FARs Part 121 FDP Calculator
by: Aviation Technologies • 16
The FAA is issuing this final rule to address the risk that fatigue poses to passenger operations conducted under 14 CFR part 121. Part 121 applies to the majority of flights flown by the American public. As such, changes to the existing flight, duty and rest rules in part 121 will directly affect the flying public. This rule applies to all part 121 passenger operations, including traditional scheduled service and large charter operations.
The FAA has removed the existing distinctions between domestic, supplemental and flag passenger operations because the factors leading to fatigue are universal and addressing the risk to the flying public should be consistent across the different types of operations.
Key components of this final rule for commercial passenger flights include:
Varying flight and duty requirements based on what time the pilot’s day begins. The new rule incorporates the latest fatigue science to set different requirements for pilot flight time, duty period and rest based on the time of day pilots begin their first flight, the number of scheduled flight segments and the number of time zones they cross. The previous rules included different rest requirements for domestic, international and unscheduled flights. Those differences were not necessarily consistent across different types of passenger flights, and did not take into account factors such as start time and time zone crossings.
Flight duty period. The allowable length of a flight duty period depends on when the pilot’s day begins and the number of flight segments he or she is expected to fly, and ranges from 9-14 hours for single crew operations. The flight duty period begins when a flightcrew member is required to report for duty, with the intention of conducting a flight and ends when the aircraft is parked after the last flight. It includes the period of time before a flight or between flights that a pilot is working without an intervening rest period. Flight duty includes deadhead transportation, training in an aircraft or flight simulator, and airport standby or reserve duty if these tasks occur before a flight or between flights without an intervening required rest period.
Flight time limits of eight or nine hours. The FAA limits flight time – when the plane is moving under its own power before, during or after flight – to eight or nine hours depending on the start time of the pilot’s entire flight duty period.
10-hour minimum rest period.The rule sets a 10-hour minimum rest period prior to the flight duty period, a two-hour increase over the old rules. The new rule also mandates that a pilot must have an opportunity for eight hours of uninterrupted sleep within the 10-hour rest period.
New cumulative flight duty and flight time limits.The new rule addresses potential cumulative fatigue by placing weekly and 28-day limits on the amount of time a pilot may be assigned any type of flight duty. The rule also places 28-day and annual limits on actual flight time. It also requires that pilots have at least 30 consecutive hours free from duty on a weekly basis, a 25 percent increase over the old rules.
The updated version of the applications has been modified in order to calculate the FDP limit and Rest Requirements according to the FAA’s final rule.
FDP, FDP limit calculation with detailed explanation
Flight Time limit and Minimum Required Rest.
Extended due to unforseen circumstances
4 pilot crew
applicable Rest Facility.
This version is a 7 days full featured Trial.
Full version available in http://slideme.org/en/application/part-121-fdp-calculator
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