NTSB investigations: Amateur-built UNKNOWN ENG, 2016
39 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\") = 2016
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") = 2016
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 ERA17LA077Accident · No injuriesLimited investigationFinal reportBeech 76 · Dunnellon, FLAn inadequate 100-hour maintenance inspection that failed to detect and correct loose nuts on a single-drive dual magneto, which led to the subsequent separation of the magneto from the engine during initial climb and the total loss of engine power.NTSB CEN17LA061Accident · Minor injuriesLimited investigationFinal reportMead RV 8A · Farmington, MOThe pilot's failure to maintain airplane control during takeoff in crosswind conditions.NTSB ANC17LA013Accident · Minor injuriesLimited investigationFinal reportRobinson Helicopter R22 · Palmer, AKThe pilot's failure to maintain main rotor revolutions per minute (RPM) during a pinnacle landing, which resulted in a main rotor stall condition, a loss of control, and a subsequent impact with terrain. A contributing factor was the flight instructor's…NTSB ERA17LA069Accident · No injuriesLimited investigationFinal reportBeech A36 · Shoreham, NYA fatigue crack of the crankshaft at the No. 4 main bearing journal.NTSB CEN17LA055Accident · Serious injuriesLimited investigationFinal reportHiller OH 23B · Tynan, TXThe student pilot's delayed and improper landing flare during a practice autorotation, which resulted in the tail rotor striking terrain.NTSB WPR17LA032Accident · Minor injuriesLimited investigationFinal reportHoskins Lonnie F Velocity XL RG · Petaluma, CAThe pilot’s failure to maintain adequate airspeed during an aborted landing, which resulted in an exceedance of the airplane’s critical angle of attack and an inadvertent aerodynamic stall. Contributing to the accident was the pilot’s distraction while on…NTSB ANC17LA008Accident · No injuriesLimited investigationFinal reportAirborne Extreme SQ-12 · Palmer, AKThe fuel injector manufacturer's inappropriate guidance to use a 5-ampere circuit breaker in place of the required 10-ampere circuit breaker on the fuel injector circuit, which resulted in the circuit breaker opening, a loss of electrical power to the…NTSB ERA17FA050Accident · 2 fatalField investigationFinal reportCurtiss JN4 · Williamson, GAThe in-flight failure of the propeller due to excessive engine vibration loads and the use of an incorrectly-sized propeller, which resulted in a fatigue crack of the leading edge strip. Contributing to the accident was the inadequate repair of the propeller…NTSB ANC17LA006Accident · Minor injuriesLimited investigationFinal reportPiper PA32R · Bethel, AKA total loss of engine power due to oil starvation, which resulted from an oil cooler leak at a fractured brazed seam.NTSB GAA17CA073Accident · No injuriesData collectionFinal reportCarter Richard L Buddy Baby Lakes · Hurricane, UTThe pilot's failure to maintain directional control during takeoff, which resulted in a runway excursion.NTSB GAA17CA034Accident · No injuriesData collectionFinal reportYakovlev YAK · Tracy, CAThe pilot’s unstabilized approach and delayed application of full throttle for a go-around, which resulted in an uncontrolled descent.NTSB ERA17FA027Accident · 1 fatalField investigationFinal reportNanchang CJ6 · Blackshear, GAThe Bama 3 pilot's failure to properly conduct an overshoot maneuver and his premature climb before he was clear of the lead airplane, Bama 1, which lead to a midair collisionNTSB ERA17CA013Accident · Serious injuriesData collectionFinal reportMickler Larry J RV6 A · Bell, FLThe pilot's inadequate compensation for gusting crosswinds, which resulted in a bounced landing and nose-over.NTSB ERA17LA007Accident · Serious injuriesLimited investigationFinal reportJames Bruton Flying Flea · Plymouth, CTA partial loss of engine power for reasons that could not be determined based on the available information.NTSB GAA17CA052Accident · No injuriesData collectionFinal reportChaudoin George S RV 10 · Portsmouth, NHThe pilot’s failure to go around after recognizing that the airplane was high and fast, which resulted in a long landing on a wet runway and a runway excursion.NTSB WPR16LA181Accident · No injuriesLimited investigationFinal reportDehavilland DH115 Vampire · Reno, NVThe in-flight failure of the canopy and subsequent loss of engine power for reasons that could not be determined because postaccident examination of the airframe and engine revealed no anomalies that would have precluded normal operation.NTSB GAA16CA489Accident · No injuriesData collectionFinal reportBurkhart Grob Flugzeugbau G109 · Emigrant Gap, CAThe pilot's inappropriate decision to continue the flight into higher elevation under high-density altitude conditions, which degraded the glider's climb performance and resulted in impact with trees short of the intended runway.NTSB CEN16FA344Accident · 2 fatalField investigationFinal reportAves Douglas James RV 6 · Viborg, SDThe pilot's failure to maintain airplane control, which resulted in the airplane exceeding its critical angle of attack, an aerodynamic stall, and subsequent flat spin into terrain.NTSB ERA16LA301Accident · Minor injuriesLimited investigationFinal reportMeans Rober C Rotorway Exec · Iron Station, NCThe pilot’s failure to maintain adequate clearance from the ground while hovering, which resulted in separation of the forward section of the right skid tube with counterweight attached, a sudden center of gravity (CG) shift outside the normal operating…NTSB CEN16FA331Accident · 2 fatalField investigationFinal reportStemme S10 