Related Clues:

• Airport announcement
• Flying letters
• Greek 'I'
• SFO posting
• Socratic "H"
• Socratic H
• Greek "i"
• Ninth in a series
• Kappa's preceder
• JFK datum
• Aristotle's H
• 11-Across posting
• In-flight info: Abbr.
• JFK stat
• Guess at LAX