# NTSB investigations, 2001: Airframe/component/system failure/malfunction

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.

Page 1 of 3 · 120 cases

## Latest cases

- [NTSB ATL02LA024](https://openairdocs.org/ntsb/ATL02LA024.md): Cessna 172M · Trenton, FL · Accident · Minor injuries · Limited investigation · Final report · Dec 28, 2001 · N4452Q · Substantial damage
  > The pilot's improper in-flight decision to make a precautionary landing after sustaining a total loss of electrical power with sufficient fuel remaining to reach his destination airport. This resulted in an off field landing to an off site location in a…
- [NTSB FTW02LA057](https://openairdocs.org/ntsb/FTW02LA057.md): Schleicher ASW-24E · El Paso, TX · Accident · Serious injuries · Limited investigation · Final report · Dec 16, 2001 · N134EK · Destroyed
  > the pilot's failure to maintain minimum airspeed for flight, resulting in an inadvertent stall while maneuvering. A contributing factor was the failure of the tow rope.
- [NTSB ANC02IA007](https://openairdocs.org/ntsb/ANC02IA007.md): Douglas DC-8-71F · Anchorage, AK · Incident · No injuries · Incident investigation · Final report · Dec 14, 2001 · N825BX · No damage
  > The asymmetrical activation of the left wing spoiler due to a broken retraction cable during takeoff. A factor associated with the incident was the operator's inadequate inspection of the cable.
- [NTSB FTW02TA051](https://openairdocs.org/ntsb/FTW02TA051.md): Cessna T210K · San Antonio, TX · Accident · No injuries · Final report · Dec 11, 2001 · N8299M · Substantial damage
  > the failure of the right main landing gear downlock mechanism to engage for reasons undetermined.
- [NTSB NYC02LA036](https://openairdocs.org/ntsb/NYC02LA036.md): Rockwell NA-265-80 · Boston, MA · Accident · No injuries · Limited investigation · Final report · Dec 10, 2001 · N819GY · Substantial damage
  > The failure of the left thrust reverser assembly due to fatigue.
- [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 CHI02LA044](https://openairdocs.org/ntsb/CHI02LA044.md): Mitsubishi MU-2B-40 · St Paul, MN · Accident · No injuries · Limited investigation · Final report · Nov 30, 2001 · N9052Y · Substantial damage
  > The autopilot's computer connections arcing and reported disconnection during the localizer approach and the pilot not performing a go around prior to the hard landing. A factor was the pilots lack of total experience in the accident airplane's make and model.
- [NTSB CHI02FA042](https://openairdocs.org/ntsb/CHI02FA042.md): Mooney M20M · Evansville, IN · Accident · 2 fatal · Field investigation · Final report · Nov 27, 2001 · N7775L · Destroyed
  > The fatigue failure of the turbocharger exhaust band clamp and aircraft control not possible by the pilot due to the fire.
- [NTSB CHI02LA036](https://openairdocs.org/ntsb/CHI02LA036.md): Cessna 172M · Vandalia, MO · Accident · Minor injuries · Limited investigation · Final report · Nov 17, 2001 · N4380R · Substantial damage
  > The student pilot's inadequate directional control on the previous landing resulting in the overload failure of the nose landing gear fork. Factors were the overload of the nose landing gear fork, and the student pilot's lack of total experience.
- [NTSB FTW02LA032](https://openairdocs.org/ntsb/FTW02LA032.md): Aero Commander 200D · Houston, TX · Accident · No injuries · Limited investigation · Final report · Nov 13, 2001 · N28PC · Substantial damage
  > the failure of the left outboard elevator attachment, which resulted in the partial separation of the left elevator and induced an airframe vibration.
