Related Clues:
- Certain Greek letters
- Google Maps offerings: Abbr.
- Zetas' followers
- Cockpit predictions
- Letters from Thessaly
- AAA concerns
- MapQuest suggestions: Abbr.
- Airplane passengers may check them: Abbr.
- They precede thetas
- Incoming plane stats.
- Highways with nos.
- Headwinds may affect them, briefly
- JFK stats
- GPS displays
- In-flight estimates, for short