GM1 ATS.TR.237(b) Dynamic
reconfiguration of the U-space airspace
ED Decision 2022/023/R
EFFECTIVE COORDINATION
(a) Establishing a preset, minimum advance notice (in terms of time) could be difficult in many instances; however, analogy may be found in this respect in EUROCAE ED-269 ‘Minimum Operational Performance Standard for UAS Geo-Fencing’ (published on 1 June 2020), which specifies the minimum performance expected from a geofencing function to ensure that it will perform its intended sub-functions satisfactorily under all conditions normally encountered in a routine aeronautical operation.
(b) EUROCAE ED-269 indicates the issue of a caution alert to the UAS operators when the location where the operations are taking place is to become forbidden soon and will have to be exited soon enough to enable exit before active restriction; for example; considering the distance to fly back to the authorised limit (or distance to exit) divided by the anticipated ground speed to do so. A minimum value of 2 minutes is suggested. It is also recommended to have an advisory alert before the caution alert (either 10 minutes or 5 times the caution anticipation time).
(c) In any case, when data that results from the dynamic airspace reconfiguration is made available as part of the common information service, it may include starting/ending time of the reconfiguration; otherwise it is intended to be immediately applicable, until further notice.
(d) Except for emergency situations, coordination between air traffic control units and U-space service providers should allow for the completion of any authorised UAS flight that has started already, possibly through a revised UAS flight authorisation. In circumstances where the air traffic control unit considers that this would inappropriately postpone the airspace reconfiguration, UAS operators should at least be allowed sufficient time to reposition unmanned aircraft according to the adjusted geographical limits of the U-space airspace, or to safely proceed, without delay, to a landing site.
EASA regulations for U-space airspace dynamic reconfiguration emphasize effective coordination. UAS operators receive timely alerts about impending airspace changes, allowing safe repositioning or landings. Airspace data includes reconfiguration start/end times. Except in emergencies, ongoing UAS flights should complete, potentially with revised authorization, before reconfiguration.
* Summary by Aviation.Bot - Always consult the original document for the most accurate information.
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