The minimum noise corridors are drawn to appease the local community and the SIDs designed to fit them. The MONTY and CONGA SIDs off 06L have to be flown at around 180kts to keep the radius of turn low, but the SRG of the CAA will not publish speeds as part of SIDs. We therefore fly the SIDs, as published, and get violations as a consequence. Welcome to Manchester Airport!