4.2.6 Possible developments of multiple mode of operation

Even though, at the time of publication of this document, there is only one SESAR Solution published related to multiple mode of operation, future research and validation activities as well as development of technology may potentially extend the possible operational context of multiple mode of operation. In this regard, it can be noted that validation activities comprising three simultaneous aerodromes have already been performed in SESAR 1 and that continued research, evaluating the multiple mode of operation concept beyond the scope of SESAR Solution #52, i.e. higher traffic volumes and increased number of simultaneous aerodromes, is within SESAR 2020. The number of aerodromes to be simultaneously provided with ATS from one RTM will ultimately be dependent on a number of factors, such as traffic levels and how the traffic schedule at each aerodrome intersects with the others, meteorological conditions at the aerodromes, technical configuration, support functions, etc. (see Section 4.2.1). The foundation for such evolution will, however, be dependent on gained operational experience and trust.