- [NTSB CHI02LA028](https://openairdocs.org/ntsb/CHI02LA028.md): Bellanca 17-30A · Nevada, MO · Accident · Serious injuries · Limited investigation · Final report · Nov 11, 2001 · N76SV · Substantial damage
  > The inadequate fuel consumtion calculations by the pilot resulting in fuel starvation during the aborted landing, and the overloaded steering link for undetermined reasons resulting in the lack of directional control during landing. Factors were the…
- [NTSB ATL02LA013](https://openairdocs.org/ntsb/ATL02LA013.md): Cessna 172S · Sarasota, FL · Accident · No injuries · Limited investigation · Final report · Nov 11, 2001 · N24485 · Substantial damage
  > The operators failure to ensure adequate training had been provided to the student pilot in autopilot operations, and the student pilot's failure to comply/ follow written instructions (Federal Regulations/172 Skyhawk Information Manual) pertaining to the…
- [NTSB LAX02LA027](https://openairdocs.org/ntsb/LAX02LA027.md): Cessna 210K · North Las Vegas, NV · Accident · No injuries · Limited investigation · Final report · Nov 10, 2001 · N8232M · Substantial damage
  > The failure of maintenance personnel to properly diagnose the cause of a reported maintenance discrepancy resulting in the airplane being released from an annual inspection with a worn hydraulic pump which lacked sufficient output to operate the landing gear.…
- [NTSB DEN02TA011](https://openairdocs.org/ntsb/DEN02TA011.md): Cessna 206 · Casper, WY · Accident · No injuries · Final report · Nov 9, 2001 · N9582G · Substantial damage
  > failure to maintain aircraft control during landing. Contributing factors were the crosswind and gusting wind conditions.
- [NTSB CHI02LA022](https://openairdocs.org/ntsb/CHI02LA022.md): Smith Aerostar 601 · Danville, IL · Accident · No injuries · Limited investigation · Final report · Nov 8, 2001 · N128AC · Substantial damage
  > The separation of the main landing gear scissor assembly during landing for undetermined reasons, resulting in the directional control of the airplane not being possible.
- [NTSB ATL02FA010](https://openairdocs.org/ntsb/ATL02FA010.md): Cessna 310Q · Winston Salem, NC · Accident · 1 fatal · Field investigation · Final report · Nov 7, 2001 · N7648Q · Destroyed
  > Improper installation of the elevator trim tab control rod by maintenance personnel which allowed the control rod to disconnect and jam in the full up position (elevator full down) while in-flight. This resulted in a loss of directional control and subsequent…
- [NTSB SEA02LA010](https://openairdocs.org/ntsb/SEA02LA010.md): Fetherolf Hatz CB-1 · Ontario, OR · Accident · No injuries · Limited investigation · Final report · Nov 2, 2001 · N26WF · Substantial damage
  > An improper weld in the landing gear, resulting in separation of the right main landing gear wheel during a normal landing.
- [NTSB LAX02LA015](https://openairdocs.org/ntsb/LAX02LA015.md): Thomson Harmon Rocket II · Perris, CA · Accident · No injuries · Limited investigation · Final report · Oct 27, 2001 · N325L · Substantial damage
  > the airplane builder's failure to properly install a bolt and nut into the aileron and elevator flight control system. A contributing factor was the soft terrain conditions for the ensuing forced landing.
- [NTSB CHI02LA013](https://openairdocs.org/ntsb/CHI02LA013.md): Meester HP-14 · Sturtevant, WI · Accident · Serious injuries · Limited investigation · Final report · Oct 27, 2001 · N8833 · Substantial damage
  > The restricted movement of the aileron control system for undetermined reasons.
- [NTSB FTW02LA074](https://openairdocs.org/ntsb/FTW02LA074.md): Beech 58 · Farmington, NM · Accident · No injuries · Limited investigation · Final report · Oct 26, 2001 · N8117V · Substantial damage
  > The failure of the nose gear actuator retract arm due to fatigue.
- [NTSB LAX02IA013](https://openairdocs.org/ntsb/LAX02IA013.md): McDonnell Douglas 600N · Long Beach, CA · Incident · No injuries · Incident investigation · Final report · Oct 23, 2001 · N959SD · No damage
  > The fatigue failure of a 5/16-inch boom attach bolt was most probably caused by the angular misalignment between the tail boom bolt hole and the fuselage mounted nutplate.
