[21] Added Departure procedures to air traffic

Is this fixed as stated?
Yes
No
Partial

Provide extra information to complete the original description of the issue:

Take-off procedure is still extremely slow, the aircraft often take off far too early and climb very slowly. A four-engine airliner (AI Traffic) was still only at 5000ft AGL after about 15 miles after take-off.

If relevant, provide additional screenshots/video: