Related Clues:

• Info for air traffic control
• When a plane is due: Abbr
• H, as in 'Hellenic'
• Info for a limo driver
• When the plane should come down
• Chapter seven?
• H-shaped Greek letter
• Leaving guess: Abbr
• Letter of Greek alphabet
• Greek 'e'
• Basque separatist movement in Spain
• Greek character in terrorist organisation
• Foreign character seen in the taxi
• Greek character hidden by secret agent
• Letter regularly sent to Associate