climb or descend without prior clearance
two or more aircrafts involved
notfication from pilot of ‘TCAS climb/descend’.
A 'Acknowledge' - S 'Separate' - S 'Silence' - I 'Inform' - S 'Support - T 'Time'
controller shall provide traffic information
TCAS altitude datat is more accurate than radar data
The controller shall resume responsability from providing separation for all affected aircrafts when:
The controller acknowledged a report from the flight crew that the aircraft has resumed the current clearance
The controller acknowledged a report from the pilot that the aircraft is resuming the current clearance and issues an alternative clearance which is acknowledged by the pilot