# NTSB investigations: Amateur-built UNKNOWN ENG, 2001

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

## Latest cases

- [NTSB LAX02LA043](https://openairdocs.org/ntsb/LAX02LA043.md): Rominger Zic Zac Bird · Marina, CA · Accident · 1 fatal · Limited investigation · Final report · Dec 9, 2001 · N204ED · Destroyed
  > the 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.
- [NTSB ATL02LA016](https://openairdocs.org/ntsb/ATL02LA016.md): Whitty, Philip J. Mustang II · Hampstead, NC · Accident · Minor injuries · Limited investigation · Final report · Dec 4, 2001 · N888PW · Substantial damage
  > A 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.
- [NTSB DEN02LA010](https://openairdocs.org/ntsb/DEN02LA010.md): Agusta A119 · Ogden, UT · Accident · Minor injuries · Limited investigation · Final report · Nov 9, 2001 · N119RX · Destroyed
  > improper rigging of the rotary variable differential transformer by the manufacturer, resulting in incorrect fuel scheduling to the fuel control unit.
- [NTSB NYC01LA231](https://openairdocs.org/ntsb/NYC01LA231.md): Let 33 · Bardstown, KY · Accident · No injuries · Limited investigation · Final report · Sep 30, 2001 · N3301L · Substantial damage
  > The pilot's improper flare, which resulted in a nose-first, hard touchdown.
- [NTSB FTW01LA212](https://openairdocs.org/ntsb/FTW01LA212.md): Beech 70 · College Station, TX · Accident · No injuries · Limited investigation · Final report · Sep 30, 2001 · N45BD · Substantial damage
  > the 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.
- [NTSB IAD01LA108](https://openairdocs.org/ntsb/IAD01LA108.md): Von Claparede Clemen Preceptor-Ultra · Dublin, VA · Accident · No injuries · Limited investigation · Final report · Sep 29, 2001 · N66VC · Substantial damage
  > The pilot's failure to maintain sufficient altitude/clearance, which resulted in the airplane's collision with terrain. A factor was the downdraft.
- [NTSB CHI01LA332](https://openairdocs.org/ntsb/CHI01LA332.md): AviaStrottel AC 4C · Marshfield, MI · Accident · Serious injuries · Limited investigation · Final report · Sep 29, 2001 · N68PR · Minor damage
  > The 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.
- [NTSB ANC01LA150](https://openairdocs.org/ntsb/ANC01LA150.md): Slepcev Storch SS-MK4 · Anchorage, AK · Accident · No injuries · Limited investigation · Final report · Sep 28, 2001 · N69UP · Substantial damage
  > The pilot's failure to maintain directional control and an inadvertent ground loop/swerve during the landing roll.
- [NTSB DEN01LA164](https://openairdocs.org/ntsb/DEN01LA164.md): Cessna 172RG · Englewood, CO · Accident · No injuries · Limited investigation · Final report · Sep 27, 2001 · N9320D · Substantial damage
  > the 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.
- [NTSB ANC01LA146](https://openairdocs.org/ntsb/ANC01LA146.md): Douglas DC-6B · Nuiqsut, AK · Accident · Minor injuries · Limited investigation · Final report · Sep 26, 2001 · N867TA · Substantial damage
  > The flightcrew's continued use of an unstabilized GPS approach. Factors associated with the accident were low ceilings, and the inadequate coordination between the crew.
- [NTSB NYC01LA230](https://openairdocs.org/ntsb/NYC01LA230.md): Carver RAF 2000 GTX SE · Barre, VT · Accident · No injuries · Limited investigation · Final report · Sep 22, 2001 · N90407 · Substantial damage
  > The pilot's failure to maintain aircraft control during the takeoff. A factor in this accident were wind gusts.
- [NTSB NYC01LA224](https://openairdocs.org/ntsb/NYC01LA224.md): Yakovlev YAK-52 · Washington, CT · Accident · 1 fatal · Limited investigation · Final report · Sep 11, 2001 · N1189N · Destroyed
  > The 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.
- [NTSB CHI01LA313](https://openairdocs.org/ntsb/CHI01LA313.md): Gelasi Aircamper · Bloomfield, WI · Accident · Serious injuries · Limited investigation · Final report · Sep 3, 2001 · N7172B · Substantial damage
  > Aircraft 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.
- [NTSB NYC01LA221](https://openairdocs.org/ntsb/NYC01LA221.md): de Havilland DHC-94 Moth Minor · Farmington, PA · Accident · No injuries · Limited investigation · Final report · Sep 2, 2001 · N9403 · Substantial damage
  > The 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.
- [NTSB LAX01LA294](https://openairdocs.org/ntsb/LAX01LA294.md): Harter Kitfox Classic · Sedona, AZ · Accident · 1 fatal · Limited investigation · Final report · Aug 29, 2001 · N46MH · Destroyed
  > The 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.
