# NTSB investigations: 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 36 of 79 · 3,929 cases ## Cases, newest first - [NTSB MIA94LA207](https://openairdocs.org/ntsb/MIA94LA207.md): Cessna 152 · Osteen, FL · Accident · No injuries · Limited investigation · Final report · Sep 7, 1994 · N48938 · Substantial damage > The pilot-in-command's decision to land with excessive airspeed, and failure to obtain the proper touchdown point during a precautionary landing. The electrical short was a factor in the accident. - [NTSB BFO94LA159](https://openairdocs.org/ntsb/BFO94LA159.md): Bell UH-1B · Carrabasset, ME · Accident · No injuries · Limited investigation · Final report · Aug 31, 1994 · N204JB · Substantial damage > Fracture failure of the tail rotor drive intermediate gearbox. - [NTSB CHI94LA288](https://openairdocs.org/ntsb/CHI94LA288.md): Bede BD-10 · Chesterfield, MO · Accident · No injuries · Limited investigation · Final report · Aug 27, 1994 · N2BD · Substantial damage > the canopy lock pin design which allowed the pilot to receive a 'closed and locked' indication without the canopy lock pin being engaged. Factors were the pilots' intentional abort above rotation speed, the lack of developed takeoff and accelerate-stop… - [NTSB ATL94FA166](https://openairdocs.org/ntsb/ATL94FA166.md): Schweizer SGS 1-34R · Maylene, AL · Accident · 1 fatal · Field investigation · Final report · Aug 27, 1994 · N1132S · Destroyed > The pilot exceeding the design stress limits of the aircraft, resulting in an overload failure of the wing spar, and separation of the left wing from the aircraft. A factor was the pilot's lack of total flying experience in this model of aircraft. - [NTSB SEA94LA229](https://openairdocs.org/ntsb/SEA94LA229.md): Beech E-35 · Everett, WA · Accident · No injuries · Limited investigation · Final report · Aug 25, 1994 · N5093C · Substantial damage > The nose gear extension assembly failure. - [NTSB SEA94LA213](https://openairdocs.org/ntsb/SEA94LA213.md): Piper PA-24-180 · Nehalem, OR · Accident · No injuries · Limited investigation · Final report · Aug 14, 1994 · N5063P · Substantial damage > The separation of the landing gear transmission assembly from its attach bracket rivets due to undetermined reasons. It was not possible for the landing gear to be locked down during the landing roll due to this separation. - [NTSB LAX94FA323](https://openairdocs.org/ntsb/LAX94FA323.md): Lockheed C-130A · Pearblossom, CA · Accident · 3 fatal · Field investigation · Final report · Aug 13, 1994 · N135FF · Destroyed > the inflight failure of the right wing due to fatigue cracking in the underside right wing skin and overlying doubler. A factor contributing to the accident was inadequate maintenance procedures to detect fatigue cracking. - [NTSB CHI94LA272](https://openairdocs.org/ntsb/CHI94LA272.md): Piper PA-25 · Spiritwood, ND · Accident · No injuries · Limited investigation · Final report · Aug 3, 1994 · N6568Z · Substantial damage > the failure of the fuselage tubing in the empennage. - [NTSB LAX94LA304](https://openairdocs.org/ntsb/LAX94LA304.md): Piper PA-28-161 · Devore, CA · Accident · No injuries · Limited investigation · Final report · Jul 31, 1994 · N2500Y · Destroyed > was the failure of the pilot to follow checklist and emergency procedures, which resulted in an improper decision to land on a dirt road within two miles of an airport. - [NTSB MIA94LA182](https://openairdocs.org/ntsb/MIA94LA182.md): Smith, Ted Aerostar Aerostar 601 · Atlantic Ocean (Atlantic Ocean) · Accident · Serious injuries · Limited investigation · Final report · Jul 24, 1994 · N63317 · Destroyed > An electrical system short for undetermined reasons. - [NTSB