AMC1 ORO.FTL.205(f) Flight Duty Period (FDP)

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AMC1 ORO.FTL.120(b)(7)

Fatigue Risk Management (FRM)

AMC1 ORO.FTL.210(c)

Flight Times and Duty Periods

ORO.FTL.205 Flight Duty Period (FDP)


(a)       As general guidance when developing a commander’s discretion policy, the operator should take into consideration the shared responsibility of management, flight and cabin crew in the case of unforeseen circumstances. The exercise of commander’s discretion should be considered exceptional and should be avoided at home base and/or company hubs where standby or reserve crew members should be available. Operators should asses on a regular basis the series of pairings where commander’s discretion has been exercised in order to be aware of possible inconsistencies in their rostering.

(b)       The operator’s policy on commander’s discretion should state the safety objectives, especially in the case of an extended FDP or reduced rest and should take due consideration of additional factors that might decrease a crew member’s alertness levels, such as:

(1)   WOCL encroachment;

(2)   weather conditions;

(3)   complexity of the operation and/or airport environment;

(4)   aeroplane malfunctions or specifications;

(5)   flight with training or supervisory duties;

(6)   increased number of sectors;

(7)   circadian disruption; and

(8)   individual conditions of affected crew members (time since awake, sleep-related factor, workload, etc.).

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