- [NTSB SEA01LA160](https://openairdocs.org/ntsb/SEA01LA160.md): Shank Kitfox Model II · Battle Ground, WA · Accident · Serious injuries · Limited investigation · Final report · Aug 28, 2001 · N2136F · Destroyed
  > The pilot's failure to maintain adequate airspeed during climbout.
- [NTSB FTW01IA183](https://openairdocs.org/ntsb/FTW01IA183.md): Boeing 737-347 · DFW Airport, TX · Incident · No injuries · Incident investigation · Final report · Aug 16, 2001 · N308WA · 2 aircraft · Minor damage
  > The 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…
- [NTSB FTW01LA179](https://openairdocs.org/ntsb/FTW01LA179.md): Pdps PZL-Bielsko SZD-55-1 · Uvalde, TX · Accident · 1 fatal · Limited investigation · Final report · Aug 12, 2001 · N55VW · Destroyed
  > the pilot's failure to maintain aircraft control during the base turn, which resulted in an inadvertant stall/spin.
- [NTSB FTW01LA196](https://openairdocs.org/ntsb/FTW01LA196.md): WSK PZL Mielec M-18 · Dumas, AR · Accident · Minor injuries · Limited investigation · Final report · Aug 7, 2001 · N4206B · Substantial damage
  > The loss of engine power for undetermined reasons. A factor was the lack of suitable terrain for a forced landing.
- [NTSB IAD01LA091](https://openairdocs.org/ntsb/IAD01LA091.md): Delbridge Rotorway Exec 162F · Carrollton, VA · Accident · Serious injuries · Limited investigation · Final report · Aug 4, 2001 · N113RD · Substantial damage
  > pilot's inadequate fuel consumption calculations, which resulted in a loss of engine power due to fuel exhaustion.
- [NTSB IAD01LA087](https://openairdocs.org/ntsb/IAD01LA087.md): Charles Lancair 320 · Charleston, NY · Accident · Serious injuries · Limited investigation · Final report · Jul 27, 2001 · N92SB · Substantial damage
  > The pilot's failure to maintain control of the airplane while maneuvering, which resulted in a collision with trees.
- [NTSB NYC01LA184](https://openairdocs.org/ntsb/NYC01LA184.md): Pohl Lancair IV-P · Fryeburg, ME · Accident · No injuries · Limited investigation · Final report · Jul 23, 2001 · N488SD · Substantial damage
  > A 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.
- [NTSB LAX01LA244](https://openairdocs.org/ntsb/LAX01LA244.md): Levitsky BD-5T · Cameron Park, CA · Accident · 1 fatal · Limited investigation · Final report · Jul 14, 2001 · N104BD · Destroyed
  > an in-flight collision with terrain for undetermined reasons.
- [NTSB ATL01LA078](https://openairdocs.org/ntsb/ATL01LA078.md): McDonnell Douglas DC-3 · Titusville, FL · Accident · No injuries · Limited investigation · Final report · Jul 9, 2001 · N3239T · Substantial damage
  > The pilot's failure to maintain directional control during a bounced landing, resulting in a ground loop and subesequent collision with the runway.
- [NTSB SEA01LA126](https://openairdocs.org/ntsb/SEA01LA126.md): Maule M-5-210C · Big Creek, ID · Accident · No injuries · Limited investigation · Final report · Jul 6, 2001 · N349X · Substantial damage
  > The pilot's failure to adequately compensate for the wind conditions during the landing roll. High and gusting winds were factors.
- [NTSB DEN01LA121](https://openairdocs.org/ntsb/DEN01LA121.md): Griffith-Boyd Lancair 360 · La Junta, CO · Accident · No injuries · Limited investigation · Final report · Jul 6, 2001 · N15EG · Substantial damage
  > a wheels-up landing due to an uncommanded gear retraction resulting from a short circuit of the landing gear electrical wiring.
- [NTSB NYC01FA158](https://openairdocs.org/ntsb/NYC01FA158.md): Moravan Zlin 526F · Queen Anne, MD · Accident · 1 fatal · Field investigation · Final report · Jul 2, 2001 · N526GC · Destroyed
  > The pilot's failure to maintain airspeed during an aerobatic maneuver, which resulted in an inadvertent inverted spin.
- [NTSB CHI01LA171](https://openairdocs.org/ntsb/CHI01LA171.md): Larson Murphy Rebel · Stratford, WI · Accident · No injuries · Limited investigation · Final report · Jun 17, 2001 · N622GL · Substantial damage
  > The 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.
- [NTSB MIA01LA164](https://openairdocs.org/ntsb/MIA01LA164.md): Broyles P51 · Conestee, SC · Accident · 1 fatal · Limited investigation · Final report · Jun 16, 2001 · N251RB · Destroyed
  > Partial loss of engine power due to an engine cylinder experiencing detonation resulting in a forced landing to none suitable terrain.
- [NTSB IAD01LA067](https://openairdocs.org/ntsb/IAD01LA067.md): de Havilland DH-82 Tiger Moth · Allamuchy, NJ · Accident · No injuries · Limited investigation · Final report · Jun 16, 2001 · N4797 · Substantial damage
  > The loss of engine power over unsuitable terrain due to an exhaust valve stuck in the open position.
