AMC1 ATS.TR.210(c)(1) Operation of air traffic control
ED Decision 2020/008/R
PROCEDURAL
SEPARATION — SEPARATION OF AIRCRAFT HOLDING IN FLIGHT
(a) Aircraft established in adjacent holding patterns should, except when lateral separation between the holding areas exists as determined by the air traffic services provider and approved by the competent authority, be separated by the applicable vertical separation minimum.
(b) Except when lateral separation exists, the air traffic controller should apply vertical separation between aircraft holding in flight and other aircraft, whether arriving, departing or en-route, whenever the other aircraft concerned are within 5 minutes flying time of the holding area or within a distance established by the air traffic services provider and approved by the competent authority (see Figure 2).
Figure 2 Separation between holding aircraft and en-route aircraft