NTSB investigations: Amateur-built UNKNOWN ENG, 2006
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
| 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
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\") = 2006
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") = 2006
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 LAX07CA063Accident · No injuriesData collectionFinal reportBelcher Helicycle · Boulder City, NVa loss of engine power due to a fractured fuel line.NTSB CHI07LA037Accident · No injuriesLimited investigationFinal reportPiper PA-31T1 · Waterloo, IAThe go-around not performed and the improper flare by the pilot during landing.NTSB SEA07LA025Accident · 2 fatalLimited investigationFinal reportHolloway RV6A · North Bend, ORThe pilot's failure to maintain clearance from the water while performing low altitude maneuvering flight resulting in an in flight collision with the water.NTSB LAX07LA047Accident · 1 fatalLimited investigationFinal reportInteravia E-3 · San Pedro, CALoss of control for undetermined reasons.NTSB NYC07LA026Accident · 1 fatalLimited investigationFinal reportVogel Glastar 41 · Snow Shoe, PAThe builder's improper installation of an additional alternator. Contributing to the accident were the night lighting conditions.NTSB NYC07LA022Accident · 1 fatalLimited investigationFinal reportMonard RAF 2000 GTX · Ridgely, MDThe pilot's failure to maintain rotor rpm while maneuvering, which resulted in a loss of rotor blade rigidity.NTSB CHI07FA009Accident · 1 fatalField investigationFinal reportBeech 95-B55 · Lawrenceville, ILThe improper judgment by the pilot to conduct a flight to, and execute an approach to, an airport with weather conditions that were below the required minimums. Also causal was the pilot's continued descent below the approach minimum descent altitude.…NTSB ATL07CA009Accident · No injuriesData collectionFinal reportLawing Thomas R Exec 162-F · Aiken, SCThe pilot’s failure to adequately compensate for wind conditions during takeoff which resulted in a loss of tail rotor effectiveness and a roll over during an attempted forced landing.NTSB SEA07LA011Accident · No injuriesLimited investigationFinal reportSorensen Searey · Marysville, WAThe pilot's failure to identify an unsafe condition (strong tidal currents) prior to a water landing, which resulted in the airplane nosing over when the pilot was unable to maintain aircraft control.NTSB CHI06LA273Accident · Minor injuriesLimited investigationFinal reportDaub Pawnee Chief · McCook, NEThe failure of a welded joint at a cyclic control cable bracket located on the main rotor mast which made control of the helicopter impossible for the pilot.NTSB ANC06FA136Accident · 1 fatalField investigationFinal reportde Havilland DHC-2 · Kodiak, AKThe pilot's failure to maintain adequate airspeed while maneuvering to reverse direction, which resulted in an inadvertent stall and an uncontrolled descent. Factors associated with the accident were the inadvertent stall and wind gusts.NTSB NYC06LA224Accident · Serious injuriesLimited investigationFinal reportGarlick OH-58A · East Bridgewate, MAThe completion center's installation of the incorrect (shorter) release cable, and the ground crewmember's improper movement under the flight path during a bin transfer.NTSB CHI06CA265Accident · No injuriesData collectionFinal reportPiper PA-34-220T · Dayton, OHThe pilot's inadvertent wheels up landing.NTSB CHI06LA260Accident · No injuriesLimited investigationFinal reportEndless Skies L164 · Durand, MIThe kit builder's improper installation of the aileron bracket leading to the aileron flutter during cruise that resulted in the wing spars' failure.NTSB ANC06LA130Accident · Minor injuriesLimited investigationFinal reportMcNabb Bushmaster · Delta Junction, AKAn electrical short that disabled the electronic ignition system of the airplane's engine during the final approach phase for landing, which resulted in a forced landing and collision with high vegetation. A factor contributing to the accident was the failure…NTSB DEN06WA122Accident · No injuriesForeign investigationCessna C210P · Hoexter, GermanyNTSB 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 LAX06CA278Accident · No injuriesData collectionFinal reportGlaser Dirks DG 300 · Truckee, CAthe pilot's misjudged landing approach that led to a runway overshoot. A contributing factor was the pilot's hypoxic condition.NTSB SEA06LA167Accident · Minor injuriesLimited investigationFinal reportKinnson Lancair IV-P Turbine · Helena, MTThe total loss of engine power as a result of turbine over temperature due to the pilot's failure to follow proper procedures for engine operation. A contributing factor was the lack of suitable terrain for the ensuing forced landing.NTSB LAX06LA270Accident · No injuriesLimited investigationFinal reportBurkhart Grob Flugzeugbau G109 · Glendale, AZThe failure and separation of one propeller blade for undetermined reasons.NTSB NYC06FA205Accident · 1 fatalField investigationFinal reportScheibe SF-28A · Canandaigua, NYThe private pilot's failure to maintain adequate airspeed, which resulted in an inadvertent stall and impact with trees. Factors were the FAA inspector's delayed remedial action, and his lack of experience in the make and model motorglider.NTSB CHI06CA233Accident · No injuriesData collectionFinal reportHoyt Kolb Mark III Clsc · Lakeville, MNThe pilot's failure to maintain clearance from the crops which resulted in the subsequent impact with the ground.NTSB CHI06CA217Accident · No injuriesData collectionFinal reportVeltman CH701 · Owosso, MIThe pilot's inadequate preflight planning and inadequate compensation for the tailwind condition. Factors included the tailwind and the power lines.