- [NTSB IAD01LA069](https://openairdocs.org/ntsb/IAD01LA069.md): Bucker Jungmann C.A.S.A. 1.131 · Plymouth, MA · Accident · Serious injuries · Limited investigation · Final report · Jun 15, 2001 · N131HH · Substantial damage
  > The pilot's failure to maintain altitude during an approach and inadequate visual lookout, which resulted in a collision with a runway sign.
- [NTSB SEA01LA116](https://openairdocs.org/ntsb/SEA01LA116.md): Yakovlev YAK 52 · Custer, WA · Accident · 2 fatal · Limited investigation · Final report · Jun 10, 2001 · N52BG · Destroyed
  > The first pilot's failure to maintain aircraft control while maneuvering. Factors include an inadvertent stall.
- [NTSB NYC01LA143](https://openairdocs.org/ntsb/NYC01LA143.md): Yakovlev 52 · Fredericksburg, VA · Accident · No injuries · Limited investigation · Final report · Jun 10, 2001 · N114YK · Substantial damage
  > The pilot's failure to obtain the proper touchdown point, which resulted in an overrun.
- [NTSB CHI01LA155](https://openairdocs.org/ntsb/CHI01LA155.md): Torno Micro Mong · Petersburg, MI · Accident · Serious injuries · Limited investigation · Final report · Jun 8, 2001 · N426RT · Substantial damage
  > Aircraft 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.
- [NTSB CHI01LA152](https://openairdocs.org/ntsb/CHI01LA152.md): Allen Rotorway 162F · Jerseyville, IL · Accident · No injuries · Limited investigation · Final report · Jun 3, 2001 · N242KA · Substantial damage
  > the improper autorotation by the pilot. Contributing factors were the engine failure for undetermined reason(s) and the muddy terrain.
- [NTSB FTW01LA120](https://openairdocs.org/ntsb/FTW01LA120.md): Kirchner Pietenpol Aircamper · Tulsa, OK · Accident · No injuries · Limited investigation · Final report · May 17, 2001 · N25157 · Substantial damage
  > the 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.
- [NTSB LAX01LA165](https://openairdocs.org/ntsb/LAX01LA165.md): De Havilland Tiger Moth DH 82A · Sonoma, CA · Accident · Serious injuries · Limited investigation · Final report · May 5, 2001 · N838KC · Substantial damage
  > Failure 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.
- [NTSB FTW01LA108](https://openairdocs.org/ntsb/FTW01LA108.md): Cartercopters Cartercopter · Olney, TX · Accident · No injuries · Limited investigation · Final report · Apr 29, 2001 · N121CC · Substantial damage
  > the 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.
- [NTSB FTW01LA086](https://openairdocs.org/ntsb/FTW01LA086.md): Cartercopters Cartercopter · Olney, TX · Accident · No injuries · Limited investigation · Final report · Mar 25, 2001 · N121CC · Substantial damage
  > the pilot's failure to maintain rotor rpm, which resuted in the main rotor contacting the tail during landing.
- [NTSB NYC01LA087](https://openairdocs.org/ntsb/NYC01LA087.md): Robinson R-22 · Islip, NY · Accident · Minor injuries · Limited investigation · Final report · Mar 10, 2001 · N9077F · Substantial damage
  > The 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.
- [NTSB SEA01LA053](https://openairdocs.org/ntsb/SEA01LA053.md): Gibbs V-6 Stol · Newberg, OR · Accident · No injuries · Limited investigation · Final report · Feb 25, 2001 · N230VG · Substantial damage
  > the 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.
- [NTSB ATL01LA031](https://openairdocs.org/ntsb/ATL01LA031.md): Sorrell SNS-2 Guppy · Raymond, MS · Accident · Serious injuries · Limited investigation · Final report · Feb 6, 2001 · N6334F · Destroyed
  > The failure of the rudder horn bracket, that resulted in the inflight loss of control.
- [NTSB ATL01LA030](https://openairdocs.org/ntsb/ATL01LA030.md): Learjet 25B · Ft. Pierce, FL · Accident · No injuries · Limited investigation · Final report · Feb 4, 2001 · N48WA · Substantial damage
  > The mechanic's failure to properly install and secure the left main landing gear aft trunnion pin in accordance with procedures.
- [NTSB FTW01LA055](https://openairdocs.org/ntsb/FTW01LA055.md): Schmidt Questair Venture · Fort Worth, TX · Accident · No injuries · Limited investigation · Final report · Jan 30, 2001 · N425V · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll. Factors were the crosswind and soft terrain condition.
- [NTSB LAX01FA071](https://openairdocs.org/ntsb/LAX01FA071.md): Worldwide Aeros 40B · Oakland, CA · Accident · Minor injuries · Field investigation · Final report · Jan 9, 2001 · N819AC · Substantial damage
  > One 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…

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
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
```

This list as a web page: https://openairdocs.org/ntsb?engine=99999&year=2001

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.