Quote:
"Cancel Speed Restrictions" means just that... cancel the 250 below 10,000ft requirement on the SID/STAR. The height requirements still apply.
"Cancel crossing/height requirement at ....." means just that... cancel the height requirements, but the speed restrictions remain.
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I would have thought that summed it up.
If there's no height requirements on the SID, I don't see any other reason why an aircraft can't just climb straight up to it's cruising level, UNLESS they've been given an intermediate level in the mean time. Eg. Approach/departures might clear you to say FL260, and then once you contact Brisbane/Melbourne Centre, they'll clear you to either your cruise level, or another level if they can't get you up to your cruise level yet.
Mick