Related Clues:
- Viscosity symbols
- Flight data, briefly
- Letters for Zorba?
- O'Hare postings
- Circle constants
- Announcements from the cockpit, briefly
- Letters from the Corinthians
- Particles of the lepton family
- College sweater letters
- Short-lived particles
- JFK postings
- Brief in-flight announcements
- Airline info, for short
- Greek letters
- Cockpit guesses