Related Clues:

• H-shaped letter
• World record suffix
• Not an exact fig.
• Schedule slot letters
• Sched. listing
• Time zone
• The 'A' in E.T.A.: Abbr.
• D.C. clock setting
• Cockpit approximation
• TV sched. abbr.
• In-flight guesstimate
• Plato's seventh letter
• Capt.'s guess
• LAX board stat
• TV sked abbr.