Advanced ATC tower procedures require pilots to use ADS-B data and follow specific operational protocols during ground movements.
Period of Applicability
2025-07-08 19:00 - 2025-10-08 23:59
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Interpretation
Advanced ATC tower procedures are in progress, requiring ADS-B data for operations. Pilots must select the appropriate mode for ADS-B functionality during ground operations and enter their aircraft identification at push-back. TCAS should not be activated until clearance to line up is received and must be deselected after vacating the runway.
Message
ADVANCED ATC TOWER PROCEDURES IN PROGRESS.A-DPI AND C-DPI MESSAGES ARE SENT TO NMOC AND ARE USED FOR AIR TRAFFIC FLOW MANAGEMENT(ATFM) PURPOSES.AOBT(ACTUAL OFF BLOCKS TIMES)FOR ALL DEPARTING IFR FLIGHTS. 1.1.ADS-B DATA REQUIRED FOR OPERATIONS. 1.1.1.FOR ADS-B TESTS USED BY THE AD OPERATOR AND EUROCONTROL, PILOTS OF AIRCRAFT EQUIPPED WITH MODE S AND ADS-B FUNCTIONALITY MUST,WHEN OPERATING ON THE GROUND: A)SELECT AUTOMATIC MODE AND THE ASSIGNED MODE A,OR B)IF AUTOMATIC MODE IS NOT AVAILABLE,SELECT ON AND THE ASSIGNED MODE A -FROM THE REQUEST OF PUSH-BACK. -AFTER LANDING, UNTIL THE AIRCRAFT HAS STOPPED ON ITS STAND. -WHEN THE AIRCRAFT IS FULLY PARKED,THE PILOT SHALL SELECT STBY. 1.1.2. WHEN THE AIRCRAFT IS CAPABLE OF COMMUNICATING ITS IDENTIFICATION(I.E THE CALL SIGN USED IN FLIGHT),THIS MUST BE ENTERED (VIA THE FMS OR TRANSPONDER CONTROL PANEL)AT THE TIME OF THE PUSH-BACK REQUEST. 1.1.3. THE CREW MUST USE THE FORMAT DEFINED BY ICAO TO ENTER THE AIRCRAFT IDENTIFICATION. 1.1.4.IN ORDER NOT TO COMPROMISE THE PERFORMANCE OF SYSTEMS BASED ON SSR FREQUENCIES (INCLUDING AIRBORNE TCAS AND SSR RADARS),TCAS SHOULD NOT BE SELECTED BEFORE RECEIVING CLEARANCE TO LINE UP,AND SOULD BE DESELECTED AFTER VACATING THE RUNWAY.