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 DEN06LA103Accident · 1 fatalLimited investigationFinal reportAyres S2R-G10 · Dexter, NMThe pilot's failure to remain clear of the airplane's propeller resulting in the propeller contacting the pilot and causing fatal injuries to the pilot.NTSB SEA06FA142Accident · 1 fatalField investigationFinal reportHawker Siddeley MK-58A Hunter · Hillsboro, ORLoss of aircraft control for undetermined reasons during the takeoff sequence.NTSB SEA06LA133Accident · No injuriesLimited investigationFinal reportNanchang China CJ-6 · Brewster, WAThe failure of the engine's three planetary gears for undetermined reasons. A factor contributing to the accident was the tree orchard.NTSB SEA06LA134Accident · 3 fatalLimited investigationFinal reportTaylor Royal T · Davenport, WAThe pilot's failure to maintain aircraft control while maneuvering, resulting in a collision with terrain.NTSB CHI06LA164Accident · 1 fatalLimited investigationFinal reportMiller Zenair Cricket MC-12 · Lee's Summit, MOThe pilot's failure to maintain airspeed while operating in the traffic pattern after the loss of power in one engine, resulting in an inadvertent stall/spin. An additional cause was the loss of engine power in one of the two engines for undetermined reasons.NTSB LAX06CA207Accident · Minor injuriesData collectionFinal reportRonald D. Murray RV-6A · Hesperia, CAthe pilot's inadequate in-flight planning and selection of the wrong runway, which resulted in a downwind landing, the pilot's failure to attain the proper touchdown point, and a runway overrun.NTSB CHI06LA157Accident · 1 fatalLimited investigationFinal reportGood RV-6A · Peru, ILFailure of the pilot of the second airplane in the formation to maintain clearance with the lead airplane during the overhead recovery maneuver prior to landing.NTSB CHI06CA155Accident · No injuriesData collectionFinal reportMcFarland Rotorway Exec · Mooresville, INAn in-flight fire for undetermined reasons.NTSB NYC06CA172Accident · No injuriesData collectionFinal reportRotorway 162-F · Brookhaven, NYThe student pilot inadvertently allowing the skids to contact the ground resulting in dynamic rollover.NTSB DEN06CA085Accident · No injuriesData collectionFinal reportBrent W. Brown Murphy Moose · St. Francis, KSthe pilot's failure to open the fuel selector valve, resulting in fuel starvation. Contributing factors were the pilot's failure to use a checklist, his attention being diverted, and the fence.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 DFW06CA156Accident · Minor injuriesData collectionFinal reportCampbell W/Smiley J Execytive 162F · Porter, TXThe pilot's loss of control after encountering dynamic rollover while hovering.NTSB LAX06LA185Accident · No injuriesLimited investigationFinal reportDiamond Aircraft Industries HK 36 TTC · Payson, AZpartial loss of engine power for undetermined reasons.NTSB NYC06CA118Accident · Minor injuriesData collectionFinal reportEspinal Velocity Jet 900 · Millbrook, NYThe pilot/owner's inadequate preflight which resulted in a partial loss of engine power due to a clogged fuel vent.NTSB SEA06CA102Accident · No injuriesData collectionFinal reportHughes 369A · Banks, ORThe pilot's failure to maintain rotor rpm while performing a simulated autorotation, which resulted in a hard landing. A contributing factor was the pilot's incorrect interpretation of the examiner's instruction to add power.NTSB LAX06LA166Accident · No injuriesLimited investigationFinal reportMcKenzie Lancair IV-P Turbine · San Diego, CAThe collapse of the left main gear for undetermined reasons. A factor was the pilot's inadequate remedial action in response to the left main gear not locked warning light by not attempting to manually extend the gear to ensure it was fully down and locked.NTSB LAX06CA163Accident · No injuriesData collectionFinal reportIndus T211 · Death Valley, CAthe pilot's failure to maintain an adequate airspeed during final approach, which resulted in an inadvertent stall/mush and collision with terrain.NTSB LAX06LA153Accident · 1 fatalLimited investigationFinal reportRonald R Russell RV-6 · Death Valley, CAa fuel starvation induced loss of engine power due to a likely vapor lock condition in the fuel lines.NTSB SEA06CA080Accident · No injuriesData collectionFinal reportPitrolo GL-25 · Worden, MTThe loss of engine power due to failure of both electronic ignition systems. A contributing factor was the lack of suitable terrain for the forced landing.NTSB CHI06CA116Accident · No injuriesData collectionFinal reportPalulis John Exec 162F · Kalkaska, MIThe compensation for wind conditions not performed by the pilot during hover. An additional cause was the tailwind.NTSB SEA06LA074Accident · No injuriesLimited investigationFinal reportCentral Copters Lancair IV-P · Belgrade, MTThe total loss of drive power to the aircraft's propeller while on a visual final approach, due to the decoupling of the quill shaft between the reduction gearbox and the engine power section. Factors include a dark night, no suitable terrain on which to…NTSB CHI06LA112Accident · No injuriesLimited investigationFinal reportDassault Falcon 2000 · Stilesville, INThe separation of the left engine cowling during cruise flight for undetermined reasons.NTSB NYC06LA092Accident · Minor injuriesLimited investigationFinal reportMichaud KR2S · North Andover, MAA partial loss of engine power for undetermined reasons, during the initial climb, which resulted in a forced landing into trees.NTSB DEN06LA058Accident · No injuriesLimited investigationFinal reportEldredge NXT · Glenwood, NMthe loss of engine power due to the partial failure of the crankcase nose seal for undetermined reasons. A contributing factor was the pilot's diminished visibility during the forced landing due to oil on the windscreen, resulting in a runway excursion and…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 CHI06LA088Accident · No injuriesLimited investigationFinal reportIrwin Sonex 2180 · Rockford, ILThe loss of engine power due to the restricted movement of the throttle cable during cruise flight. A factor in the accident was the trees contacted during the forced landing.