Originally Posted by
TangoAlphad
TL usually occurs at a very high workload time and getting near MSA. Risk of it being forgotten so most airlines call for QNH to be set on receiving a clearance to an altitude. Risk of hitting the ground or commencing an approach on 1013 accidently is more of a concern to me than not referencing 1013 above TL.
I agree with this entirely. This I why I said I can't see any benefit in not switching to the qnh when you are cleared to an altitude.
And, just as Pringle says, our TL is on the ATIS so I never pass it unless requested.
I don't work up north so I have no experience of the HIAL operation.