NTSB investigations: Amateur-built UNKNOWN ENG, 2013
43 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\") = 2013
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") = 2013
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 ERA14MA060Accident · 2 fatalMajor investigationFinal reportFairchild SA227-AC · La Alianza, PRThe flight crew's excessive elevator input during a rapid descent under night lighting conditions, which resulted in the overstress and breakup of the airplane. Contributing to the accident was an initial loss of airplane control for reasons that could not be…NTSB CEN14LA056Accident · 1 fatalLimited investigationFinal reportPearson Jon M Dragonfly · Anahuac, TXThe incorrect installation by the pilot, who was not a certificated mechanic or repairman, of the main rotor head bearing block, which resulted in the in-flight separation of the rotor head.NTSB CEN14FA046Accident · 1 fatalField investigationFinal reportMitsubishi MU 2B-25 · Owasso, OKThe pilot's loss of airplane control during a known one-engine-inoperative condition. The reasons for the loss of control and engine shutdown could not be determined because the airplane was not equipped with a crash-resistant recorder and postaccident…NTSB WPR14LA040Accident · Serious injuriesLimited investigationFinal reportMikoyan Gurevich MIG 21 UM · Reno, NVThe loss of brake control due to the fracture of the front brake pawl engagement spring, which resulted in a runway overrun.NTSB WPR14CA039Accident · No injuriesData collectionFinal reportYuneec Yuneec · Upland, CAThe pilot's improper flare, which resulted in a loss of aircraft control and hard landing.NTSB ERA14LA034Accident · Minor injuriesLimited investigationFinal reportTeal Harry H Sonerai II Stretch · De Leon Springs, FLA total loss of engine power for reasons that could not be determined because postaccident examination of the airframe and engine revealed no evidence of preexisting mechanical anomalies or failures that would have precluded normal operation.NTSB ERA14CA017Accident · Serious injuriesData collectionFinal reportBeech A36 · Burnsville, NCThe pilot's failure to achieve a proper touchdown point during landing, which resulted in a runway excursion.NTSB WPR14CA022Accident · No injuriesData collectionFinal reportCollins Zenith Stol CH 701 · Deer Park, WAThe pilot's inadequate flare and failure to maintain control of the airplane during the landing with a tailwind.NTSB CEN14LA021Accident · No injuriesLimited investigationFinal reportPohoski RV 4 · New Waverly, TXAn in-flight fire for reasons that could not be determined because the wreckage was consumed by fire.NTSB ERA14LA018Accident · No injuriesLimited investigationFinal reportFuller Van L Sonex · Palatine, NYA total loss of engine power for reasons that could not be determined because a test run and partial teardown of the engine did not reveal any anomalies.NTSB CEN14LA003Accident · Serious injuriesLimited investigationFinal reportKenneth M Franz Ultra PUP · Belleville, TXThe pilot’s failure to maintain adequate airspeed and his exceedance of the airplane's critical angle-of-attack while turning back to the airport instead of landing straight ahead following a partial loss of engine power, which resulted in an aerodynamic…NTSB ANC14CA001Accident · No injuriesData collectionFinal reportPiper PA 18-150 · Iliamna, AKThe pilot's failure to maintain aircraft control during the landing roll with a tailwind.NTSB WPR14CA006Accident · Minor injuriesData collectionFinal reportSiemens Rotorway Exec 162F · Nampa, IDA flight control malfunction during cruise flight for reasons that could not be determined. No follow-up examination was conducted due to a lapse in agency funding and subsequent government shutdown.NTSB WPR13FA405Accident · 2 fatalField investigationFinal reportKamtz RV-7A · Jackson Hole, WYA loss of engine power for reasons that could not be determined because postaccident examination revealed no mechanical malfunctions or failures that would have precluded normal operation. Also causal was the pilot’s failure to adequately compensate for the…NTSB WPR13FA393Accident · 1 fatalField investigationFinal reportStuart Vortex · Scappoose, ORThe student pilot's unintentional takeoff followed by his failure to maintain control of the gyroplane during the landing approach. Contributing to the accident was the student pilot’s lack of both flight training and flight experience and his lack of a solo…NTSB CEN13FA509Accident · 1 fatalField investigationFinal reportCessna 421C · Paris, ILThe pilot's failure to abort the takeoff during the ground roll after detecting the airplane's degraded performance. Contributing to the accident was the pilot's decision to attempt a flight with a known problem with the left engine and the likely partial…NTSB CEN13LA502Accident · Minor injuriesLimited investigationFinal reportAnderas Tiger Moth R80 · New Franken, WIThe loss of engine power during initial climb for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.NTSB CEN13LA488Accident · No injuriesLimited investigationFinal reportGriffith E/Boyd W E Lancair 360 · Nucla, COThe pilot’s failure to extend the airplane’s landing gear before landing.NTSB CEN13LA484Accident · No injuriesLimited investigationFinal reportRockwell International S-2R · Larchwood, IAA complete loss of engine power during an agricultural application flight for reasons that could not be determined because postaccident examinations did not reveal any anomalies that would have precluded normal operation.NTSB CEN13LA478Accident · No injuriesLimited investigationFinal reportDouglas Brian G BA-100 · Killeen, TXThe pilot’s improper management of the fuel mixture, which resulted in an over-rich fuel mixture condition and a subsequent partial loss of engine power.NTSB WPR13LA360Accident · No injuriesLimited investigationFinal reportVersteeg Helicycle · Richland, WAThe pilot’s failure to maintain helicycle control during hover due to an inadvertent control input.NTSB CEN13FA465Accident · 1 fatalField investigationFinal reportAir Tractor AT-400 · Balko, OKThe pilot's failure maintain