NTSB investigations: Amateur-built UNKNOWN ENG
2,048 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 CHI03LA230Accident · No injuriesLimited investigationFinal reportMurch Rotec Rally 3 · Searcy, ARThe frayed rudder cable that failed during the turn to final. A factor was the ditch the airplane encountered during the forced landing.NTSB SEA03CA144Accident · Minor injuriesData collectionFinal reportWSK PZL Mielec PZL-M-18 · Burley, IDThe pilot's failure to remove the elevator gust lock prior to flight. Factors include the pilot's inadequate preflight.NTSB CHI03LA214Accident · No injuriesLimited investigationFinal reportAyres S2R-G10 · Staples, MNThe fatigue fracture of the oil jet flange resulting in a total engine failure during the aerial application.NTSB CHI03IA207Incident · No injuriesIncident investigationFinal reportSpiker Rotorway 162F · Creve Coeur, MOThe inadvertent dynamic rollover of the helicopter after the helicopter became airborne during an engine run-up.NTSB DEN03LA129Accident · Minor injuriesLimited investigationFinal reportDavis Zenair Stol 701 · Aurora, COthe pilot's failure to attain adequate airspeed and establish a climb resulting in a stall/mush and collision with the ground. Contributing factors were his premature turn onto the downwind leg, and the plowed/furrowed terrain.NTSB DEN03FA125Accident · 2 fatalField investigationFinal reportCASA 2.111 · Cheyenne, WYA loss of engine power for reasons undetermined, and the pilot's failure to maintain aircraft control. Contributing factors were the unsuitable terrain on which to make a forced landing, low airspeed, the fence, automobile, and the school bus wash barn.NTSB CHI03LA195Accident · No injuriesLimited investigationFinal reportRuminski Ultra Pup · Richmond, INThe pilot failed to maintain directional control and the airplane ground looped.NTSB SEA03LA202Accident · No injuriesLimited investigationFinal reportNorth American P-51D · Jerome, IDThe malfunction of the cooling system pressure relief valve and the pilot's failure to follow procedures. An engine over temperature, a coolant leak as a result of a relief valve failure, an obstructed windshield which was covered with coolant fluid, and an…NTSB MIA03LA138Accident · No injuriesLimited investigationFinal reportWSK PZL Mielec M-18A · Belle Glade, FLThe inability of the pilot to maintain directional control of the airplane following a blown right main landing gear tire during the takeoff roll, resulting in the airplane rolling into soft terrain and subsequent nose over. A factor in the accident was the…NTSB SEA03LA118Accident · 1 fatalLimited investigationFinal reportHerrin Hornet · Newberg, ORAircraft control not maintained while maneuvering for landing.NTSB SEA03FA110Accident · 1 fatalField investigationFinal reportHarshbarger W/Reed RV-8 · Grants Pass, ORCorrosion and contamination within the fuel servo unit and the pilot's delayed turn back to the runway. Contributing factors were trees and the pilot's impairment due to prescription medication.NTSB LAX03FA206Accident · 1 fatalField investigationFinal reportSchleicher ASW-27B · Valyermo, CAThe pilot's failure to maintain adequate terrain clearance altitude and his delayed remedial action by not turning away from the ridge when a lack of lift became apparent..NTSB ATL03LA108Accident · Minor injuriesLimited investigationFinal reportPiper PA-32-300 · Fort Mill, SCThe pilot's mismanagement of the fuel supply, which resulted in fuel starvation and the subsequent loss of engine power.NTSB ATL03LA106Accident · No injuriesLimited investigationFinal reportPolstra Zodiac CH 601 HDS · Thomson, GAThe total loss of engine power due to the fatigue fracture of the No. 3 cylinder intake valve, which resulted in a forced landing to rough terrain and subsequent collision with small trees and a tree stump.NTSB CHI03LA162Accident · No injuriesLimited investigationFinal reportNew Standard D-25 · West Bend, WIThe pilot's excessive braking during landing roll. Contributing factors to this accident were the pilot's lack of experience in the accident airplane.NTSB MIA03FA122Accident · 2 fatalField investigationFinal reportPiper PA-32R-301 · Carthage, MSThe failure of the non-instrument rated pilot