Watch out for southern LTMA base - now 5500ft

[peterh337]

It was FL055 for many years, and with a QNH greater than 1013 (like today) you can bust it by flying at FL054 etc - if you haven't got the latest VFR chart which only came out very recently.

I bet there are many other places.

[chevvron]

As it's under the LTMA, the transition altitude will already be 6000ft.