Duty Time - FTL Calculator
FTL Calculator - Duty Time
About
This application helps aviation professionals calculate flight duty periods, rest periods, and cumulative limits according to EASA regulations. It offers offline functionality and supports single, augmented, and double crew configurations for accurate operational planning.
What's New in Duty Time
1.2
May 26, 2026
WOCL (Window of Circadian Low) now correctly uses body clock time based on acclimatization. When departing from an outstation after less than 48 hours, the app now applies the home base timezone for WOCL calculation as required by EASA ORO.FTL regulations.
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FAQ
What is Duty Time?
Duty Time is a professional EASA FTL calculator designed for aviation professionals. It helps calculate flight duty periods, rest periods, and cumulative limits according to EASA regulations.
Does Duty Time require an internet connection?
No, Duty Time is 100% offline and works without any internet connection, making it ideal for use in the cockpit.
What crew configurations does Duty Time support?
Duty Time covers all three EASA crew configurations: Single, Augmented (3-pilot), and Double (4-pilot) crew.
How does Duty Time handle rest period calculations?
Duty Time provides calculations for both home base and away from base rest periods, including time zone difference penalties and returning to home base charts.
Can Duty Time track cumulative flight and duty hours?
Yes, Duty Time features a cumulative limits tracker for block hours, duty hours, and FDP extension usage, with color-coded progress bars to indicate proximity to limits.
Is Duty Time compliant with EASA regulations?
Yes, Duty Time is built and verified against the EASA ORO.FTL regulation text, specifically covering limitations for flight duty periods, rest periods, standby, and cumulative limits.
What is the price of Duty Time?
Duty Time is a paid application priced at $4.99.
Does Duty Time have ads?
No, Duty Time does not contain advertisements. It is a paid application designed for professional use without interruptions.