Related Clues:

• Letter from Thessaly
• LAX datum
• Flight info
• Passenger's concern, in brief
• Hippocrates' H
• Heathrow fig.
• Greek vowels
• Ticket abbr.
• Pilot's update, for short
• Zeta followers
• H look-alikes
• U.S. Airways info
• In-flight info, for short
• Ticket info
• Alphabetic seventh