NTSB investigations: Amateur-built UNKNOWN ENG, 2001

45 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

19642026
NTSB investigations: Amateur-built UNKNOWN ENG, 2001 per year, 1964–2026: 2,047 cases
196411
196512
196620
196716
19687
196911
197014
197116
197210
197312
197417
197513
197620
197719
197825
197918
198020
198119
198229
198321
198426
198522
198627
198731
198829
198915
199028
199120
199222
199327
199426
199531
199630
199722
199830
199934
200049
200145
200264
200367
200458
200570
200659
200774
200863
200962
201062
201144
201258
201343
201446
201540
201639
201743
201834
201940
202028
202136
202241
202341
202434
202532
202625

Latest 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\") = 2001
    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.

NTSB LAX02LA043Accident · 1 fatalLimited investigationFinal reportRominger Zic Zac Bird · Marina, CAthe failure the right wing spar and the subsequent separation of the right wing. Contributing factors were the pilot's inadequate maintenance, and the weakened wing structure due to a preexisting fuel tank leak.Dec 9, 2001 · N204ED · DestroyedNTSB ATL02LA016Accident · Minor injuriesLimited investigationFinal reportWhitty, Philip J. Mustang II · Hampstead, NCA loss of engine power for undetermined reasons, which resulted in a forced landing and subsequent nose over during landing roll. A factor was the soft, unsuitable terrain.Dec 4, 2001 · N888PW · Substantial damageNTSB DEN02LA010Accident · Minor injuriesLimited investigationFinal reportAgusta A119 · Ogden, UTimproper rigging of the rotary variable differential transformer by the manufacturer, resulting in incorrect fuel scheduling to the fuel control unit.Nov 9, 2001 · N119RX · DestroyedNTSB NYC01LA231Accident · No injuriesLimited investigationFinal reportLet 33 · Bardstown, KYThe pilot's improper flare, which resulted in a nose-first, hard touchdown.Sep 30, 2001 · N3301L · Substantial damageNTSB FTW01LA212Accident · No injuriesLimited investigationFinal reportBeech 70 · College Station, TXthe loss of right engine power during takeoff initial climb for undetermined reasons. A contributing factor was the lack of suitable terrain for the forced landing.Sep 30, 2001 · N45BD · Substantial damageNTSB IAD01LA108Accident · No injuriesLimited investigationFinal reportVon Claparede Clemen Preceptor-Ultra · Dublin, VAThe pilot's failure to maintain sufficient altitude/clearance, which resulted in the airplane's collision with terrain. A factor was the downdraft.Sep 29, 2001 · N66VC · Substantial damageNTSB CHI01LA332Accident · Serious injuriesLimited investigationFinal reportAviaStrottel AC 4C · Marshfield, MIThe pilot's decision to release from the tow plane during the takeoff. A factor associated with the accident was the pilot's vision was restricted by his hat during the takeoff.Sep 29, 2001 · N68PR · Minor damageNTSB ANC01LA150Accident · No injuriesLimited investigationFinal reportSlepcev Storch SS-MK4 · Anchorage, AKThe pilot's failure to maintain directional control and an inadvertent ground loop/swerve during the landing roll.Sep 28, 2001 · N69UP · Substantial damageNTSB DEN01LA164Accident · No injuriesLimited investigationFinal reportCessna 172RG · Englewood, COthe failure of the dual student to verify that the landing gear was down and locked, and the failure of the flight instructor to adequately supervise the dual student.Sep 27, 2001 · N9320D · Substantial damageNTSB ANC01LA146Accident · Minor injuriesLimited investigationFinal reportDouglas DC-6B · Nuiqsut, AKThe flightcrew's continued use of an unstabilized GPS approach. Factors associated with the accident were low ceilings, and the inadequate coordination between the crew.Sep 26, 2001 · N867TA · Substantial damageNTSB NYC01LA230Accident · No injuriesLimited investigationFinal reportCarver RAF 2000 GTX SE · Barre, VTThe pilot's failure to maintain aircraft control during the takeoff. A factor in this accident were wind gusts.Sep 22, 2001 · N90407 · Substantial damageNTSB NYC01LA224Accident · 1 fatalLimited investigationFinal reportYakovlev YAK-52 · Washington, CTThe pilot's failure to maintain aircraft control. Factors in the accident were the dark night, reduced visibility, and the pilot's decision to conduct VFR operations at night in adverse weather conditions.Sep 11, 2001 · N1189N · DestroyedNTSB CHI01LA313Accident · Serious injuriesLimited investigationFinal reportGelasi Aircamper · Bloomfield, WIAircraft control not possible due to the inadvertent control interference by the front seat passenger. Factors to the accident were the restricted control stick movement and the encountered stall.Sep 3, 2001 · N7172B · Substantial