AIRPORT CODES
'(<a href="http://www.j-archive.com/media/2011-11-02_J_28.jpg" target="_blank">Kelly of the Clue Crew sits in a Qantas flight simulator in Australia.</a>)  The Qantas A380 flight simulator has a training visual database of over 130 airports, naturally including Australia's busiest one, which goes by this 3-letter code'
SYD