1. Surveillance data requirements U.K.
1.1.All surveillance chains referred to in Article 4(3) shall provide as a minimum the following surveillance data:U.K.
(a)
2D positional data (aircraft horizontal position);
(b)
surveillance data status:
cooperative/non-cooperative/combined;
coasted or not;
time of applicability of 2D positional data.
1.2.In addition, all cooperative surveillance chains referred to in Article 4(3) shall provide as a minimum the following surveillance data:U.K.
(a)
vertical positional data (based upon pressure altitude received from the aircraft);
(b)
operational identification data (aircraft identity received from the aircraft like aircraft identification and/or Mode A code);
(c)
supplemental indicators:
emergency indicators (i.e. unlawful interference, radio failure and general emergency);
special position indicator;
(d)
surveillance data status (time of applicability of vertical position data).