Air Mail
Had it from the horses mouth the other day, one of the pilots let slip that all the BAC Sheds were going (don't know about the FK27s but I assume so), and they were all being replaced by ATRs for the "Fedex Contract".
Whether this means that BAC are pulling out of night mail all together, I don't know, can the ATRs take the palletised units the Post Office intend to use come October?