The first letter of each data line is the action code. In the case of a confirmed request action code K is used.
Example of confirming a new full season series linked request (arrives then departs)
SCR
S09
05FEB
LHR
KAF700 AF701 30MAR23OCT 1234500 290AB3 NCE0900 1030NCE JJ
GI BRGDS
Example where no possible slots can be allocated action code U is used (arrives then departs)
SCR
S09
05FEB
LHR
UAF700 AF701 30MAR23OCT 1234500 290AB3 NCE0900 1030NCE JJ
/ CA.R060 CD.R060/
GI BRGDS
Additional information line provides the coordinator reason code i.e. runway capacity is full for at least the 60 minute period.
Example where request is not possible but coordinator offers alternative timings action code U and O are used.
SCR
S09
05FEB
LHR
UAF700 AF701 30MAR23OCT 1234500 290AB3 NCE0900 1030NCE JJ
/ CA.R060 CD.R060/
OAF700 AF701 30MAR23OCT 1234500 290AB3 NCE0815 045NCE JJ
/ CA.R060 CD.R060/
GI BRGDS
Additional information line provides the coordinator reason code i.e. runway capacity is full for at least the 60 minute period.
The offer made by the coordinator must be replied to within 3 business days.