Possible Clues:

• High-fliers flying high?
• Regular users of aeroplane black box
• The leisure class
• Latter-day nomads
• Wealthy group of flyers
• In France I backed examination of frequent flyers
• Across the Channel, I take special exotic trips, primarily with this lot
• Wealthy hedonists' pet rhymes
• Social elites on the go
• The rich and fashionable