Track Scheduled and Actual Flight Times in Zulu, Local, or Domicile time zones. Organize Aircraft, Crew changes, Delay and Mechanical Information for each flight. Calculate FAR 121 duty limitations and evaluate FAR 121 rest requirements. Manage your Monthly Schedule and Datebook from your PDA. Alerts for duty, rest, and contractual limitations including an Alarm Clock to keep you on-time. Free, easy to use Schedule Importer.