damageNTSB NYC01LA221Accident · No injuriesLimited investigationFinal reportde Havilland DHC-94 Moth Minor · Farmington, PAThe in-flight separation of a propeller blade, which resulted in a forced landing to unsuitable terrain. A factor related to the accident was the plowed field.Sep 2, 2001 · N9403 · Substantial damageNTSB LAX01LA294Accident · 1 fatalLimited investigationFinal reportHarter Kitfox Classic · Sedona, AZThe failure of the pilot to initiate a course reversal in a timely manner after flying into a box canyon and his failure to maintain airspeed during the attempted course reversal, which resulted in a stall spin.Aug 29, 2001 · N46MH · DestroyedNTSB SEA01LA160Accident · Serious injuriesLimited investigationFinal reportShank Kitfox Model II · Battle Ground, WAThe pilot's failure to maintain adequate airspeed during climbout.Aug 28, 2001 · N2136F · DestroyedNTSB FTW01IA183Incident · No injuriesIncident investigationFinal reportBoeing 737-347 · DFW Airport, TXThe local controller clearing the taxiing aircraft to cross the runway in front of the aircraft on takeoff roll. Contributing factors were the local controller's failure to follow FAA procedures and directives to visually scan the runway prior to issuing the…Aug 16, 2001 · N308WA · 2 aircraft · Minor damageNTSB FTW01LA179Accident · 1 fatalLimited investigationFinal reportPdps PZL-Bielsko SZD-55-1 · Uvalde, TXthe pilot's failure to maintain aircraft control during the base turn, which resulted in an inadvertant stall/spin.Aug 12, 2001 · N55VW · DestroyedNTSB FTW01LA196Accident · Minor injuriesLimited investigationFinal reportWSK PZL Mielec M-18 · Dumas, ARThe loss of engine power for undetermined reasons. A factor was the lack of suitable terrain for a forced landing.Aug 7, 2001 · N4206B · Substantial damageNTSB IAD01LA091Accident · Serious injuriesLimited investigationFinal reportDelbridge Rotorway Exec 162F · Carrollton, VApilot's inadequate fuel consumption calculations, which resulted in a loss of engine power due to fuel exhaustion.Aug 4, 2001 · N113RD · Substantial damageNTSB IAD01LA087Accident · Serious injuriesLimited investigationFinal reportCharles Lancair 320 · Charleston, NYThe pilot's failure to maintain control of the airplane while maneuvering, which resulted in a collision with trees.Jul 27, 2001 · N92SB · Substantial damageNTSB NYC01LA184Accident · No injuriesLimited investigationFinal reportPohl Lancair IV-P · Fryeburg, MEA partial blockage of the air intake system, due to the pilot's failure to ensure the engine compartment was clear of paper towels after a maintenance inspection.Jul 23, 2001 · N488SD · Substantial damageNTSB LAX01LA244Accident · 1 fatalLimited investigationFinal reportLevitsky BD-5T · Cameron Park, CAan in-flight collision with terrain for undetermined reasons.Jul 14, 2001 · N104BD · DestroyedNTSB ATL01LA078Accident · No injuriesLimited investigationFinal reportMcDonnell Douglas DC-3 · Titusville, FLThe pilot's failure to maintain directional control during a bounced landing, resulting in a ground loop and subesequent collision with the runway.Jul 9, 2001 · N3239T · Substantial damageNTSB SEA01LA126Accident · No injuriesLimited investigationFinal reportMaule M-5-210C · Big Creek, IDThe pilot's failure to adequately compensate for the wind conditions during the landing roll. High and gusting winds were factors.Jul 6, 2001 · N349X · Substantial damageNTSB DEN01LA121Accident · No injuriesLimited investigationFinal reportGriffith-Boyd Lancair 360 · La Junta, COa wheels-up landing due to an uncommanded gear retraction resulting from a short circuit of the landing gear electrical wiring.Jul 6, 2001 · N15EG · Substantial damageNTSB NYC01FA158Accident · 1 fatalField investigationFinal reportMoravan Zlin 526F · Queen Anne, MDThe pilot's failure to maintain airspeed during an aerobatic maneuver, which resulted in an inadvertent inverted spin.Jul 2, 2001 · N526GC · DestroyedNTSB CHI01LA171Accident · No injuriesLimited investigationFinal reportLarson Murphy Rebel · Stratford, WIThe pilot's failure to abort the takeoff from the farm field. Factors were the tall grass, the rising terrain, the fence, and the inadequate planning/decision by the pilot.Jun 17, 2001 · N622GL · Substantial damageNTSB MIA01LA164Accident · 1 fatalLimited investigationFinal reportBroyles P51 · Conestee, SCPartial loss of engine power due to an engine cylinder experiencing detonation resulting in a forced landing to none suitable terrain.Jun 16, 2001 · N251RB · DestroyedNTSB IAD01LA067Accident · No injuriesLimited investigationFinal reportde Havilland DH-82 Tiger Moth · Allamuchy, NJThe loss of engine power over unsuitable terrain