BLR Limits

Crew FDP Calculator

Free · In-App Purchases

Calculate your Flight Duty Period limits and push-by times instantly. BLR Limits cross-references operator and regulatory schemes to give you clear, side-by-side limit cards for every crew configuration - so you always know when the clock runs out. Key Features: • Side-by-side operator and regulatory limit cards for two, three, and four crew configurations • Push-by times calculated from your report time, block hours, taxi, and sector count • Colour-coded urgency - green, yellow, orange, and red as deadlines approach • Full audit trail for every calculation - see exactly how each limit was derived, step by step • Flag any calculation you believe is incorrect, directly from the audit view • Favourite routes for quick access • Calculation history - tap a recent route to reload it instantly • Supports acclimatisation status, rest class, and pre-report rest inputs • Dark mode interface designed for the flight deck Currently supported Schemes: • BAW operator limits • EASA FTL regulatory limits Disclaimer: Independent FDP calculator for pilots. Not affiliated with, endorsed by, or connected to EASA, the UK CAA, or any other regulatory or operator body. This app is for educational and reference purposes only. All operational decisions must be based on approved company manuals and official documentation. The developer assumes no liability for operational use of calculated values.

Ratings & Reviews

  • 5.0
    out of 5
    14 Ratings

UI Overhaul • Completely redesigned UI • Flight inputs and limit cards now side-by-side on iPad for intuitive and quick calculation • View scheme tables directly • Built with Liquid Glass for iOS 26 Other fixes • App now reflects new down-route briefing times and exceptions as per FAN 174/24 • Patched bug not recognising certain routes

Version 1.2.0

The developer, Oliver Buterbaugh, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Usage Data
    • Diagnostics

Privacy practices may vary based, for example, on the features you use or your age. Learn More

Accessibility

The developer has not yet indicated which accessibility features this app supports. Learn More

Information

  • Provider
    • Oliver Buterbaugh
  • Size
    • 22.7 MB
  • Category
    • Reference
  • Compatibility
    Requires iOS 18.0 or later.
    • iPhone
      Requires iOS 18.0 or later.
    • iPad
      Requires iPadOS 18.0 or later.
  • Languages
    • English
  • Age Rating
    4+
  • In-App Purchases
    Yes
    • First Tip £9.99
    • Club Tip £4.99
    • Traveller Tip £1.99
    • First £9.99
    • Club £4.99
    • Traveller £1.99
    • Learn More
  • Copyright
    • © 2026 Oliver Buterbaugh
  • Privacy Policy

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