In the eighties in The Gulf, and no reason to suspect things have changed, Sheikh Al Shagalott, and his sidekick, Mustapha
would stand by their limos a few yards away until STD + 10 or so.
They'd then climb aboard (the limos) and be driven to the aircraft.
Certainly showed everyone how important they were.
p.s. STD refers to Scheduled Time of Departure , not the venereal condition of the aforementioned 'VIPs'.