# 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 39 of 79 · 3,929 cases

## Cases, newest first

- [NTSB BFO93LA106](https://openairdocs.org/ntsb/BFO93LA106.md): Wernega Benson KB-2 · Mount Holly, NJ · Accident · 1 fatal · Limited investigation · Final report · Jul 4, 1993 · N6606B · Destroyed
  > The pilot's improper use of the gyroplane's flight controls.
- [NTSB BFO93FA107](https://openairdocs.org/ntsb/BFO93FA107.md): US/Lta 138S Airship · New York, NY · Accident · Serious injuries · Field investigation · Final report · Jul 4, 1993 · N832US · Destroyed
  > Inadequate design of, and design standards for, the airship which resulted in an envelope failure following separation of a portion of the night sign equipment.
- [NTSB DEN93LA072](https://openairdocs.org/ntsb/DEN93LA072.md): Cessna 150M · Haswell, CO · Accident · No injuries · Limited investigation · Final report · Jul 1, 1993 · N704QR · Substantial damage
  > Failure of the student pilot to maintain control of the aircraft during landing roll. Factors were: alternator failure, failure of the student pilot to follow procedures and directives, and failure of the student pilot to perform fuel consumption calculations.
- [NTSB DEN93LA069](https://openairdocs.org/ntsb/DEN93LA069.md): Irving Siewert Osprey GP-4 · Canon City, CO · Accident · 1 fatal · Limited investigation · Final report · Jun 25, 1993 · N85Z · Destroyed
  > Failure by the pilot/builder to follow construction specifications and the use of improper materials during construction of the aircraft.
- [NTSB NYC93LA116](https://openairdocs.org/ntsb/NYC93LA116.md): Gritter Quest AIR 20 · Baltimore, MD · Accident · No injuries · Limited investigation · Final report · Jun 17, 1993 · N116CP · Substantial damage
  > The failure of the left main gear tire which resulted in a loss of directional control and collision with a taxiway sign.
- [NTSB ATL93IA111](https://openairdocs.org/ntsb/ATL93IA111.md): Sikorsky S-76A · Cullman, AL · Incident · No injuries · Incident investigation · Final report · Jun 15, 1993 · N110AL · No damage
  > The failure of company maintenance personnel to properly inspect the tail rotor control cable at the last 750 hour inspection, and the subsequent total failure of the cable due to wear.
- [NTSB NYC93IA113](https://openairdocs.org/ntsb/NYC93IA113.md): Short Brothers SD3-60-200 · Atlantic City, NJ · Incident · No injuries · Incident investigation · Final report · Jun 14, 1993 · N711HJ · No damage
  > A malfunction of the cargo fire warning system which resulted in a false alarm.
- [NTSB CHI93DCG01](https://openairdocs.org/ntsb/CHI93DCG01.md): Emory W. Greer, JR. VARI-EZE · Olathe, KS · Accident · 2 fatal · Final report · Jun 13, 1993 · N222EG · Destroyed
  > the pilot's failure to secure a fuel cap during the preflight inspection of the airplane, and the pilot's failure to maintain aircraft control during the emergency landing. Factors associated with the accident are the unsecured fuel cap and the foreign object…
- [NTSB FTW93FA185](https://openairdocs.org/ntsb/FTW93FA185.md): Convair 440 · Greenville, TX · Accident · No injuries · Field investigation · Final report · Jun 9, 1993 · N580HH · Substantial damage
  > The pilot-in-command's failure to follow the published emergency procedures. Factors were engine fire warning system activating for undetermined reasons, and the resultant ac power loss when that engine was secured. The lack of recent expereince in type…
- [NTSB FTW93LA177](https://openairdocs.org/ntsb/FTW93LA177.md): Weatherly 620B · Crowley, LA · Accident · No injuries · Limited investigation · Final report · Jun 5, 1993 · N2002E · Substantial damage
  > Severe propeller and airframe vibration for undetermined reasons. A factor was the lack of suitable terrain for the forced landing.