to following the in-flight weather avoidance assistance instructions offered by the controller and his continued flight into known adverse weather condition (thunderstorm), resulting in overload failure of the…NTSB ATL03CA105Accident · Minor injuriesData collectionFinal reportAyers RV-6A · St. Simons Isld, GAThe pilot's inadequate preflight inspection that resulted in his failure to remove the seatbelt (flight control gust lock) from the right side flight control stick.NTSB CHI03LA155Accident · No injuriesLimited investigationFinal reportSesin EXEC90 · Searcy, ARThe unqualified maintenance performed by the pilot and the inadequate autorotation by the pilot. A factor contributing to this accident was the overtemperature of the engine cooling system.NTSB LAX03LA173Accident · 1 fatalLimited investigationFinal reportAero Vodochody L-39 · Tracy, CAthe pilot's failure to maintain adequate terrain clearance while performing low level aerobatics.NTSB LAX03LA165Accident · No injuriesLimited investigationFinal reportPZL-Bielsko SZD-50-3 · Minden, NVThe flight instructor's failure to adequately supervise the student, which resulted in the improper deployment of the spoilers by the student. A factor was the high vegetation on the landing surface.NTSB NYC03LA111Accident · Serious injuriesLimited investigationFinal reportVirginia Wright Model B · Midland, VAThe pilot's failure to maintain aircraft control.NTSB SEA03LA080Accident · No injuriesLimited investigationFinal reportAllen SA-300 · Yakima, WADirectional control was not maintained during the landing roll. A steering spring disconnected as a result of a tailwheel shimmy was a factor.NTSB FTW03LA139Accident · Minor injuriesLimited investigationFinal reportHackney Vans RV-6A · Canton, TXThe pilot's failure to maintain directional control during the landing flare/touchdown. A contributing factor was the soft terrain.NTSB FTW03LA125Accident · No injuriesLimited investigationFinal reportCarterCopter Prototype · Olney, TXThe pilot's failure to extend the landing gear. A factor was his diverted attention.NTSB CHI03FA099Accident · Serious injuriesField investigationFinal reportDassault DA-20C · St Louis, MOThe pilot in command's improper in-flight decision not to divert to an alternate destination resulting in the exhaustion of the airplane's fuel supply, and his failure to relay his low fuel state to air traffic control in a timely manner.NTSB FTW03LA115Accident · No injuriesLimited investigationFinal reportCessna FA150K · Houston, TXThe in-flight separation of the elevator trim tab.NTSB MIA03LA080Accident · Serious injuriesLimited investigationFinal reportDitommasso-Keminski Great Lakes 2T-1A · Daytona Beach, FLThe pilot's improper preflight planning/decision to perform a second flight with known deficiencies in equipment, and his failure to maintain airspeed above the airplane's stall speed while maneuvering to reverse direction to land, after the engine…NTSB MIA03LA079Accident · 1 fatalLimited investigationFinal reportTechno Avia SP-95 · Panama City, FLThe pilot's attempted abrupt maneuver at a low altitude resulting in loss of control and collision with terrain before control could be regained.NTSB CHI03LA083Accident · No injuriesLimited investigationFinal reportNabole Steen Skybolt · Chanute, KSThe partial loss of engine power during takeoff-initial climb for undetermined reasons. The pilot's improper decision and unsuitable terrain are contributing factors.NTSB LAX03FA102Accident · 2 fatalField investigationFinal reportMitchell CH-801 · Nicholas, CAan in-flight structural failure due to the pilot exceeding the design limitations of the airplane. Drug impairment was a factor.NTSB LAX03LA092Accident · 1 fatalLimited investigationFinal reportEverett BD-10 · Dana Point, CAin-flight breakup of the experimental airplane for undetermined reasons.NTSB IAD03LA033Accident · Serious injuriesLimited investigationFinal reportRotorway Exec 162F · Westford, MAThe inflight loss of control due to the loss of tail rotor effectiveness.NTSB SEA03LA039Accident · No injuriesLimited investigationFinal reportKesterson Nieuport 11 · Independence, ORAircraft control not maintained during takeoff. Factors include soft/muddy terrain.NTSB