(06 Jan 2014, 10:47 pm)CatsFast101 wrote What is the usual allocation for that? I don't the PVR of the X1 to know if there's an Red Arrows bus spare during daytime or what not?
It is usually a branded Gemini that works it.
That's what has thrown me over the years.
Quite often an ex-London President can be seen on the x1, whilst the 921 can be more or less guaranteed to be worked by the Gemini.