Air carriers operating to and from coordinated airports must submit a request for the allocation of landing and/or take-off slots to the coordinator and receive approval before operating. According to Article 2, paragraph G, of Council Regulation 95/93 state flights, emergency landings and humanitarian flights are exempted. Messages must be sent through the SCR format (Slot Clearance Request/ Response) in conformity with chapter 6 of the IATA Standard Schedules Information Manual (SSIM). Processing may take up to three full business days
All requests must be submitted in UTC times. When a slot cannot be allocated as requested, offers made by the coordinator will be valid for the duration of three full business days. If no reply is received, the offer will be cancelled without notice.
The Council Regulation (EC) No 95/93, as amended, and the Worldwide Airport Slot Guidelines (WASG), latest and current edition, are the basis for allocation within the limits of the capacity declaration.
In addition, ACNL published the working procedures, such as:
ACNL has published five (5) policy rules to clarify in which way ACNL will operate regarding the concerning subjects.
After notification and confirmation by the coordinator:
- transfer by a carrier from one route to another or from one type of service to another operated by that same carrier
- transfer in case of a (partial) take over, the acquisition of control over the capital of an air carrier and between parent and subsidiary companies and between subsidiaries of the same parent company
THE SCHEDULING CALENDAR
The scheduling calendar is not based on the year, but on two scheduling seasons, Summer and Winter, defined as following:
- IATA Summer Season – starts on the last Sunday of March and ends on the last Saturday of October
- IATA Winter Season – starts on the last Sunday of October and ends on the last Saturday of March