- [NTSB ATL93LA103](https://openairdocs.org/ntsb/ATL93LA103.md): Cessna 172F · Ravenel, SC · Accident · Minor injuries · Limited investigation · Final report · Jun 5, 1993 · N8279U · Substantial damage
  > The continuation of the landing attempt into the short sod field without the use of flaps and the use of excessive airspeed by the pilot. Factors in the accident were the failure of the aircraft flaps to extend
- [NTSB CHI93DEM01](https://openairdocs.org/ntsb/CHI93DEM01.md): Amato Corben JR. ACE · Traverse City, MI · Accident · No injuries · Final report · Jun 3, 1993 · N17BA · Substantial damage
  > inadequate lubrication of the tailwheel bearings and inadequate preflight by the pilot/owner which resulted in a seized tailwheel.
- [NTSB ATL93LA100](https://openairdocs.org/ntsb/ATL93LA100.md): Cessna 172 · Tuskegee, AL · Accident · No injuries · Limited investigation · Final report · Jun 2, 1993 · N64206 · Substantial damage
  > The pilot's failure to establish a final approach course to the runway surface during a night landing. A factor was the inoperative aircraft landing light.
- [NTSB ANC93FA070](https://openairdocs.org/ntsb/ANC93FA070.md): Cessna 320 · Anchorage, AK · Accident · No injuries · Field investigation · Final report · May 28, 1993 · N4198T · Substantial damage
  > An undetermined failure that resulted in an overvoltage condition of the electrical system, overheating of the battery, overdrive (overtorque) of the landing gear extension system, a disconnect of the emergency extension system, and a susbsequent collapse of…
- [NTSB LAX93IA235](https://openairdocs.org/ntsb/LAX93IA235.md): US/Lta 138-S · Santa Maria, CA · Incident · No injuries · Incident investigation · Final report · May 25, 1993 · N832US · Minor damage
  > Inadequate specifications in the design and manufacture of a rudder control tube rod end bearing by the airship manufacturer.
- [NTSB LAX93LA222](https://openairdocs.org/ntsb/LAX93LA222.md): Cessna 182P · Reno, NV · Accident · No injuries · Limited investigation · Final report · May 24, 1993 · N642WR · Substantial damage
  > Incorrect installation of a bearing in the airplane's alternator during overhaul by maintenance personnel. A factor in the accident was the rough, uneven terrain.
- [NTSB CHI93DCD02](https://openairdocs.org/ntsb/CHI93DCD02.md): Piper PA-25 · Essex, IA · Accident · 1 fatal · Final report · May 21, 1993 · N6453Z · Destroyed
  > Fatigue failure of the forward spar fuselage attachment assembly for the right wing. A factor related to the accident was: the lack of a directed inspection procedure that could have been provided with the issuance of an airworthiness directive.
- [NTSB ATL93LA093](https://openairdocs.org/ntsb/ATL93LA093.md): Cessna 152 · Grandview, TN · Accident · No injuries · Limited investigation · Final report · May 16, 1993 · N6231B · Substantial damage
  > Failure of the aircraft battery.
- [NTSB ATL93LA092](https://openairdocs.org/ntsb/ATL93LA092.md): Jones Lightning BUG 2 · Walterboro, SC · Accident · Minor injuries · Limited investigation · Final report · May 13, 1993 · N200NJ · Destroyed
  > The disconnection of an elevator rod end fitting in flight, which disabled the elevator
- [NTSB SEA93LA105](https://openairdocs.org/ntsb/SEA93LA105.md): Kaman HH-43F · Anatone, WA · Accident · 1 fatal · Limited investigation · Final report · May 12, 1993 · N846D · Destroyed
  > Fatigue failure of the rotor transmission drive system, resulting from the improper certification/approval of the aircraft modification by the federal aviation administration.
