Related Clues:
- SAS listing: Abbr.
- Campus letter
- Honor society letter
- H, to Herodotus
- Seventh letter of the Greek alphabet
- Part of a flight plan
- Airline's best guess (Abbr.)
- Announcement before the listing of flight connections: Abbr.
- H-shaped letter
- Schedule slot letters
- Sched. listing
- Cockpit approximation
- TV sched. abbr.
- In-flight guesstimate
- Plato's seventh letter