NTSB investigations: Amateur-built UNKNOWN ENG, 2012
58 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\") = 2012
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") = 2012
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 WPR13FA076Accident · 3 fatalField investigationFinal reportMckenzie Lancair IV-P Turbine · Lakeside, CAThe pilot’s failure to maintain airspeed while attempting a visual climb through a broken cloud layer, which resulted in a stall/spin.NTSB ERA13CA098Accident · Minor injuriesData collectionFinal reportMckay Gene RV-9A · Brunswick, GAThe pilot’s failure to maintain airplane control while landing in gusting wind conditions.NTSB CEN13LA116Accident · Serious injuriesLimited investigationFinal reportSeguine Swift II · San Antonio, TXThe pilot's failure to attain a proper pitch attitude and airspeed during initial climb, which resulted in an aerodynamic stall.NTSB CEN13LA032Accident · Minor injuriesLimited investigationFinal reportAerostar International RX8 · Albuquerque, NMThe pilot’s failure to attain the desired touchdown point because of wind conditions and surrounding obstructions, which resulted in the balloon impacting a fence during the approach to landing.NTSB CEN13FA006Accident · 4 fatalField investigationFinal reportBeech A36 · Mabank, TXThe pilot's loss of airplane control while maneuvering in instrument meteorological conditions.NTSB ERA12CA588Accident · Minor injuriesData collectionFinal reportHenrie Raymond Zenith CH 701 Stol · Ashland, MSThe pilot’s inadequate compensation for crosswind conditions during initial climb, which resulted in an impact with trees and terrain.NTSB ERA12LA586Accident · No injuriesLimited investigationFinal reportStewart Mw/Stewart JD Sonerai 2L · Titusville, FLThe pilot's failure to attain the proper landing approach speed and touchdown point, which resulted in a runway excursion after touchdown and collision with a ditch.NTSB CEN12LA668Accident · No injuriesLimited investigationFinal reportThompson RV-6 · Pagosa Springs, COThe pilot’s failure to maintain directional control of the airplane during the landing roll. Contributing to the accident was the pilot’s lack of landing experience at high density altitudes.NTSB WPR12CA427Accident · No injuriesData collectionFinal reportBoeing A75N1(PT17) · Lincoln, CAThe pilot's failure to maintain directional control during the landing roll, which resulted in a ground loop.NTSB ERA12FA565Accident · 2 fatalField investigationFinal reportYakovlev YAK 52 · Brownsboro, ALThe pilot's loss of control while performing a low-level aerobatic maneuver, which resulted in collision with terrain.NTSB CEN12LA636Accident · 1 fatalLimited investigationFinal reportJDT Mini-Max 1500R · Cameron, MOThe pilot's failure to maintain adequate airspeed during initial climb, which resulted in an aerodynamic stall and spin at a low altitude.NTSB ERA12CA551Accident · Minor injuriesData collectionFinal reportHolloman L B/Holloman E M Sonex · Chapmansboro, TNThe pilot’s failure to maintain directional control during the takeoff initial climb.NTSB ERA12CA547Accident · Minor injuriesData collectionFinal reportCostruzioni Aeronautiche Tecna P92 Tail Dragger · Elizabethtown, KYThe pilot’s failure to maintain directional control of the tailwheel-equipped airplane during a takeoff in gusty crosswind conditions. Contributing to the accident was the pilot's decision to take off in gusty wind conditions associated with approaching…NTSB CEN12IA592Incident · No injuriesIncident investigationFinal reportBritish Aerospace BAE Jetstream 3101 · Kansas City, MOThe flight crew’s failure to ensure that the cargo door was properly fastened before departure.NTSB CEN12CA588Accident · Minor injuriesData collectionFinal reportTrick Trikes Stss · Wanamingo, MNThe pilot's failure to maintain adequate airspeed while maneuvering at low altitude, which resulted in an aerodynamic stall.NTSB ERA12CA533Accident · Minor injuriesData collectionFinal reportStearman M-2 · Robbinsville, NJThe pilot's failure to maintain directional control during the landing roll.NTSB CEN12LA566Accident · Serious injuriesLimited investigationFinal reportThorp T-18 · Gilmer, TXThe disconnected metering unit fuel