- [NTSB LAX02FA008](https://openairdocs.org/ntsb/LAX02FA008.md): Brock Thorp T-18 · El Mirage, CA · Accident · 1 fatal · Field investigation · Final report · Oct 19, 2001 · N42KB · Substantial damage
  > the corrosion and fatigue failure of the tail wheel fork.
- [NTSB FTW02FA017](https://openairdocs.org/ntsb/FTW02FA017.md): Aerospatiale AS350B2 · Roswell, NM · Accident · 2 fatal · Field investigation · Final report · Oct 19, 2001 · N111DT · Destroyed
  > The seizing of the cyclic control for an undetermined reason. A contributing factor was the lack of altitude for the pilot to regain control of the helicopter.
- [NTSB LAX02IA002](https://openairdocs.org/ntsb/LAX02IA002.md): Boeing 737-700 · Santa Ana, CA · Incident · No injuries · Incident investigation · Final report · Oct 10, 2001 · N615AS · No damage
  > The failure of the stabilizer electric trim motor as a result of internal mechanical seizure.
- [NTSB FTW02FA003](https://openairdocs.org/ntsb/FTW02FA003.md): Fokker F28 Mk 0100 · DFW Airport, TX · Accident · No injuries · Field investigation · Final report · Oct 3, 2001 · N1448A · Substantial damage
  > The collapse of the nose landing gear as a result of the failure of company maintenance personnel to follow the proper procedures for a towing the airplane with an unsafe nose landing gear indication. Contributing factors were the inadequate communication…
- [NTSB NYC02LA004](https://openairdocs.org/ntsb/NYC02LA004.md): Rich Woodstock I · Waynesburg, PA · Accident · Serious injuries · Limited investigation · Final report · Oct 2, 2001 · N21468 · Minor damage
  > An improperly secured canopy latch, which resulted in canopy separation during liftoff and the pilot's subsequent loss of control. A factor was the improper installation of the latch.
- [NTSB FTW01LA214](https://openairdocs.org/ntsb/FTW01LA214.md): Bell 206L-1 · W Cameron 168 · Accident · No injuries · Limited investigation · Final report · Sep 26, 2001 · N1067D · Substantial damage
  > the failure of the rotor tachometer generator, which resulted in a precautionary landing in the Gulf of Mexico. A contributing factor to the accident was the rough water condition.
- [NTSB CHI01LA314](https://openairdocs.org/ntsb/CHI01LA314.md): Beech 76 · Wheeling, IL · Accident · No injuries · Limited investigation · Final report · Sep 10, 2001 · N383 · Substantial damage
  > The failure of the hydraulic power pack,and the false landing gear position indication.
- [NTSB ATL01LA108](https://openairdocs.org/ntsb/ATL01LA108.md): Bell 47G · Berry, AL · Accident · No injuries · Limited investigation · Final report · Sep 7, 2001 · N6327D · Substantial damage
  > The failure of the main rotor system stabilizer damper control horn assembly, resulting in an uncontrolled descent and subsequent collision with a tree and terrain.
- [NTSB DEN01FA157](https://openairdocs.org/ntsb/DEN01FA157.md): Boeing 777-236 · Denver, CO · Accident · 1 fatal · Field investigation · Final report · Sep 5, 2001 · G-VIIK · Substantial damage
  > the overstress fracture of the airplane's refueling adapter ring that resulted from the abnormal angular force applied to it. The applied angular force occurred due to the ground refueler inadequately positioning the hydrant fuel truck (in relation to the…
- [NTSB SEA01LA165](https://openairdocs.org/ntsb/SEA01LA165.md): Cessna T210L · Olympia, WA · Accident · No injuries · Limited investigation · Final report · Sep 3, 2001 · N6721M · Substantial damage
  > The inability of the landing gear to fully extend due to the failure of a hydraulic hose in the nose gear extension system.
