Come on LetMFly...it's only 'cos of your vectoring that helicopters have to do silly speeds to short final
Pack 2 - my mate LetMFly is right though, there is no requirement although in order to maintain separation it is a commonly used procedure down both final approach tracks at ISZ. The figure of 160kts to 4DME has gradually become a generally acceptable speed that seems to suit most types from twin props to medium twin jets. But if you want to fly at a different speed - just ask!
