There are various types of simultaneous operations on converging/intersection runways in operation at airports all over the world. All are related to achieving maximum use of runways. It is expected that, as pressure on airport capacity grows, more and more of those procedures will be introduced. At this stage, it appears that little coherent work is being done by ICAO to harmonise converging runway operations, and it is therefore paramount for IFATCA to have concise Policy on such procedures.
IFATCA Policy is:
Simultaneous Operations of Intersecting/Converging Runways should only take place under the following conditions:
- The ATC facilities involved have the appropriate equipment, staffing levels, and training;
- The appropriate risk analysis has been carried out involving pilots and controllers, which shall include simulation and real-time trials utilising data from the local airport and operators intending to operate with these procedures;
- Independent runway operations or Avoidance Procedures have been established;
- The procedures detail acceptable meteorological conditions, especially relating to wind conditions, cloud base, visibility and windshear, as well as runway conditions. If the procedure requires the participating aircraft to remain in VMC, the minimum ceiling required for CROPS shall be above the minimum radar vectoring altitude;
- Aircraft experiencing operational difficulties are excluded from CROPS procedures; and
- The responsibilities for separation are clearly defined between the aerodrome- and approach control unit
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