NTSB investigations: Amateur-built UNKNOWN ENG, 2021
36 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\") = 2021
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") = 2021
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 CEN22LA089Accident · Minor injuriesClass 3 · LimitedFinal reportLancair IV · Iron Mountain, MIThe total loss of engine power after takeoff for undetermined reasons.NTSB WPR22LA066Accident · Serious injuriesClass 4 · LimitedFinal reportCameron Balloons U S A-315 · Phoenix, AZThe pilot’s inability to maintain balloon control during a high wind landing, which resulted in a serious passenger injury.NTSB ERA22LA081Accident · Serious injuriesClass 4 · LimitedFinal reportGlobe GC-1B · Bennettsville, SCThe pilot’s inadequate preflight planning, resulting in a takeoff attempt from a grass parking area instead of the runway and subsequent impact with a pole.NTSB CEN22LA071Accident · Serious injuriesClass 3 · LimitedFinal reportVans RV8 · Wichita Falls, TXThe pilot’s improper fuel management that resulted in a total loss of engine power due to fuel starvation.NTSB CEN22LA063Accident · No injuriesClass 4 · LimitedFinal reportMcdonnell Douglas Helicopter 369E · St. Louis, MOThe pilot’s failure to apply power during the recovery procedure for the practice autorotation, which resulted in a hard landing.NTSB WPR22FA048Accident · 1 fatalClass 3 · FieldFinal reportZenith Zodiac CH601XL · Temecula, CAThe failure of the airplane’s canopy latch system, which resulted in the canopy opening in flight and a loss of airplane control. Contributing to the accident was the lack of a secondary canopy latch as recommended by the kit manufacturer.NTSB WPR22LA045Accident · No injuriesClass 4 · LimitedFinal reportElvin Jack R JR Rotorway Exec 162F · Scio, ORThe pilot’s improper maintenance on the tail rotor assembly, which resulted in the loss of control and roll over.NTSB WPR22LA035Accident · Minor injuriesClass 3 · LimitedFinal reportSonex Waiex B · Laveen Village, AZFailure of the rocker swivel assembly due to either wear or corrosion, which resulted in a loss of engine power.NTSB CEN22FA029Accident · 1 fatalClass 3 · FieldFinal reportVans RV · Harrison, MIThe pilot’s failure to maintain adequate airspeed and exceedance of the airplane’s critical angle of attack during landing approach, which resulted in an aerodynamic stall.NTSB ERA22LA018Accident · Serious injuriesClass 3 · LimitedFinal reportZ-Hi-Max 1400 · Benton, PAThe pilot’s loss of control and encounter with an aerodynamic stall during a planned low-altitude turn toward the airport after takeoff.NTSB WPR22LA019Accident · No injuriesClass 3 · LimitedFinal reportLancair ES · Fall Creek, ORTotal loss of engine power due to fatigue failure of the camshaft gear.NTSB WPR22LA015Accident · Serious injuriesClass 3 · LimitedFinal reportWsk-Mielec AN-2TD · Wilton, CAThe pilot’s inability to control the airplane’s pitch during departure for reasons that could not be determined because of the extensive fragmentation and thermal damage the airplane sustained in the accident sequence.NTSB WPR22LA006Accident · No injuriesClass 4 · LimitedFinal reportBevilacqua Jeffrey L Dragonfly Mkiih · Camarillo, CAThe pilot’s failure to maintain airplane control during takeoffNTSB 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 CEN21FA426Accident · 1 fatalClass 3 · FieldFinal reportRans S20 · Wadsworth, OHThe pilot’s decision to depart shortly after a landing helicopter, which resulted in an encounter with the helicopter’s wake turbulence and a loss of airplane control. Contributing to the accident was the pilot’s impairment by his recent use of ethanol.NTSB CEN21LA402Accident · No injuriesClass 3 · LimitedFinal reportMurphy Renegade II · Sheridan, ILA total loss of engine power during initial climb due to a piston seizure.NTSB CEN21LA395Accident · 1 fatalClass 3 · LimitedFinal reportKlapp Peter A Klapp KR-2S · Wadsworth, OHA loss of airplane control for a reason that could not be determined based on available information.NTSB ERA21LA337Accident · Minor injuriesClass 4 · LimitedFinal reportVans RV7 · Mount Holly, NJThe pilot’s improper recovery from a bounced landing, resulting in a touchdown on the nose gear first, resulting in damage to the nose gear and a runway excursion.NTSB ERA21LA332Accident · No injuriesClass 4 · LimitedFinal reportRotorway Exec 162 · Lindale, GAThe pilot's