- [NTSB BFO93LA074](https://openairdocs.org/ntsb/BFO93LA074.md): Cessna 172 · Towanda, PA · Accident · Serious injuries · Limited investigation · Final report · May 8, 1993 · N3914F · Destroyed
  > The failure of the aileron control cable which resulted in loss of control in flight.
- [NTSB LAX93LA211](https://openairdocs.org/ntsb/LAX93LA211.md): Cessna 140 · Ramona, CA · Accident · No injuries · Limited investigation · Final report · May 6, 1993 · N76194 · Substantial damage
  > A jammed control yoke.
- [NTSB ANC93LA058](https://openairdocs.org/ntsb/ANC93LA058.md): Piper PA-18 · Chugiak, AK · Accident · No injuries · Limited investigation · Final report · May 3, 1993 · N82231 · Substantial damage
  > The failure of the right brake due to improper installation of the brake line. Factors were the pilot's improper in flight planning/decision by not checking the brakes prior to landing, and the berm.
- [NTSB BFO93LA067](https://openairdocs.org/ntsb/BFO93LA067.md): Piper PA-28RT-201 · Willimantic, CT · Accident · No injuries · Limited investigation · Final report · May 2, 1993 · N81529 · Substantial damage
  > Failure of the pilot to follow emergency procedures to ensure that the gear was locked. A factor related to the accident was the total electrical failure and the construction site located beside the runway.
- [NTSB ANC93FA056](https://openairdocs.org/ntsb/ANC93FA056.md): Bell 204B · Copper Harbor, AK · Accident · 1 fatal · Field investigation · Final report · May 2, 1993 · N204AQ · Destroyed
  > Fatigue failure of the tail rotor gearbox, and improper helicopter operations being conducted by the operator resulting in repetitive at and over maximum loads. Factors in the accident were: material defect of the tail rotor gear box (inadequate quality…
- [NTSB MIA93LA130](https://openairdocs.org/ntsb/MIA93LA130.md): Smith FW2C80TD · Lucedale, MS · Accident · 2 fatal · Limited investigation · Final report · Apr 27, 1993 · N912WB · Destroyed
  > The pilot in command's operation of the aircraft in a manner which exceeded design limitations which resulted in inflight failure and separation of the wings.
- [NTSB CHI93LA145](https://openairdocs.org/ntsb/CHI93LA145.md): Piper PA-31-310 · Port Huron, MI · Accident · No injuries · Limited investigation · Final report · Apr 22, 1993 · N654N · Substantial damage
  > failure of the landing gear actuator cable.
- [NTSB MIA93LA106](https://openairdocs.org/ntsb/MIA93LA106.md): Douglas DC-3C · Zephyrhills, FL · Accident · No injuries · Limited investigation · Final report · Apr 20, 1993 · N8056 · Substantial damage
  > The pilot-in-command's failure to maintain best single-engine rate-of-climb speed which resulted in a forced landing. A factor which contributed to the accident was a possible exhaust system clamp failure.
- [NTSB DCA93GA042](https://openairdocs.org/ntsb/DCA93GA042.md): Mitsubishi MU-2B-60 · Zwingle, IA · Accident · 8 fatal · Class 1 · Final report · Apr 19, 1993 · N86SD · Destroyed
  > The fatigue cracking and fracture of the propeller hub arm. The resultant separation of the hub arm and the propeller blade damaged the engine, nacelle, wing, and fuselage, thereby causing significant degradation to aircraft performance and control that made…
- [NTSB FTW93LA131](https://openairdocs.org/ntsb/FTW93LA131.md): Hispano Aviacion HA-200 · Walnut Ridge, AR · Accident · No injuries · Limited investigation · Final report · Apr 16, 1993 · N554GA · Substantial damage
  > A corroded bleed air check valve and subsequent failure ot the right wing's fuel transfer system. A factor was the unfavorable wind
- [NTSB FTW93IA125](https://openairdocs.org/ntsb/FTW93IA125.md): Boeing 747-269BC · Alexandria, LA · Incident · No injuries · Incident investigation · Final report · Apr 12, 1993 · 9KADD · Minor damage
  > The inflight delamination of the wing panel skin. Factors were the water contamination of the honeycomb panel.
