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A Federal Aviation Administration (FAA) study of 55 human-factor aviation accidents from 1978 to 1999 concluded that number accidents increased proportionally to the amount of time the captain had been on duty. [7] The accident proportion relative to exposure proportion rose from 0.79 (1–3 hours on duty) to 5.62 ( more than 13 hours on duty).
AIA Flight 808 was the first aviation accident where pilot fatigue was cited as a probable cause. [4] The NTSB issued a recommendation to the Federal Aviation Administration to review and update regulations on crew scheduling and duty time limits to incorporate the latest research into the effects of fatigue. [1]
Fatigue 12 The accident was caused by a fatigue crack in the spline, which ultimately caused the power transmission shaft to fail. The helicopter crashed into the sea. [13] 1997-12-19 SilkAir Flight 185: Musi River, Palembang, Indonesia Boeing 737-300: Pilot suicide (disputed by NTSC) 104
Why the hours of service are important: a graph outlining the relationship between number of hours driven and the percent of crashes related to driver fatigue. Source: Federal Motor Carrier Safety Administration [1] Fatigue is a major safety concern in many fields, but especially in transportation, because fatigue can result in disastrous ...
On September 8, 2023, the NTSB published their final report on the accident. The report revealed that the fatigue failure in the right engine was due to inadequate inspections and insufficient frequency of inspections to catch low-level crack indications. The low-level cracks continued to propagate until their ultimate failure.
This program includes a wide array of aviation-related activities specific to the pilot and assesses health, fatigue, weather, capabilities, etc. [7] The pilot decision-making process is an effective five-step management skill that a pilot should conduct to maximize success chance when facing an unexpected or critical event.
Contributing to the accident were the pilots' failure to make standard callouts and the current Federal Aviation Regulations that allow pilots to descend below the minimum descent altitude into a region in which safe obstacle clearance is not assured based upon seeing only the airport approach lights.
The probable cause of the accident was determined to be the failure of the propeller due to undiscovered metal fatigue in one blade resulting from corrosion from chlorine. [1]: v Two previous failures of the same type of propeller had occurred, but those aircraft had been able to land safely.