NTSB investigations: Amateur-built UNKNOWN ENG
2,047 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, newest first
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 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 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 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.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.