clearance from a meteorological tower while en route at a low altitude. Contributing to the accident was the sun's glare.NTSB ERA13LA320Accident · 1 fatalLimited investigationFinal reportThompson Bruce D Sonerai II · Pulaski, TNThe pilot's failure to maintain airspeed during a near-vertical climb after takeoff, which resulted in an aerodynamic stall and subsequent collision with terrain.NTSB CEN13LA418Accident · No injuriesLimited investigationFinal reportMarino Benoist Type XIV · Duluth, MNThe pilot's failure to maintain control of the seaplane during its initial flight test. Contributing to the accident was the pilot's overall lack of flight experience in the seaplane.NTSB ERA13FA309Accident · 2 fatalField investigationFinal reportNanchang China CJ-6A · Ocean City, MDThe pilot's failure to terminate the intentional aerobatic spin at an altitude adequate to prevent impacting the water. Contributing to the accident was the pilot's loss of situational awareness due to target fixation during the prolonged aerobatic maneuver.NTSB CEN13LA383Accident · Serious injuriesLimited investigationFinal reportVink Robert D Youngster · Grand Haven, MIThe loss of engine power due to carburetor icing.NTSB CEN13LA368Accident · 2 fatalLimited investigationFinal reportNanchang China CJ-6 · Wolcott, COThe pilots decision to perform an aerobatic maneuver at a low altitude from which he was unable to recover.NTSB ERA13LA288Accident · Serious injuriesLimited investigationFinal reportHagerty RV-7A · Altoona, PAThe pilot's improper recovery from an encounter with a wind gust during landing, which resulted in a hard landing on, and displacement of, the nose landing gear and a subsequent runway excursion and noseover.NTSB CEN13LA346Accident · No injuriesLimited investigationFinal reportRogers T-51 Mustang KIT · St Francis, KSForeign debris in the propeller governor, which led to excessive wear in the governor and its subsequent in-flight failure.NTSB ERA13LA263Accident · 1 fatalLimited investigationFinal reportWilson William M Cricket MC12 · Doylestown, PAThe pilot's failure to abort the takeoff after detecting the airplane’s degraded performance. Contributing to the accident were the likely loss of power from the left engine for reasons that could not be determined during the postaccident examination of the…NTSB ERA13LA254Accident · Serious injuriesLimited investigationFinal reportFleming Eldridge E Sonex · Naples, FLThe pilot’s failure to maintain airspeed during a forced landing, which resulted in an aerodynamic stall. Contributing to the accident was a partial loss of the noncertificated engine’s power for reasons that could not be determined because examination of the…NTSB CEN13CA278Accident · No injuriesData collectionFinal reportBalloon Works Firefly 8B-15 · Anthony, KSThe pilot’s failure to monitor the balloon's altitude, which resulted in the balloon impacting an airport rotating beacon tower.NTSB CEN13LA283Accident · No injuriesLimited investigationFinal reportAir Tractor AT-302 · Winnie, TXThe improper decision by the pilot to attempt a flight with a known fuel system-related maintenance discrepancy, which resulted in a fuel imbalance and subsequent fuel starvation during an approach to an alternate airport with a rough field. Contributing to…NTSB ERA13FA219Accident · 1 fatalField investigationFinal reportDaniels Dominator · Valkaria, FLThe pilot’s failure to maintain adequate power and airspeed, which resulted in a loss of control, abrupt descent, and impact with terrain. Contributing to the accident was the pilot’s failure to obtain adequate experience in the gyroplane before making the…NTSB ERA13CA206Accident · Minor injuriesData collectionFinal reportPoole Robert C JR Van's · Salisbury, NCThe pilot's improper landing flare, which resulted in a hard landing, and his subsequent decision to exit the paved runway onto the soft terrain.NTSB CEN13LA220Accident · Minor injuriesLimited investigationFinal reportWalker Phil RV-6A · Spearfish, SDThe coil-distributor wire loosening in flight, which rendered the ignition system inoperative and subsequently caused the loss of engine power.NTSB WPR13LA147Accident · Minor injuriesLimited investigationFinal reportFranklin Glasair II · Spanish Fork, UTA loss of engine power due to fuel starvation, which likely resulted from air being introduced into the fuel system through the worn shaft of an electric fuel boost pump.NTSB ANC13FA030Accident · 2 fatalField investigationFinal reportBeech 1900C · Aleknagik, AKThe flight crew's failure to maintain terrain clearance, which resulted in controlled flight into terrain in instrument meteorological conditions. Contributing to the accident were the flight crew's failure to correctly read back and interpret clearance…NTSB CEN13LA186Accident · 1 fatalLimited investigationFinal reportFisher Michael E Celebrity · Terrell, TXThe pilot’s exceedance of the airplane’s design stress limits while performing aerobatic maneuvers.NTSB WPR13LA134Accident · No injuriesLimited investigationFinal reportBlumer Challenger II Spec · Peoria, AZA cracked cooling fan housing, which led to a malfunction of the ignition system and a loss of engine power during the landing approach.NTSB ERA13LA126Accident · No injuriesLimited investigationFinal reportMccowan Steve A Shttd · Montrose, GAA total loss of engine power during cruise flight due to the separation of the No. 2 piston connecting rod.NTSB WPR13LA099Accident · No injuriesLimited investigationFinal reportGoetz Helicycle · Mesa, AZThe pilot's failure to properly install and secure the wire connecting the electronic speed controller unit to the fuel controller actuator motor, which resulted in the wire’s disconnection in flight and the resultant partial loss of engine power.NTSB ERA13CA107Accident · No injuriesData collectionFinal reportBrewer James M KR2 · Bear Branch, KYThe pilot’s improper preflight planning, which resulted in a total loss of engine power due to fuel exhaustion. Contributing to the fuel exhaustion was the pilot’s lack of knowledge about the airplane’s total fuel capacity and fuel quantity instrumentation.