Got it, so essentially, when you're entering a control zone and communicating with a tower, there's no need to inform them about starting your descent. They're already aware of your altitude and expect you to descend when necessary. If there's traffic, they'll give you specific instructions to ensure safety. Otherwise, it's up to your discretion. Thanks for clarifying!killer84 wrote: ↑Fri Nov 30, 2007 8:22 pm Long story short, if you are entering a control zone talking to a tower, you don't need to tell them you are starting descent. In fact, don't, it's not necessary at all. When you call up at 8500, the tower controller knows that you need to descend at some time. When you do is up to you. If there is traffic, the controller will restrict you (ie ABC cleared left base, not below 5000 until advised). If there is traffic and the controller doesn't restrict you, he is essentially "hoping" that you don't start your descent until you're by the traffic. That shouldn't happen. Webcam test
Same thing for when you take off. When you are cleared for takeoff, you don't need to tell the tower that you're starting your climb.
VFR entering controlled airspace, permitted to descend?
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