Where use heavy？

ATC
1

There are places in the world where heavy is used and where it is not used, but where exactly is it used?

2

Most probably when youre almost close to full load. (Im not sure)

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3

OK! Thank you!

4

Do you know use “heavy” where country?

5

It is used for any aircraft with an unloaded weight of >136 000 kg to indicate the wake path to ATC.

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6

(I believe!)

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7

Roger. Thank you for your reply.

8
  • J (Super) aircraft types specified as such in Doc 8643 (Aircraft type designators). At present, the only such type is the Airbus A380-800 with a maximum take-off mass in the order of 560 000 kg. (see Airbus A380 Wake Vortex Guidance)
  • H (Heavy) aircraft types of 136 000 kg (300 000 lb) or more (except those specified as J);
  • M (Medium) aircraft types less than 136 000 kg (300 000 lb) and more than 7 000 kg (15 500 lb); and
  • L (Light) aircraft types of 7 000 kg (15 500 lb) or less.
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