After some clarification on a couple of questions, thanks in advance.
1.which of the following is correct RT?
a. climb to 4000 feet, QNH 1015
b. descend to altitude 4000f eet, QNH 999
c. climb to flight level 230.
2. under a RA sevice, FL90 am i right in thinking that the max speed is 250kts?
3. ( for you LHR chaps), is N1 and N3 Rw27L considered NOT to be an intersection for wake seperation purposes?
4. finally, A319 following B757 into LHR, nice day, what is the minimum spacing required on approach?
Thanks.