|Quoting Lsgg (Reply 2):|
In my case, I've hardly ever heard a callsign with heavy in Switzerland or France. But I know it exist but....
|Quoting ATCRick (Reply 1):|
Any aircraft with a max takeoff weight of 300,000 lbs or more are considered "heavy". It also means more stringent wake turbulence and separation rules for ATC. The only aircraft that is called heavy and weighs less than 300,000 lbs is the 757 because of the strong wing tip vortices that it generates.
The threshold for "heavy" here in the US used to be anything -capable- of a MTOW of 300,000 lbs or more. A few years back, the threshold was changed to anything -capable- of 255,000 lbs. or more.
There are some 757-200 aircraft out there that fall -below- the 255,000 threshold, and while not "technically" heavies, they still are treated as such for separation purposes. Some 757-200s are -above- 255,000, and they and the 757-300s are all heavies by definition.
Some airlines may have mixed 757-200 fleets, with some below 255,000 and some above 255,000, and as far as I know, there's no way to tell them apart by looking at them. Accordingly, it's quite possible that sometimes pilots or controllers might say "heavy" when they shouldn't, and anyone listening in on a scanner might also get the wrong idea that -all- 757-200s are heavies...
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