BLR Limits
Oliver Buterbaugh Reference iPhoneiPadiPod touch
BLR Limits is a free Reference app for iPhone and iPad by Oliver Buterbaugh. Rated 5.0/5 from 1 ratings. Requires iOS 18.0. Updated March 15, 2026.
- Rating
- 5.0
- 1 ratings
- Price
- Free
- on the App Store
- Size
- 22 MB
- Age 4+
- Updated
- Mar 15
- 2026 · v1.2.0
Screenshots
About BLR Limits
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.
What’s new
Version 1.2.0 · Updated March 15, 2026
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
App privacy
The developer, Oliver Buterbaugh, reported these privacy practices to Apple.
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Usage Data: Product Interaction
- Diagnostics: Crash Data, Performance Data
Used for: Analytics
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