It will be interesting to see how the med-transfers happen with such big gaps between the SAR flights - especially on the East coast.
Taking the Humberside cab on an ECMO to London means no SAR cover between Inverness and wherever the Manston flight relocates to. Once committed to the transfer it would be very tricky to retask.
Similarly if the Newquay aircraft does a similar transfer to London, there is nothing covering the SW approaches between St Athan and Lee on Solent.
Will the ARCC or Southampton MRCC (or whoever ends up controlling the aircraft) release an aircraft for such a transfer or will the sanctity of the UK SAR cover take precedence?
Suddenly a 10-flight solution doesn't look that clever.