control during an emergency landing. A factor in the accident was an unlatched canopy requiring the pilot to hold it closed to maintain aircraft control.NTSB SEA06CA010Accident · Minor injuriesData collectionFinal reportMichael Moneyhan Magnum · Cougar, WAThe pilot's inadequate in-flight decision to land on the uneven terrain, which resulted in the airplane nosing over. Factors contributing to the accident included the uneven terrain and the sunglare condition.NTSB LAX06LA016Accident · 1 fatalLimited investigationFinal reportNord 3202 · Casa Grande, AZthe pilot's failure to maintain airspeed during a low-altitude evasive maneuver away from another airplane, which resulted in a stall and uncontrolled descent.NTSB MIA06LA006Accident · 1 fatalLimited investigationFinal reportSteven W. Jones KR2 · Venice, FLThe in-flight collision with the water for undetermined reasons.NTSB LAX06LA009Accident · No injuriesLimited investigationFinal reportBoeing 737-7H4 · Phoenix, AZThe failure of the other flight crew to maintain an adequate clearance from obstructions while taxiing.NTSB CHI06CA003Accident · No injuriesData collectionFinal reportDallMeyer Zenith CH-701 · Rolla, MOThe pilot misjudged the power required during the landing flare which resulted in a hard landing on the nose wheel. A factor associated with the accident was the pilot's lack of experience in the airplane.NTSB SEA06CA008Accident · No injuriesData collectionFinal reportWilliams Challenger II · Spokane, WAThe loss of all engine power while on downwind for undetermined reasons.NTSB DFW06CA003Accident · No injuriesData collectionFinal reportHarms KitFox Series 5 · La Porte, TXThe pilot's failure to obtain/maintain adequate airspeed on takeoff, which resulted in two hard landings and subsequent loss of control.NTSB IAD05LA144Accident · Serious injuriesLimited investigationFinal reportHoward Whyte Nieuport 28 · Dayton, OHA loss of engine power due to the installation of incorrect spring type terminal contacts which were accidentally supplied by the engine distributor.NTSB MIA05CA161Accident · Minor injuriesData collectionFinal reportVans RV-3 · Bell, FLThe pilot's failure to maintain visual lookout during a VFR approach toward the runway resulting in-flight collision with trees. Factors in this accident are no lights for the grass strip runway and attempting to land in low natural light visibility…NTSB CHI05FA272Accident · 1 fatalField investigationFinal reportMitsubishi MU-2B-36 · West Memphis, ARThe pilot's improper in-flight decision not to land at the departure runway or other available airports during the emergency descent, and his failure to maintain clearance from a vehicle and terrain. Contributing factors were a false engine fire warning…NTSB LAX05CA310Accident · Minor injuriesData collectionFinal reportClark Vans RV8 · Sonoma, CAa loss of engine power due to the failure of the master electrical power switch, which removed power to the electronic ignition.NTSB CHI05CA263Accident · Minor injuriesData collectionFinal reportKeith Avid Amphibian · Buchanan, MIThe loss of engine power for undetermined reasons and the unsuitable terrain for landing encountered by the pilot. A factor was the power lines.NTSB SEA05LA189Accident · No injuriesLimited investigationFinal reportBallhagen/Shyrock Q-2 · Kalispell, MTThe pilot/owner's improper setting of the engine's valve clearance, leading to the failure of the exhaust valves to fully close and a total loss of power while on a VFR downwind, and the pilot/owner's failure to maintain sufficient airspeed as he tried to…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 LAX05CA274Accident · No injuriesData collectionFinal reportBeech A36 · Healdsburg, CAthe pilot's failure to maintain lateral aircraft control during takeoff.NTSB CHI05LA237Accident · 1 fatalLimited investigationFinal reportKircher RV-8 · Menomonie, WIThe pilot's decision to perform an aerobatic roll during takeoff, the low altitude, and his failure to maintain clearance from the crops and terrain.NTSB DCA05MA095Accident · Minor injuriesMajor investigationFinal reportBoeing 747-200 · Aganathe flight crews' failure to verify that the number of landing gear annunciations on the second officer’s panel was consistent with the number specified in the abnormal/emergency procedures checklist, which led to a landing with the nose gear retracted.NTSB SEA05LA172Accident · 2 fatalLimited investigationFinal reportMK II Legacy Sport · Madras, ORThe pilot's failure to maintain adequate airspeed while maneuvering which resulted in an inadvertent stall/spin and subsequent collision with the ground.NTSB NYC05LA133Accident · Serious injuriesLimited investigationFinal reportPalen Nieuport 11 · Rhinebeck, NYA loss of engine power for undetermined reasons.NTSB DFW05CA210Accident · No injuriesData collectionFinal reportMcCain RV-8 · Stephenville, TXThe loss of fuel pressure and subsequent loss of engine power for undetermined reasons. A contributing factor was the lack of suitable terrain for the forced landing.NTSB SEA05WA171Accident · 2 fatalForeign investigationAinsworth Lancair 4P Turbine · Sundre, Alberta, CanadaNTSB CHI05CA209Accident · No injuriesData collectionFinal reportNational Ballooning 751-12 · Indianola, IAThe in-flight fire due to the loose fuel line connection as a result of the pilot's inadequate preflight. A factor was the power lines.