Aircraft stand markings
Aircraft stand markings shall include such elements as stand identification , lead- in line, turn bar, turning line, alignment bar, stop line and lead-out line, as are required by the parking configuration and to complement other parking aids.
It looks like this:
Why?
This can help pilots in the game find a gate that can accommodate their plane size and to help pilots park in the correct spot in the gate. This will also add tremendous realism benefits