VT · Telluride, COThe pilot's encounter with a downdraft that exceeded the climb performance of the powered glider and resulted in his inability to maintain clearance from the trees. Contributing to the accident was the pilot's decision to fly near building clouds and rain…NTSB WPR16FA160Accident · 1 fatalField investigationFinal reportAMS Flight Carat A · Minden, NVImpact with terrain for reasons that could not be determined based on the available information.NTSB CEN16FA307Accident · 1 fatalField investigationFinal reportWilson BUGATTI-DEMONGE 100P · Burns Flat, OKThe pilot's failure to maintain airspeed following an engine anomaly during the initial climb after takeoff, which resulted in the airplane exceeding its critical angle of attack and experiencing an aerodynamic stall. Contributing to the accident was an…NTSB CEN16LA302Accident · Serious injuriesLimited investigationFinal reportSonex Waiex · Fond du Lac, WIA partial loss of engine for reasons that could not be determined during an examination of the engine.NTSB WPR16LA149Accident · No injuriesLimited investigationFinal reportSwartz Gene Titan T 51 Mustang · Lancaster, CAA total loss of engine power due to the separation of a flywheel magnet, which impacted the attachment bracket for the primary and secondary ignition and disrupted the timing of the ignition system, rendering it inoperative.NTSB GAA16CA391Accident · No injuriesData collectionFinal reportDiamond Aircraft Ind HK 36 · Blanchester, OHThe pilot's failure to maintain directional control of the powered glider during the landing roll.NTSB ANC16LA047Accident · No injuriesLimited investigationFinal reportAeropro CZ A220 · McCarthy, AKThe pilot’s failure to maintain directional control during the takeoff roll, which resulted in a loss of control and impact with terrain. Contributing to the accident were engine power surges due to the bent carburetor throttle valve lever.NTSB WPR16LA134Accident · No injuriesLimited investigationFinal reportBell OH 58A · Brawley, CAThe engine's degraded performance due to excessive wear of the engine bleed valve, which prevented it from closing during the accident flight. Contributing to the accident was the operator's failure to overhaul the bleed valve within the…NTSB WPR16LA129Accident · No injuriesClass 3 · LimitedFinal reportBurkes BR-1 · Brigham City, UTA loss of engine power as a result of a failure of the primary and backup ignition system.NTSB GAA16CA326Accident · No injuriesData collectionFinal reportSchweizer G 164 · Cummings, NDThe pilot's failure to maintain an adequate rate of descent while landing, which resulted in a hard landing, short of the runway.NTSB GAA16CA299Accident · Minor injuriesData collectionFinal reportBareiss David A Tango 2 · Sunrise Beach Village, TXThe nosewheel fairing becoming packed with debris during landing on the soft field due to a gap between the nosewheel tire and the fairing, which resulted in a loss of control and subsequent nose-over.NTSB WPR16LA110Accident · Minor injuriesLimited investigationFinal reportSeguin Quickie · Mojave, CAA loss of engine power for reasons that could not be determined based on the available information.NTSB WPR16LA096Accident · No injuriesLimited investigationFinal reportDG Flugzeugbau DG 800B · Clements, CAThe motorglider pilot's decision to perform an in-flight engine start with insufficient altitude, which resulted in an off-airport landing and collision with trees after the engine did not start. Contributing to the accident was the pilot's distraction by the…NTSB GAA16CA201Accident · Minor injuriesData collectionFinal reportHelicycle/Morrisey RR RM-1 · Denver, COThe pilot's failure to maintain control of the helicopter yaw while operating in conditions conducive to loss of tail rotor effectiveness, resulting in an uncommanded rapid right yaw and ground impact.NTSB ERA16LA151Accident · Serious injuriesLimited investigationFinal reportGranger Michael D Sonex · Jesup, GAThe pilot's improper fuel management, which resulted in fuel exhaustion and a total loss of engine power.NTSB WPR16LA088Accident · No injuriesLimited investigationFinal reportThomas D. Parkes Lancair ES · Prescott, AZA partial loss of engine power due to an over-temperature event, which thermally damaged the blade tips of the turbocharger wheel and resulted in a slowing or stoppage in the rotation of the turbocharger.NTSB GAA16LA135Accident · No injuriesLimited investigationFinal reportPinkston Randy T RV-7 · Tavernier, FLThe pilot's misidentification of a parallel roadway for the runway and the airplane's subsequent collision with numerous objects during landing.NTSB ERA16FA097Accident · 3 fatalField investigationFinal reportBrook Aaron D Lancair IV P · Albany, GAThe pilots' failure to maintain control during a takeoff attempt in a high-performance airplane. Contributing to the accident were the pilots' decision to operate the airplane above its maximum gross weight and with an aft center of gravity and their lack of…NTSB ERA16CA102Accident · No injuriesData collectionFinal reportTucker Mitchel C H 13 · Zephyrhills, FLThe pilot's failure to maintain aircraft control while on ground standing with the engine running during high crosswind conditions which resulted in a static rollover and collision with the ground.NTSB WPR16LA050Accident · 1 fatalLimited investigationFinal reportMoore Onex · Fresno, CAThe pilot/builder's failure to properly align the Force One Main Bearing, which resulted in a blockage of the oil transfer hole and culminated with a total engine power loss. Contributing to the accident was the pilot's failure to arrest the bank and sink…