- [NTSB FTW93LA124](https://openairdocs.org/ntsb/FTW93LA124.md): Violet Dragonfly · Carlsbad, NM · Accident · No injuries · Limited investigation · Final report · Apr 11, 1993 · N48RV · Substantial damage
  > The improper installation of the control stick assembly and the subsequent separation of the flight control stick assembly from the mount
- [NTSB CHI93IA152](https://openairdocs.org/ntsb/CHI93IA152.md): Boeing 767-233 · Kansas City, MO · Incident · No injuries · Incident investigation · Final report · Apr 10, 1993 · CGAUP · No damage
  > A frozen aileron control bearing after it had become worn, corroded and exposed to water, and the manufacturer's inadequate maintenance/inspection requirment of the bearing(s).
- [NTSB FTW93LA120](https://openairdocs.org/ntsb/FTW93LA120.md): Piper PA-28R-200 · Midlothian, TX · Accident · No injuries · Limited investigation · Final report · Apr 8, 1993 · N4439T · Substantial damage
  > Failure of the engine cowling latch resulting in deteriorating airplane performance and a forced landing.
- [NTSB DCA93MA037](https://openairdocs.org/ntsb/DCA93MA037.md): Mcdonnell Douglas MD-11 · Shemya, AK · Accident · 2 fatal · Class 1 · Major · Final report · Apr 6, 1993 · B2171 · Minor damage
  > The national transportation safety board determines that the probable cause of this accident was the inadequate design of the flap/slat actuation handle by the Douglas aircraft company that allowed the handle to be easily and inadvertently dislodged from the…
- [NTSB CHI93FA129](https://openairdocs.org/ntsb/CHI93FA129.md): Aerospatiale ATR-42-300 · Chicago, IL · Accident · 1 fatal · Field investigation · Final report · Apr 5, 1993 · N422MQ · Minor damage
  > the unqualified baggage handler's attempting to load an unfamiliar airplane and inadequate training by the airline which employed the baggage handler.
- [NTSB NYC93LA067](https://openairdocs.org/ntsb/NYC93LA067.md): Silva Seawind 3000 · Coatesville, PA · Accident · Minor injuries · Limited investigation · Final report · Apr 3, 1993 · N465W · Substantial damage
  > Improper adjustment setting of the propeller pitch change mechanism and/or propeller governor output pressure, which resulted in a loss of positive thrust and a forced landing.
- [NTSB LAX93LA161](https://openairdocs.org/ntsb/LAX93LA161.md): Cessna 150 · San Diego, CA · Accident · Minor injuries · Limited investigation · Final report · Apr 3, 1993 · N50287 · Destroyed
  > The failure of the wing flap control due to the improper type of fuse installed by unidentified persons. Factors relating to this accident were the flap motor partial failure due to corrosion and the total failure of the fuse due to the wrong type amperage.
- [NTSB ATL93LA069](https://openairdocs.org/ntsb/ATL93LA069.md): John Thomason Laco 145 · Tuskegee, AL · Accident · No injuries · Limited investigation · Final report · Apr 3, 1993 · N89ST · Substantial damage
  > The overload failure of the tail wheel leaf springs, which resulted in a loss of directional control during the landing roll.
- [NTSB DEN93FA038](https://openairdocs.org/ntsb/DEN93FA038.md): Aerospatiale SA316B · Aspen, CO · Accident · 3 fatal · Field investigation · Final report · Apr 1, 1993 · N3153R · Destroyed
  > Failure of the flight control lower mixing unit due to fatigue, which resulted in the loss of control.
- [NTSB BFO93IA057](https://openairdocs.org/ntsb/BFO93IA057.md): British Aerospace BAE3201 · Rochester, NY · Incident · No injuries · Incident investigation · Final report · Mar 23, 1993 · N496UE · Minor damage
  > Failure of the main cabin door to be adequately secured for flight for an unknown REAS0N.
