Related Clues:

• O'Hare monitor abbr.
• Onetime jet insignia
• Info at JFK
• JFK info
• One-time Howard Hughes company
• Control tower news: Abbr.
• H, to Homer
• Landing info: Abbr.
• Itinerary info
• Part of a U.S.A.F. schedule
• Airport posting
• Zeta-theta connection
• Platonic letter?
• SAS listing: Abbr.
• Campus letter