- [NTSB FTW01LA202](https://openairdocs.org/ntsb/FTW01LA202.md): Hiller UH-12D · Lubbock, TX · Accident · Minor injuries · Limited investigation · Final report · Sep 3, 2001 · N2770 · Substantial damage
  > the failure of the tail rotor drive shaft hanger bearing, which resulted in the separation of the tail rotor drive shaft. A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB ANC01LA136](https://openairdocs.org/ntsb/ANC01LA136.md): Cessna 185F · King Salmon, AK · Accident · No injuries · Limited investigation · Final report · Sep 2, 2001 · N177BM · Substantial damage
  > An overload failure of the main axle attaching bolts, and subsequent separation of the axle from the landing gear strut.
- [NTSB SEA01IA161](https://openairdocs.org/ntsb/SEA01IA161.md): de Havilland DHC-8-102 · Portland, OR · Incident · No injuries · Incident investigation · Final report · Aug 28, 2001 · N827PH · No damage
  > Improper tension of the right control yoke chain; a worn right aileron spring tab hinge bearing; improper tension of the left aileron spring tab aft spring and worn contact stud; improper tension of the right aileron spring tab and a worn contact stud; a worn…
- [NTSB ATL01LA102](https://openairdocs.org/ntsb/ATL01LA102.md): Beech 55 · Jacksonville, FL · Accident · No injuries · Limited investigation · Final report · Aug 25, 2001 · N521U · Substantial damage
  > The failure of the left landing gear extention rod for undetermined reasons that resulted in a landing with the gear retracted.
- [NTSB FTW01FA188](https://openairdocs.org/ntsb/FTW01FA188.md): Cessna 152 · Weatherford, TX · Accident · 1 fatal · Field investigation · Final report · Aug 22, 2001 · N4755B · Destroyed
  > The student pilot's improper decision making in that he landed with a tailwind and failed to execute a go-around, which resulted in a runway overrun. Contributing factors were the inaccurate reading of the left fuel gage as a result of improper maintenance by…
- [NTSB MIA01LA219](https://openairdocs.org/ntsb/MIA01LA219.md): Piper PA-28-140 · Wilgrove, NC · Accident · No injuries · Limited investigation · Final report · Aug 17, 2001 · N1453T · Substantial damage
  > The failure of maintenance personal to properly reconnect the throttle-cable-to carburetor attachment, resulting in a throttle cable disconnection while in the landing pattern, and collision with trees. A factor in the accident was the failure of the pilot to…
- [NTSB FTW01LA180](https://openairdocs.org/ntsb/FTW01LA180.md): Cessna 210 · Fort Smith, AR · Accident · No injuries · Limited investigation · Final report · Aug 12, 2001 · N8137L · Substantial damage
  > the overload fracture of the left main landing gear actuator which resulted in the loss of all hydraulic fluid and led to a wheels up landing.
- [NTSB CHI01LA274](https://openairdocs.org/ntsb/CHI01LA274.md): Piper PA-28-180 · Union, IL · Accident · Minor injuries · Limited investigation · Final report · Aug 12, 2001 · N8424W · Substantial damage
  > The total failure of the crankshaft as a result of fatigue and the unsuitable terrain encountered during the forced landing. Factors associated with the accident were the soft terrain on which the forced landing was made and the subsequent gear collapse.
- [NTSB ANC01LA109](https://openairdocs.org/ntsb/ANC01LA109.md): Sikorsky S61A · Wrangell, AK · Accident · No injuries · Limited investigation · Final report · Aug 11, 2001 · N5193Y · Substantial damage
  > The separation of a steel long line cable that failed and rebounded from a load of logs into the helicopter's main and tail rotors.
- [NTSB FTW01LA181](https://openairdocs.org/ntsb/FTW01LA181.md): Zacharius Acroduster I · Conroe, TX · Accident · No injuries · Limited investigation · Final report · Aug 10, 2001 · N6614R · Destroyed
  > the mechanic's inadequate inspection which resulted in the undetected corroded rudder cable and its subsequent failure during aerobatic maneuvers.