NYC94FA123](https://openairdocs.org/ntsb/NYC94FA123.md): Gates Learjet 35 · Atlantic City, NJ · Accident · No injuries · Field investigation · Final report · Jul 13, 1994 · N69PS · Substantial damage > Under-inflation of the tires, due to improper maintenance, which resulted in overheating and subsequent tire failure; the incorrect checklist that was provided to the aircrew; and failure of the pilot-in-command to deploy the drag chute, when the thrust… - [NTSB FTW94FA231](https://openairdocs.org/ntsb/FTW94FA231.md): Aerospatiale AS-350B1 · Galveston, TX · Accident · 4 fatal · Field investigation · Final report · Jul 13, 1994 · N350WM · Destroyed > Inadequate torquing of the left lateral servo by maintenance personnel, which allowed it to become disconnected from the controls, leading to an in-flight loss of control. - [NTSB MIA94LA176](https://openairdocs.org/ntsb/MIA94LA176.md): Robinson R-22 · Sanford, FL · Accident · No injuries · Limited investigation · Final report · Jul 9, 1994 · N22431 · Substantial damage > The failure of the tailrotor driveshaft for undetermined reasons resulting in loss of tailrotor drive. This resulted in the helicopter spinning uncontrolled and descending from a hover until it crashed in the water. - [NTSB FTW94IA227](https://openairdocs.org/ntsb/FTW94IA227.md): Mcdonnell Douglas MD80 · Denver, CO · Incident · No injuries · Incident investigation · Final report · Jul 8, 1994 · N83873 · Minor damage > Failure of the right main landing gear torque link assembly and shimmy dampener for unknown reasons. - [NTSB MIA94LA171](https://openairdocs.org/ntsb/MIA94LA171.md): Pitts S2B · Fort Lauderdale, FL · Accident · No injuries · Limited investigation · Final report · Jul 4, 1994 · N61PS · Substantial damage > The poor welding quality of the manufacturer, resulting in the fatigue failure of the aileron attachment bracket. - [NTSB LAX94LA274](https://openairdocs.org/ntsb/LAX94LA274.md): Hayes Dickey E-RACER · Elko, NV · Accident · No injuries · Limited investigation · Final report · Jul 3, 1994 · N99G · Substantial damage > a fatigue fracture and separation of the propeller flange from an improperly machined propeller extension assembly. Inadequate design, substantiation, and approval of the part design was a factor in the accident. - [NTSB FTW94LA219](https://openairdocs.org/ntsb/FTW94LA219.md): Cameron V-77 · Littleton, CO · Accident · No injuries · Limited investigation · Final report · Jul 1, 1994 · N748CB · Substantial damage > A total failure of the balloon's heater system (pilot light) for undetermined reasons. A factor was unsuitable terrain on which to make a forced landing. - [NTSB NYC94FA106](https://openairdocs.org/ntsb/NYC94FA106.md): Sikorsky S-76B · Newport, RI · Accident · No injuries · Field investigation · Final report · Jun 30, 1994 · N76UT · Substantial damage > the failure of the left hand helical gear in the main gear box (MGB), due to undertorqued attaching bolts installed by the manufacturer, which resulted in a partial MGB failure. This failure resulted in the loss of the number one engine, illumination of the… - [NTSB CHI94FA212](https://openairdocs.org/ntsb/CHI94FA212.md): Beech A35 · Lakeville, MN · Accident · 3 fatal · Field investigation · Final report · Jun 28, 1994 · N3042V · Destroyed > The jamming of the elevator control which resulted in the pilot's inability to control the pitch attitude of the airplane. The airplane encountered a stall-spin and impacted level terrain in an uncontrolled descent. - [NTSB FTW94LA214](https://openairdocs.org/ntsb/FTW94LA214.md): Grumman G-164A · Coy, AR · Accident · No injuries · Limited investigation · Final report · Jun 24, 1994 · N5321 · Substantial damage > The separation of the landing gear due to failure of the landing gear axle bolts. - [NTSB SEA94LA149](https://openairdocs.org/ntsb/SEA94LA149.md): Hiller-Soloy UH-12L4 · Clarkston, WA · Accident · Minor injuries · Limited investigation · Final report · Jun 14, 1994 · N67264 · Substantial damage > Disconnection of the ballast bar aft retaining pin. Factor(s) were: tail rotor blade separation and reduced aircraft control. - [NTSB BFO94LA099](https://openairdocs.org/ntsb/BFO94LA099.md): Upton Mustang II · Churchtown, OH · Accident · 2 fatal · Limited investigation · Final report · Jun 14, 1994 · N49YP · Destroyed > The pilot's performance of a maneuver that exceeded the design stress limits of the airplane. - [NTSB BFO94LA098](https://openairdocs.org/ntsb/BFO94LA098.md): Bellah Rotorway Executive · Johnson City, NY · Accident · Minor injuries · Limited investigation · Final report · Jun 12, 1994 · N727TB · Substantial damage > The failure of the tail rotor drive belt due to undetermined reasons. This led to a loss of directional control and an autorotation. - [NTSB SEA94LA142](https://openairdocs.org/ntsb/SEA94LA142.md): 1ST FTR GP FOCKE-WULF 190 · Salt Lake City, UT · Accident · 1 fatal · Limited investigation · Final report · Jun 8, 1994 · N25074 · Destroyed > Improper balancing of the ailerons resulting in aileron flutter. - [NTSB ATL94LA115](https://openairdocs.org/ntsb/ATL94LA115.md): Cessna 172 · Flowery Branch, GA · Accident · No injuries · Limited investigation · Final report · Jun 7, 1994 · N3882L · Substantial damage > The maintenance personnel's failure to properly secure the throttle linkage assembly that resulted in a reduction in engine power. - [NTSB LAX94LA236](https://openairdocs.org/ntsb/LAX94LA236.md): Sharp Scorpion TOO · Beckwourth, CA · Accident · 1 fatal · Limited investigation · Final report · Jun 2, 1994 · N288JS · Destroyed > the failure of the tail rotor 'V' drive belt for undetermined reasons and the subsequent failure and separation of the tail rotor. - [NTSB LAX94LA227](https://openairdocs.org/ntsb/LAX94LA227.md): Perth Amboy Bird BK · San Jose, CA · Accident · Minor injuries · Limited investigation · Final report · May 30, 1994 · N847W · Substantial damage > the separation of the right main landing gear axle from the gear strut for undetermined reasons related to component age. - [NTSB FTW94LA189](https://openairdocs.org/ntsb/FTW94LA189.md): Beech 35 · Mckinney, TX · Accident · No injuries · Limited investigation · Final report · May 29, 1994 · N3956N · Substantial damage > The ailerons being locked by a foreign object. - [NTSB SEA94LA128](https://openairdocs.org/ntsb/SEA94LA128.md): Bell 204B · Libby, MT · Accident · Serious injuries · Limited investigation · Final report · May 27, 1994 · N911SW · Substantial damage > The fatigue fracture of the 42 degree gear box input pinion. Factors include unsuitable, mountainous/hilly terrain. - [NTSB MIA94LA154](https://openairdocs.org/ntsb/MIA94LA154.md): Pitts S2B · Keystone Height, FL · Accident · No injuries · Limited investigation · Final report · May 26, 1994 · N61PS · Substantial damage > The pilot-in-command's exceeding of the design limitations of the airplane. - [NTSB CHI94LA175](https://openairdocs.org/ntsb/CHI94LA175.md): Hughes 269B · Toulon, IL · Accident · Minor injuries · Limited investigation · Final report · May 25, 1994 · N9375S · Destroyed > the improper reassembly of the main rotor blade dampers and the underservicing of the landing gear skid hydraulic struts which resulted in ground resonance of the helicopter when the first takeoff after reassembly was attempted. - [NTSB FTW94FA176](https://openairdocs.org/ntsb/FTW94FA176.md): Praker