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 DFW05LA187Accident · 1 fatalLimited investigationFinal reportYakovlev Yak 52 · Claremore, OKThe pilot's failure to obtain adequate airspeed while executing a low altitude aerobatic maneuver, which resulted in an aerodynamic stall while inverted. A factor was the low altitude.NTSB NYC05LA121Accident · 1 fatalLimited investigationFinal reportRatliff Hummel Bird · Pittsville, MDA loss of control for undetermined reasons, which resulted in an uncontrolled descent into terrain.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 IAD05CA098Accident · No injuriesData collectionFinal reportGrumman G164A · Williamstown, NJThe pilot's misjudgment of distance/altitude, and his failure to maintain obstacle clearance.NTSB ATL05CA130Accident · Minor injuriesData collectionFinal reportJabiru SK0007 · Aiken, SCThe loss of engine power for undetermined reasons.NTSB NYC05LA119Accident · No injuriesLimited investigationFinal reportPratt Ultravia Pelican-PL · Middlebury, VTA partial loss of engine power for undetermined reasons.NTSB SEA05LA137Accident · No injuriesLimited investigationFinal reportScheibe SF-28A Tandem-Falke · North Plains, ORThe pilot's failure to maintain airspeed during landing. Inadequate emergency procedures training and high vegetation were factors.NTSB ATL05LA121Accident · 1 fatalLimited investigationFinal reportDenmark Mini-Max · Covington, GAThe pilot's failure to maintain airspeed, which resulted in an inadvertent stall, uncontrolled descent, and subsequent collision with the ground.NTSB SEA05LA128Accident · 1 fatalLimited investigationFinal reportEllsberg One Design · Madras, ORThe pilot's failure to maintain altitude/clearance from terrain while performing aerobatics which resulted in a collision with the ground.NTSB CHI05LA158Accident · No injuriesLimited investigationFinal reportPiper PA-28-180 · Allegan, MIThe inadequate aircraft control by the PA-28-180 pilot while the airplane was stopped.NTSB ATL05LA113Accident · 1 fatalLimited investigationFinal reportMize Donald Kolb MK III X · Dickson, TNThe pilot's failure to maintain adequate obstacle clearance during climb out which resulted in the in-flight collision with a tree.NTSB LAX05LA215Accident · Minor injuriesLimited investigationFinal reportBeech BE76 · Glendale, AZthe flight instructor's decision to attempt a single engine go-around with multiple aircraft system failures, and his improper in-flight decision to pass up one airport for landing and continue the flight to the home base airport with known mechanical…NTSB CHI05CA153Accident · Minor injuriesData collectionFinal reportS C Aerostar S A YAK-52 · Columbus, NEThe mechanic's inadequate installation of fuel lines, the obstruction of fuel lines, and the fuel starvation leading to the non-mechanical loss of engine power during approach and the unsuitable terrain the pilot encountered during the forced landing.NTSB NYC05CA101Accident · No injuriesData collectionFinal reportValentin Taifun 17E · Waterbury, CTThe pilots inadvertent encounter with a downdraft, which resulted in the airplane impacting trees.NTSB DFW05CA163Accident · No injuriesData collectionFinal reportCarterCopter CarterCopter · Olney, TXThe pilot's inability to maintain control of the gyrocraft during a forced landing as a result of a loss of cyclic and collective control. Contributing factors were the sheared propeller drive pulley bolts, broken wire on the co-pilots cyclic boost control…NTSB SEA05LA118Accident · Minor injuriesLimited investigationFinal reportRash Vans RV-6A · Palouse, WALoss of engine power for undetermined reasons. Rising terrain was a factor.NTSB MIA05LA122Accident · Serious injuriesLimited investigationFinal reportHighsmith Fergy FII B · Chipley, FLThe seizing of the rear engine cylinder during takeoff-initial climb, which resulted in a collision with power lines and structural damage to the airplane during the forced landing.NTSB CHI05LA137Accident · Minor injuriesLimited investigationFinal reportMazzon Dragonfly · Garden City, KSThe student pilot's failure to maintain a proper glidepath during landing and his misjudged flare which resulted in the hard landing and subsequent failure of the nose landing gear. Factors were the aborted landing performed by the pilot and the degradation…NTSB DFW05FA152Accident · 1 fatalField investigationFinal reportBeech 76 · Conroe, TXThe pilot's failure to maintain sufficient airspeed resulting in a loss of control. Contributing factors were the high density altitude, the pilot's improper decision to secure the left engine, and his attempt to perform a single-engine go-around.NTSB NYC05LA088Accident · 1 fatalLimited investigationFinal reportKlasing Bradley BA100 · Xenia, OHA loss of engine power for undetermined reasons, and the pilot's failure to maintain aircraft control, which resulted in an inadvertent stall and uncontrolled descent into terrain.