Originally Posted by airbubba
Absolutely. Some of those SID's in the UK have you take off on the local altimeter setting, start turning to several waypoints whilst [sic ] hitting altitude constraints like 4000 feet. You can't start cleaning up the aircraft other than raising the gear until 3000 feet AGL and just as you are retracting the flaps
I think you'll find that 3,000' AAL is the maximum clean up altitude in UK airspace. 800' to 1,000' is the standard thrust reduction and acceleration. Noise abatement is based on track and not altitude...