Thorp T18C · Phoenix, AZ · Accident · 1 fatal · Field investigation · Final report · May 24, 1994 · N86BP · Destroyed > The pilot's inability to prevent an inadvertent stall and his inability to recover due to a restriction in the movement of the stabilator for undetermined reasons. A factor was the failure of the owner/builder and the pilot to accomplish a control rigging… - [NTSB NYC94LA091](https://openairdocs.org/ntsb/NYC94LA091.md): Cessna 305A · Franklin, VA · Accident · No injuries · Limited investigation · Final report · May 23, 1994 · N5234G · Substantial damage > The loss of airplane directional control during landing as a result of a tire failure, and the subsequent collision with soft terrain. - [NTSB MIA94LA149](https://openairdocs.org/ntsb/MIA94LA149.md): Beech 65 · Pensacola, FL · Accident · Serious injuries · Limited investigation · Final report · May 23, 1994 · N6166Y · Minor damage > Improper installation of nuts on the nosewheel (split rim) through-bolts by unknown personnel, which resulted in a subsequent failure (separation of the wheel halves). - [NTSB LAX94LA223](https://openairdocs.org/ntsb/LAX94LA223.md): Grumman AA-1C · Torrance, CA · Accident · No injuries · Limited investigation · Final report · May 23, 1994 · N9514U · Destroyed > a fatigue failure of the carburetor fuel inlet fitting. A fuel flow system modification and an inadequate annual inspection were factors in the accident. - [NTSB SEA94LA125](https://openairdocs.org/ntsb/SEA94LA125.md): Kelly Long EZ · Lindon, UT · Accident · Serious injuries · Limited investigation · Final report · May 21, 1994 · N8JE · Substantial damage > Piston failure and unsuitable terrain for a successful forced landing. - [NTSB SEA94FA121](https://openairdocs.org/ntsb/SEA94FA121.md): Aero Commander 500A · Livermore, CA · Accident · 4 fatal · Field investigation · Final report · May 20, 1994 · N601MK · Destroyed > A fuel system leak, inadequate preflight by the pilot (PIC), and by the non-flying pilot/passenger intentionally allowing operation of the aircraft with a known deficiency (fuel leak). A factor related to the accident was: the lack of suitable terrain for a… - [NTSB MIA94LA144](https://openairdocs.org/ntsb/MIA94LA144.md): Bell 206B · St. Petersburg, FL · Accident · Minor injuries · Limited investigation · Final report · May 19, 1994 · N72Z · Substantial damage > The failure of the number five bearing, shaft, or thomas coupling for undetermined reasons. Contributing to the accident was the pilot-in-command's delayed response in conducting the emergency procedure by not reducing the throttle to idle position, and… - [NTSB MIA94LA140](https://openairdocs.org/ntsb/MIA94LA140.md): Luscombe 8E · Deland, FL · Accident · Minor injuries · Limited investigation · Final report · May 14, 1994 · N71128 · Substantial damage > Corrosion and subsequent failure of the left main landing gear strut. - [NTSB FTW94IA154](https://openairdocs.org/ntsb/FTW94IA154.md): Saab-Scania SF-34OB · Texarkana, AR · Incident · No injuries · Incident investigation · Final report · May 12, 1994 · N254AE · Minor damage > The pilot's inability to retard the power levers during a rejected takeoff due to his failure to perform the emergency procedures in accordance with the aircraft operating manual. A factor was the illumination of the configuration light as result of… - [NTSB LAX94IA206](https://openairdocs.org/ntsb/LAX94IA206.md): Boeing 737-209 · Honolulu, HI · Incident · Minor injuries · Incident investigation · Final report · Apr 27, 1994 · N804AL · No damage > The failure of the battery transfer relay resulting in multiple system failures. - [NTSB