improper judgment of the helicopter’s height above ground during the landing flare, which resulted in a hard landing with forward airspeed and subsequent bounce and rollover.NTSB ERA21FA318Accident · 2 fatalClass 3 · FieldFinal reportPitts 12 · Ocklawaha, FLThe pilot’s failure to maintain airplane control while performing aerobatic maneuvers, which resulted in an inverted flat spin from which he was unable to recover.NTSB ERA21FA317Accident · 2 fatalClass 3 · FieldFinal reportRotorway Exec 162F · Argyle, NYThe pilot’s abrupt control inputs, which resulted in a low G condition, main rotor mast bumping, and the subsequent severing of the tail boom by a main rotor blade.NTSB CEN21LA336Accident · No injuriesClass 3 · LimitedFinal reportDriver RV-7 · Oshkosh, WIThe RV-8 pilot’s failure to account for the position of the RV-7 behind him during the landing roll in a staggered landing formation, which resulted in a ground collision of the two airplanes. Contributing to the accident was the self-induced pressure created…NTSB ERA21LA294Accident · No injuriesClass 4 · LimitedFinal reportTurbine Cubs Of Wyoming PA-18 Super CUB · Dinwiddie, VAThe pilot’s failure to maintain control while taxiing on soft ground, which resulted in a nose-over.NTSB WPR21LA276Accident · No injuriesClass 4 · LimitedFinal reportPayne Steven R RV-8 · Hillsboro, ORThe second pilot’s diverted attention while taxing which, resulted in his failure to maintain clearance from another airplane holding short of the runway.NTSB ANC21LA058Accident · No injuriesClass 4 · LimitedFinal reportMaule M-5-210C · Anchorage, AKThe pilot’s impact with a log while dragging an off-airport landing site.NTSB CEN21LA309Accident · No injuriesClass 3 · LimitedFinal reportTitan T-51D · Ashtabula, OHThe tripped engine control computer circuit breaker caused by an excessive electrical load on the system, which resulted in a complete loss of engine power during the initial climb.NTSB CEN21LA250Accident · Minor injuriesClass 4 · LimitedFinal reportVans RV9 · West Portsmouth, OHThe pilot’s improper use of the airplane’s fuel system, which resulted in a total loss of engine power due to fuel starvation.NTSB WPR21LA219Accident · Serious injuriesClass 3 · LimitedFinal reportStoddard Hamilton Glasair II · Darby, MTThe pilot’s impact with terrain during a go-around following an attempted precautionary landing due to a low oil pressure indication. The reason for the low oil pressure indication could not be determined based on the available information.NTSB ERA21LA236Accident · Minor injuriesClass 4 · LimitedFinal reportMaxson Phil Zodiac CH601XL · Winder, GAPilot’s inadequate supervision of the pilot rated passenger’s actions, which led to a high descent rate and collision with obstacles.NTSB WPR21FA210Accident · 1 fatalClass 3 · FieldFinal reportMark Coby Early Bird Jenny · Stoneville, NCThe pilot’s exceedance of the airplane’s critical angle of attack during the takeoff initial climb, which resulted in an aerodynamic stall and a loss of control.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 ERA21LA192Accident · Serious injuriesClass 3 · LimitedFinal reportMeyeres F L/Meyeres M M Skystar Ktfox Clsc 4 · Mountain Rest, SCA partial loss of engine power due to carburetor icing. Contributing to the accident was the engine’s lack of carburetor heat.NTSB WPR21LA165Accident · No injuriesClass 4 · LimitedFinal reportBryan S Happell TANGO2 · Hayden, IDThe pilot’s failure to control the pitch attitude of the gyroplane during landing, which resulted in a loss of control, runway excursion and collision with terrain.NTSB ERA21LA167Accident · No injuriesClass 4 · LimitedFinal reportAyres S2R-G6 · Vienna, GAThe pilot’s improper decision to attempt a takeoff with a quartering tailwind and his failure to reject the takeoff in a timely manner, which resulted in a runway excursion.NTSB ERA21LA138Accident · Serious injuriesClass 3 · LimitedFinal reportDassault Mirage F1 B · Panama City, FLNose landing gear contact with a raised aircraft arresting system during takeoff, which damaged components of the nose wheel steering system and resulted in an uncommanded left turn and loss of directional control.NTSB WPR21LA094Accident · Minor injuriesClass 3 · LimitedFinal reportRandy Wayne Maloney M1 · Eagle Point, ORA partial loss of engine power for reasons that could not be determined based on available evidence.