Originally Posted by
mocoman
Does the system get data on instantaneous IAS or does it return the speed set in the MCP?
So, what would occur on-screen if say 7KD reads back FL120 but puts FL110 in the MCP thus putting itself in potential conflict with the Shamrock? Is there any in-built STCA in the VSL?
Thanks
The Mode S data shows the instantaneous IAS.
At present there is nothing to indicate two aircraft with the same selected flight level in the holding stack, apart from the controller noticing of course. The normal STCA works and will flash in the stack list too. There is a feature being implemented some time soon which will highlight aircraft with the same SFL which are populated in the same stack list. It's quite a clever feature too, as from what I remember from the presentation, if for example an aircraft at FL120 selected FL90 which is vacant and there happens to be an aircraft at say FL100, it will detect the conflict and highlight it in the stack list.
I'm not sure when it is being implemented though.