- [NTSB LAX93LA181](https://openairdocs.org/ntsb/LAX93LA181.md): Cessna U-206G · Yuma, AZ · Accident · Minor injuries · Limited investigation · Final report · Mar 16, 1993 · N733TH · Substantial damage
  > An inadequate annual inspection which led to a loss of the electrical system due to loose alternator belt, and the pilot's failure to attain the proper touchdown point during a night precautionary landing on an unlit runway.
- [NTSB NYC93IA059](https://openairdocs.org/ntsb/NYC93IA059.md): Boeing 737-130 · Newark, NJ · Incident · No injuries · Incident investigation · Final report · Mar 15, 1993 · N14212 · No damage
  > Inadequate maintenance/inspection by company maintenance personnel, the manufacturer's inadequate inspection and/or replacement procedures for the aileron cables, and subsequent failure of the 'down' aileron control cable due to wear.
- [NTSB FTW93FA105](https://openairdocs.org/ntsb/FTW93FA105.md): Piper PA-28R-201T · Radium Springs, NM · Accident · 2 fatal · Field investigation · Final report · Mar 15, 1993 · N47402 · Destroyed
  > A total failure of the airplane's vacuum system. Factors which contributed to the accident were: the dark night, snow, the pilot's loss of aircraft control, and the pilot's lack of experience in flying in actual intrument meteorological conditions.
- [NTSB LAX93FA149](https://openairdocs.org/ntsb/LAX93FA149.md): Cessna 421C · Eagle Mountain, CA · Accident · 3 fatal · Field investigation · Final report · Mar 12, 1993 · N2656N · Destroyed
  > Failure of the left elevator for undetermined reason(s), which resulted in flutter and failure of the empennage, and subsequent uncontrolled collision with the terrain.
- [NTSB MIA93IA083](https://openairdocs.org/ntsb/MIA93IA083.md): Aero Commander 500 · Everglades City, FL · Incident · No injuries · Incident investigation · Final report · Mar 7, 1993 · N3836C · Minor damage
  > The preexisting fatigue cracking of the propeller hub arm in the bearing retention radius due to polishing and wear of the radius from contact with the split rings, resulting in a propeller blade separating from the propeller hub on the takeoff ground run,…
- [NTSB ANC93LA036](https://openairdocs.org/ntsb/ANC93LA036.md): Maule M5 · Chena Hot Sprng, AK · Accident · No injuries · Limited investigation · Final report · Feb 20, 1993 · N9176E · Substantial damage
  > The total failure of the landing gear axle as a result of a pre existing fracture in the axle.
- [NTSB ANC93FA033](https://openairdocs.org/ntsb/ANC93FA033.md): Bell 214B1 · Ketchikan, AK · Accident · 2 fatal · Field investigation · Final report · Feb 19, 1993 · N114CR · Destroyed
  > Inadequate maintenance of the hydraulic servo actuator which led to the fatigue failure and loss of flight control. In addition, the flightcrew did not, or was unable to, jettison the external load. Factors which contributed to the accident were: the pilot…
- [NTSB CHI93LA091](https://openairdocs.org/ntsb/CHI93LA091.md): Beech 77 · Evansville, IN · Accident · Minor injuries · Limited investigation · Final report · Feb 18, 1993 · N3733B · Substantial damage
  > The partial failure of the normal brake system.
- [NTSB DEN93IA027](https://openairdocs.org/ntsb/DEN93IA027.md): Boeing 757-222 · Grand Junction, CO · Incident · No injuries · Incident investigation · Final report · Feb 14, 1993 · N508UA · No damage
  > Failure of the left generator control unit (gcu), integrated drive generator (idg), right (side) engine indicator and crew alert system (eicas), and bus tie bar (btb).

Next page: https://openairdocs.org/ntsb.md?occurrence=130&page=40

## 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=39

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