MIA03FA046Accident · 4 fatalField investigationFinal reportCessna M337B (O-2A) · Fernandina Bch, FLThe pilot's failure to maintain airspeed while maneuvering at low altitude, which resulted in an inadvertent stall and subsequent collision with the ocean.NTSB MIA03LA047Accident · Minor injuriesLimited investigationFinal reportFairchild Hiller FH-1100 · Fort Myers, FLThe pilot's inadequate preflight/preparation and his in-flight planning/decision which resulted in fuel exhaustion and the loss of engine power.NTSB MIA03LA045Accident · 1 fatalLimited investigationFinal reportBornhofen Twinjet 1500 · Melbourne, FLthe pilot-in-command failed to obtain sufficient altitude to clear obstacles at the approach end of the airport which resulted in an in-flight collision with trees.NTSB LAX03FA072Accident · 1 fatalField investigationFinal reportCirrus Design SR 20 · San Jose, CAThe pilot's failure to maintain the course for the published approach procedure due to his diverted attention. The distraction responsible for the pilot's diverted attention was the erroneous frequency assignment provided by ATC and the resultant task…NTSB ATL03LA037Accident · 1 fatalLimited investigationFinal reportLong 2000 · Brewton, ALThe pilot's improper use of flight controls (cyclic and collective) and failure to maintain rotor RPM while maneuvering that resulted in the separation of the tailboom assembly.NTSB DEN03FA034Accident · 2 fatalField investigationFinal reportYakovlev YAK 52 · Midway, UTThe malfunction of the elevator control as a result of a jammed elevator control bell crank, rendering control of the airplane impossible. A contributing factor was the foreign object (nut) damage.NTSB ATL03LA033Accident · Minor injuriesLimited investigationFinal reportShaw Atlantica 235FG · Melbourne, FLThe pilot's inadvertent liftoff and his failure to maintain airspeed which resulted in a stall.NTSB ATL03LA026Accident · No injuriesLimited investigationFinal reportPreceptor Ultra pup · Smithville, TNThe pilot's inadequate preflight fuel planning of fuel resulted in fuel starvation, the total loss of engine power and the subsequent forced landing.NTSB LAX03LA041Accident · Serious injuriesLimited investigationFinal reportClyde K Carrier Team 1400Z · Woodland, CAthe builder/pilot's improper modification of wing fuel caps resulting in the failure of the vent system to adequately compensate for the pressure differential between the fuel tank and the external low pressure area of the wing. This led to the partial loss…NTSB SEA03LA011Accident · Serious injuriesLimited investigationFinal reportPeterson Dragonfly · Mulino, ORFuel starvation of the engine while in cruise flight due to the owner/builder's alteration of the fuel system from that shown in the aircrafts plans. Factors include very rough terrain in the area where the pilot found it necessary to make his forced landing.NTSB LAX03LA036Accident · No injuriesLimited investigationFinal reportAsmus Exec 162F · Monterey, CAThe loss of engine power for undetermined reasons. A factor in the accident was the pilot's failure to maintain aircraft control during the forced landing.NTSB FTW03LA058Accident · No injuriesLimited investigationFinal reportRamsay Lancair IV-P · Bulverde, TXThe pilot's misjudgment of speed and distance.NTSB SEA03LA007Accident · 1 fatalLimited investigationFinal reportRiddell IV-P · Bozeman, MTThe loss of power for undetermined reason(s) and the pilot's failure to maintain the aircraft's flying speed above the power off stall speed in the landing configuration.NTSB CHI03LA012Accident · No injuriesLimited investigationFinal reportMork Kitfox III · Evansville, WIThe loss of power for undetermined reasons. A contributing factor is the unsuitable terrain.NTSB ATL03FA009Accident · 2 fatalField investigationFinal reportBeechcraft A60 · Jesup, GAThe loss of power in one engine and the loss of control for undetermined reasons.NTSB IAD03IA017Incident · No injuriesIncident investigationFinal reportCraig N. Moen RV-8 · Leesburg, VAA low-stress, high-cycle fatigue fracture of the right ignition timing rotor.NTSB LAX03LA011Accident · No injuriesLimited investigationFinal reportRotorway 162F · Tucson, AZthe failure of the secondary drive shaft.