Don't know if it was a genuine mistake, a spoof or an urban myth but:
When I was in Sharjah there was a story going around of a bemused young squaddie found wandering around Bahrein - looking for the Railway Station.
His orderly room (allegedly) seeing that the VC10 only took him to Muharraq when he wanted to go to Sharjah, simply gave him a rail warrant from Bahrein to Sharjah ....