line, which resulted in a loss of engine power.NTSB WPR12CA358Accident · Serious injuriesData collectionFinal reportBoughner R 80 Tiger Moth · Ramona, CAThe pilot’s improper fuel management, which resulted in a loss of engine power due to fuel starvation.NTSB CEN12LA626Accident · No injuriesLimited investigationFinal reportIson Eros · Schoolcraft, MIThe operation of an airplane by a non-certificated pilot and his failure to maintain airplane control during the initial climb, which resulted in an uncontrolled decent.NTSB CEN12LA637Accident · No injuriesLimited investigationFinal reportSackman Sackman Special · Ste. Genevieve, MOThe loss of engine power during a low level maneuver due to oil starvation for reasons that could not be determined during postaccident examination.NTSB CEN12LA530Accident · Serious injuriesLimited investigationFinal reportWilliams John T-51 Mustang · Oshkosh, WIThe separation of an engine cooling hose from the radiator.NTSB WPR12CA344Accident · No injuriesData collectionFinal reportRotorway Exec · Colville, WAThe pilot's lack of experience in the helicopter, which resulted in his failure to maintain ground clearance during the taxi hover, followed by inadvertent ground contact and rollover.NTSB CEN12CA597Accident · No injuriesData collectionFinal reportBordelon Bruce Kitfox IV · Castlerock, MNPropeller system failure during a go-around maneuver resulting in a forced landing. Contributing to the severity of damage to the airplane was the postimpact fire.NTSB CEN12CA482Accident · No injuriesData collectionFinal reportNelson Miles Sky Star Kitfox · Weatherford, TXThe pilot's failure to maintain directional control during the landing flare. Contributing to the accident was the pilot’s delay in aborting the landing.NTSB WPR12CA320Accident · No injuriesData collectionFinal reportPiper PA-30 · Yelm, WAThe pilot's failure to maintain an adequate airspeed on approach and his inadequate flare, which resulted in a hard landing.NTSB CEN12CA469Accident · Serious injuriesData collectionFinal reportPurtee Kevin M Pietenpol Aircamper · Broadhead, WIThe pilot's failure to adequately remove water-contaminated fuel during the preflight inspection, which resulted in a total loss of engine power during takeoff, and his decision to initiate a turn back to the runway with insufficient airspeed, which resulted…NTSB CEN12FA462Accident · 2 fatalField investigationFinal reportNanchang China CJ-6A · Walsenburg, COThe pilot's failure to maintain airplane control while turning from base to final leg in the traffic pattern.NTSB CEN12CA442Accident · Minor injuriesData collectionFinal reportDoppelt Fredric F F. 8L Falco · Durango, COThe pilot's failure to maintain control of the airplane and the instructor's delayed remedial action.NTSB WPR12CA304Accident · No injuriesData collectionFinal reportSchempp Hirth Nimbus II · Redmond, ORA loss of aerodynamic lift that resulted in a forced landing on unsuitable terrain.NTSB CEN12LA452Accident · Minor injuriesLimited investigationFinal reportMikoyan Gurevich MIG 21MF · Minneapolis, MNThe pilot's delayed application of wheel brakes to slow the airplane down on landing and the airplane’s failed drag chute, which resulted in a runway overrun.NTSB ANC12CA070Accident · No injuriesData collectionFinal reportDehavilland DHC-2 · Cantwell, AKThe right seat passenger’s inadvertent contact with the emergency fuel shutoff valve, which resulted in fuel starvation and a total loss of engine power. Contributing to the accident was the pilot's failure to provide a thorough preflight briefing to the…NTSB CEN12CA409Accident · No injuriesData collectionFinal reportWilkinson Lorin L Hatz XB-II · Oshkosh, WIThe pilot's loss of directional control while landing with a crosswind.NTSB CEN12CA403Accident · No injuriesData collectionFinal reportAyres S2R-G10 · Minden, NEThe pilot’s failure to maintain clearance from the wake turbulence from a previous pass.NTSB WPR12CA288Accident · Minor injuriesData collectionFinal reportDg-Flugzeugbau DG-500MB · Richland, WAThe failure of the spoilers to retract because the right wing spoiler’s lower plate became jammed, which resulted in the glider not having enough lift to make it to the