Related Clues:

• N N N
• Sleuths, for short
• Homeric H's
• Letters from Greece?
• Dispatcher's concerns
• TV's Magnum and Rockford, for two
• Sched. guesses
• Letters before xis
• Latitude indicators
• Airport guesses, briefly
• Airport tower data
• H-like letters
• Itinerary nos.
• 45-Across info
• Sked stats