FTW94IA139](https://openairdocs.org/ntsb/FTW94IA139.md): Beech 1900C · Cheyenne, WY · Incident · No injuries · Incident investigation · Final report · Apr 27, 1994 · N141UE · Minor damage > A partial failure of the leading edge tip portion of one of the left engine propeller blades due to previous impact damage from an unknown source. - [NTSB SEA94FA106](https://openairdocs.org/ntsb/SEA94FA106.md): Piper PA-32-260 · Kellogg, ID · Accident · 1 fatal · Field investigation · Final report · Apr 24, 1994 · N7659C · Destroyed > Failure of the pilot to maintain aircraft control, due to spatial disorientation, while flying with partial panel, and the design stress limits of the aircraft being exceeded. Factors related to the accident were: failure of the vacuum system, which resulted… - [NTSB CHI94FA140](https://openairdocs.org/ntsb/CHI94FA140.md): Vavra, Martin A. Rebel 300 · Wonderlake, IL · Accident · 1 fatal · Field investigation · Final report · Apr 23, 1994 · N12MV · Destroyed > Fatigue and catastrophic failure of the main wing spar resulting from the designer's excessive, unverified estimate of the strength of the spar cap material and the manufacturer's failure to attain the specified strength during the production process. - [NTSB MIA94FA125](https://openairdocs.org/ntsb/MIA94FA125.md): Bell 47D1 · Marathon, FL · Accident · 2 fatal · Field investigation · Final report · Apr 22, 1994 · N9660 · Destroyed > Separation of the tail rotor gearbox and tail rotor blades for an undetermined reason. Factors related to the accident were: failure of maintenance personnel to follow the proper maintenance procedure after a previous tail rotor strike, and failure to conduct… - [NTSB SEA94IA103](https://openairdocs.org/ntsb/SEA94IA103.md): Mcdonnell Douglas MD-83 · Seattle, WA · Incident · No injuries · Incident investigation · Final report · Apr 18, 1994 · N931AS · Minor damage > The fatigue fracture of a main gear wheel hub. - [NTSB MIA94LA123](https://openairdocs.org/ntsb/MIA94LA123.md): Piper PA-24-260 · Spring Hill, FL · Accident · No injuries · Limited investigation · Final report · Apr 16, 1994 · N8572P · Substantial damage > Unsuitable terrain encountered during a forced landing. Contributing to the accident was the fatigue failure of one of the propeller blade's pitch change knob. - [NTSB LAX94LA177](https://openairdocs.org/ntsb/LAX94LA177.md): Gardner E-RACER Mark II · Parker, AZ · Accident · 2 fatal · Limited investigation · Final report · Apr 4, 1994 · N96WM · Destroyed > the failure of the pilot to maintain control of the aircraft while maneuvering in the traffic pattern following a failure of the throttle control. A factor in the accident was a throttle linkage separation after takeoff. - [NTSB MIA94IA110](https://openairdocs.org/ntsb/MIA94IA110.md): Boeing 727-243 · Orlando, FL · Incident · No injuries · Incident investigation · Final report · Apr 2, 1994 · N59412 · Minor damage > The total failure of the left main landing gear door actuator fitting due to fatigue cracking in the fitting. Contributing to the accident was inadequate written inspection procedures by the aircraft manufacturer. - [NTSB SEA94LA092](https://openairdocs.org/ntsb/SEA94LA092.md): Grumman-Schweizer G-164B · Levan, UT · Accident · No injuries · Limited investigation · Final report · Mar 30, 1994 · N6754Q · Substantial damage > The left main landing gear wheel bearing broke resulting in the wheel jamming and the airplane nosing over. Next page: https://openairdocs.org/ntsb.md?occurrence=130&page=37 ## 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 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&page=36 --- 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.