- [NTSB MIA01LA213](https://openairdocs.org/ntsb/MIA01LA213.md): Avid Mk-4 · Salisbury, NC · Accident · Serious injuries · Limited investigation · Final report · Aug 9, 2001 · N567SM · Substantial damage
  > , An aileron control system failure during climb due to an improper welded installation by the aircraft homebuilder, resulting in an inflight loss of lateral control, and an inflight collision with the terrain during an uncontrolled descent and landing.
- [NTSB DEN01LA142](https://openairdocs.org/ntsb/DEN01LA142.md): Piper PA-60-602P · Rock Springs, WY · Accident · No injuries · Limited investigation · Final report · Aug 9, 2001 · N44JH · Destroyed
  > the right main tire blowing out in flight, which resulted in a loss of directional control during landing.
- [NTSB ANC01LA116](https://openairdocs.org/ntsb/ANC01LA116.md): Piper PA-18 · Anaktuvuk Pass, AK · Accident · No injuries · Limited investigation · Final report · Aug 6, 2001 · N4167Z · Substantial damage
  > A failure of the landing gear strut assembly due to corrosion. A factor in the accident was the pilot's inadequate maintenance of the airplane.
- [NTSB ANC01LA097](https://openairdocs.org/ntsb/ANC01LA097.md): Piper PA-12 · Anchorage, AK · Accident · No injuries · Limited investigation · Final report · Aug 2, 2001 · N7775H · Substantial damage
  > The loss of left brake pressure due to a missing hydraulic brake fitting.
- [NTSB MIA01FA206](https://openairdocs.org/ntsb/MIA01FA206.md): Mitsubishi MU-2B-35 · Hilton Head, SC · Accident · 1 fatal · Field investigation · Final report · Aug 1, 2001 · N1VY · Destroyed
  > Improper maintenance/installation and and inadequate inspection of the airplane's flap torque tube joints during routine maintenance by company maintenance personnel, which resulted in the right flap torque tube assembly coupler becoming detached and the…
- [NTSB NYC01LA196](https://openairdocs.org/ntsb/NYC01LA196.md): Air & Space 18A · Blairstown, NJ · Accident · Minor injuries · Limited investigation · Final report · Jul 31, 2001 · N6121S · Substantial damage
  > An encounter with ground resonance for undetermined reasons.
- [NTSB DEN01LA132](https://openairdocs.org/ntsb/DEN01LA132.md): Piper PA-31-350 · Grand Junction, CO · Accident · No injuries · Limited investigation · Final report · Jul 29, 2001 · N114SA · Substantial damage
  > the failure of the nose landing gear right drag brace (link assembly) due to fatigue.
- [NTSB CHI01LA252](https://openairdocs.org/ntsb/CHI01LA252.md): Air Tractor AT-301 · Edmore, ND · Accident · Minor injuries · Limited investigation · Final report · Jul 28, 2001 · N4361S · Substantial damage
  > The incorrect installation of the wheel assembly bolts by maintenance personnel resulting in the stripped bolt threads and ultimate failure of the wheel, and directional control not possible by the pilot. A factor was the ditch
- [NTSB LAX01IA262](https://openairdocs.org/ntsb/LAX01IA262.md): Mdhi 520N · Los Angeles, CA · Incident · No injuries · Incident investigation · Final report · Jul 25, 2001 · N953SD · Minor damage
  > the excitation of the first bending mode natural frequency of the aft tube assembly that is installed through the rotating NOTAR fan drive system. Contributing factors to the incident included the operator's maintenance practice of hand-sanding the pitch…

Next page: https://openairdocs.org/ntsb.md?year=2001&occurrence=130&page=2

## 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 o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o."occurrenceNumber" = 1 AND o."occurrenceCode" = 130)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?occurrence=130&year=2001

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