runway surface.NTSB ERA12LA411Accident · 1 fatalLimited investigationFinal reportUniversal Stinson 108 · Portland, MEA fatigue failure of the No. 3 piston skirt, which resulted in a total loss of engine power and the subsequent ditching in the ocean.NTSB CEN12LA389Accident · No injuriesLimited investigationFinal reportHoyle Fighter Escort Wings · Pueblo, COAn internal failure of one of the electrical system’s two batteries combined with the inadequate electrical system design, which resulted in a total loss of engine power.NTSB CEN12LA374Accident · No injuriesLimited investigationFinal reportYakovlev Yak-52 · Loveland, COThe pilot’s inadvertent closure of the pneumatic system valve, which resulted in the nose landing gear not fully extending before landing. Contributing to the accident was the pilot's reliance on the mechanical landing gear position indicators instead of the…NTSB WPR12LA241Accident · 1 fatalLimited investigationFinal reportWestcott Prowler Jaguar · Salinas, CAThe pilot's inability to maintain airplane control during takeoff due to an incapacitating cardiac event.NTSB ERA12LA373Accident · Minor injuriesLimited investigationFinal reportFaltin John R Rotorway Exec 162F · Smoketown, PAA loss of control during a post-maintenance test flight due to improper tracking of the helicopter’s main rotor blades by the pilot/aircraft builder.NTSB WPR12LA218Accident · 1 fatalLimited investigationFinal reportAvia Stroitel AC-5M · Kingston, NVThe pilot's failure to maintain control of the glider while maneuvering in flight.NTSB DCA12FA076Accident · 1 fatalField investigationFinal reportHawker Hawker Hunter MK.58A · Point Mugu, CAthe pilot's decision to continue the flight with a known fuel imbalance condition that resulted in a loss of lateral control when the imbalance exceeded the known capabilities of the airplane. The fuel imbalance was due to incomplete refueling and an…NTSB CEN12LA335Accident · No injuriesLimited investigationFinal reportShort Bros Shorts SD3-60 · Houston, TXThe pilots’ improper decision to burn fuel during the taxi by operating the engines at a higher-than-normal power setting and using the wheel brakes to control taxi speed, which resulted in a wheel fire.NTSB WPR12LA205Accident · Serious injuriesLimited investigationFinal reportInfinity 2000 · Hurricane, UTThe pilot's decision to fly at a low altitude in a canyon, which resulted in insufficient altitude to recover from an encounter with terrain-induced turbulence.NTSB CEN12FA290Accident · 4 fatalField investigationFinal reportCessna 401 · Chanute, KSThe malfunction of the cabin heater, which resulted in an inflight fire and smoke in the airplane. Contributing to the accident was the pilot’s lack of understanding concerning the status of the airplane's heater system following and earlier overheat event…NTSB ERA12FA326Accident · 1 fatalField investigationFinal reportGutierrez Pablino Hummel Bird · DeFuniak Springs, FLThe pilot's failure to maintain airplane control due to the airplane’s exceedence of its maximum gross weight and center of gravity’s most rearward limit and his lack of familiarity with the airplane make and model, which resulted in an aerodynamic stall and…NTSB WPR12CA234Accident · No injuriesData collectionFinal reportMurphy Rebel · Hayden Lake, IDThe pilots’ failure to position the landing gear for landing on the water, which resulted in a nose-over.NTSB CEN12CA263Accident · No injuriesData collectionFinal reportCampbell David Legacy · Durango, COThe pilot’s improper flare and subsequent aerodynamic stall, which resulted in a hard landing.NTSB CEN12LA260Accident · No injuriesLimited investigationFinal reportThrush S2R-H80 · Bryan, TXThe pilot's diverted attention, which resulted in a loss of control while maneuvering the airplane at a low altitude.NTSB CEN12LA259Accident · No injuriesLimited investigationFinal reportMoody-Siple A · Stuttgart, ARThe pilot’s inadequate fuel monitoring, which resulted in a total loss of engine power due to fuel exhaustion.NTSB ANC12CA032Accident · No injuriesData collectionFinal reportRobinson Helicopter R22 Alpha · Palmer, AKThe pilot's selection of unsuitable terrain for landing, which resulted in a tailrotor strike.