- acclimatised
means a state in which a crew member’s circadian biological clock is synchronised to the time zone where the crew member is.
- accommodation
means, for the purpose of standby and split duty, a quiet and comfortable place not open to the public with the ability to control light and temperature, equipped with adequate furniture that provides a crew member with the possibility to sleep, with enough capacity to accommodate all crew members present at the same time and with access to food and drink;
- air taxi operation
means, for the purpose of flight time and duty time limitations, a non-scheduled on demand commercial air transport operation with an aeroplane with a maximum operational passenger seating configuration (“MOPSC”) of 19 or less.’;
- airport standby
means a standby performed at the airport;
- augmented flight crew
means a flight crew which comprises more than the minimum number required to operate the aircraft, allowing each flight crew member to leave the assigned post, for the purpose of in-flight rest, and to be replaced by another appropriately qualified flight crew member;
- break
means a period of time within a flight duty period, shorter than a rest period, counting as duty and during which a crew member is free of all tasks;
- delayed reporting
means the postponement of a scheduled FDP by the operator before a crew member has left the place of rest;
- disruptive schedule
means a crew member’s roster which disrupts the sleep opportunity during the optimal sleep time window by comprising an FDP or a combination of FDPs which encroach, start or finish during any portion of the day or of the night where a crew member is acclimatised.
- duty
means any task that a crew member performs for the operator, including flight duty, administrative work, giving or receiving training and checking, positioning, and some elements of standby;
- duty period
means a period which starts when a crew member is required by an operator to report for or to commence a duty and ends when that person is free of all duties, including post-flight duty;
- flight time
means, for aeroplanes and touring motor gliders, the time between an aircraft first moving from its parking place for the purpose of taking off until it comes to rest on the designated parking position and all engines or propellers are shut down;
- home base
means the location, assigned by the operator to the crew member, from where the crew member normally starts and ends a duty period or a series of duty periods and where, under normal circumstances, the operator is not responsible for the accommodation of the crew member concerned;
- local day
means a 24-hour period commencing at 00:00 local time;
- local night
means a period of 8 hours falling between 22:00 and 08:00 local time;
- night duty
means a duty period encroaching any portion of the period between 02:00 and 04:59 in the time zone to which the crew is acclimatised;
- operating crew member
means a crew member carrying out duties in an aircraft during a sector;
- other standby
means a standby either at home or in a suitable accommodation;
- positioning
means the transferring of a non-operating crew member from one place to another, at the behest of the operator, excluding:
- reference time
means the local time at the reporting point situated in a 2-hour wide time zone band around the local time where a crew member is acclimatised;
- reserve
means a period of time during which a crew member is required by the operator to be available to receive an assignment for an FDP, positioning or other duty notified at least 10 hours in advance;
- rest facility
means a bunk or seat with leg and foot support suitable for crew members’ sleeping on board an aircraft;
- rest period
means a continuous, uninterrupted and defined period of time, following duty or prior to duty, during which a crew member is free of all duties, standby and reserve;
- sector
means the segment of an FDP between an aircraft first moving for the purpose of taking off until it comes to rest after landing on the designated parking position;
- single day free of duty
means, for the purpose of complying with the provisions of Council Directive 2000/79/EC, a time free of all duties and standby consisting of one day and two local nights, which is notified in advance.
- standby
means a pre-notified and defined period of time during which a crew member is required by the operator to be available to receive an assignment for a flight, positioning or other duty without an intervening rest period;
- suitable accommodation
means, for the purpose of standby, split duty and rest, a separate room for each crew member located in a quiet environment and equipped with a bed, which is sufficiently ventilated, has a device for regulating temperature and light intensity, and access to food and drink;