due to an exhaust valve stuck in the open position.Jun 16, 2001 · N4797 · Substantial damageNTSB IAD01LA069Accident · Serious injuriesLimited investigationFinal reportBucker Jungmann C.A.S.A. 1.131 · Plymouth, MAThe pilot's failure to maintain altitude during an approach and inadequate visual lookout, which resulted in a collision with a runway sign.Jun 15, 2001 · N131HH · Substantial damageNTSB SEA01LA116Accident · 2 fatalLimited investigationFinal reportYakovlev YAK 52 · Custer, WAThe first pilot's failure to maintain aircraft control while maneuvering. Factors include an inadvertent stall.Jun 10, 2001 · N52BG · DestroyedNTSB NYC01LA143Accident · No injuriesLimited investigationFinal reportYakovlev 52 · Fredericksburg, VAThe pilot's failure to obtain the proper touchdown point, which resulted in an overrun.Jun 10, 2001 · N114YK · Substantial damageNTSB CHI01LA155Accident · Serious injuriesLimited investigationFinal reportTorno Micro Mong · Petersburg, MIAircraft control not being maintained by the pilot during the forced landing. Factors to the accident were the loss of engine power, the overtemperature of the piston, the hole in the top of the number-one piston, and the encountered stall.Jun 8, 2001 · N426RT · Substantial damageNTSB CHI01LA152Accident · No injuriesLimited investigationFinal reportAllen Rotorway 162F · Jerseyville, ILthe improper autorotation by the pilot. Contributing factors were the engine failure for undetermined reason(s) and the muddy terrain.Jun 3, 2001 · N242KA · Substantial damageNTSB FTW01LA120Accident · No injuriesLimited investigationFinal reportKirchner Pietenpol Aircamper · Tulsa, OKthe pilot's inadequate flare during the forced landing, which resulted in a hard landing. A contributing factor was the engine overheating due a stuck oil cooler thermostat valve, which resulted in a loss of power.May 17, 2001 · N25157 · Substantial damageNTSB LAX01LA165Accident · Serious injuriesLimited investigationFinal reportDe Havilland Tiger Moth DH 82A · Sonoma, CAFailure of the pilot to properly flush out the fuel system after the header tank became submerged in water, which precipitated a loss of engine power and forced landing in a soft open dirt area.May 5, 2001 · N838KC · Substantial damageNTSB FTW01LA108Accident · No injuriesLimited investigationFinal reportCartercopters Cartercopter · Olney, TXthe pilot's failure to maintain directional control during the takeoff initial climb. Contributory factors were the pilot's lack of experience with the aircraft and the soft terrain.Apr 29, 2001 · N121CC · Substantial damageNTSB FTW01LA086Accident · No injuriesLimited investigationFinal reportCartercopters Cartercopter · Olney, TXthe pilot's failure to maintain rotor rpm, which resuted in the main rotor contacting the tail during landing.Mar 25, 2001 · N121CC · Substantial damageNTSB NYC01LA087Accident · Minor injuriesLimited investigationFinal reportRobinson R-22 · Islip, NYThe certified flight instructor’s inadequate supervision and delayed remedial action, which resulted in a roll-over. Factors in this accident were the crosswind condition and soft landing area.Mar 10, 2001 · N9077F · Substantial damageNTSB SEA01LA053Accident · No injuriesLimited investigationFinal reportGibbs V-6 Stol · Newberg, ORthe pilot's mismanagement of his available fuel, the fuel starvation of the engine, and the pilot's excessive rate of descent during the touchdown portion of a power-off forced landing.Feb 25, 2001 · N230VG · Substantial damageNTSB ATL01LA031Accident · Serious injuriesLimited investigationFinal reportSorrell SNS-2 Guppy · Raymond, MSThe failure of the rudder horn bracket, that resulted in the inflight loss of control.Feb 6, 2001 · N6334F · DestroyedNTSB ATL01LA030Accident · No injuriesLimited investigationFinal reportLearjet 25B · Ft. Pierce, FLThe mechanic's failure to properly install and secure the left main landing gear aft trunnion pin in accordance with procedures.Feb 4, 2001 · N48WA · Substantial damageNTSB FTW01LA055Accident · No injuriesLimited investigationFinal reportSchmidt Questair Venture · Fort Worth, TXThe pilot's failure to maintain directional control during the landing roll. Factors were the crosswind and soft terrain condition.Jan 30, 2001 · N425V · Substantial damageNTSB LAX01FA071Accident · Minor injuriesField investigationFinal reportWorldwide Aeros 40B · Oakland, CAOne or both of the rear ballonet air relief valves remained in an open position for undetermined reasons, which caused an out-of-balance trim condition; also causal was the flight crew’s decision to the fly the airship with a known deficiency (the inoperative…Jan 9, 2001 · N819AC · Substantial damage