fivelevel
Mx Friendly References
Free
5-Level gives aircraft maintainers the tools they actually use — no fluff, no subscriptions, just what you need on the flightline.
Features:
• Zulu & local time display
• Julian date calendar
• Preflight due calculator
• Conversion tools
• Searchable ICAO codes
• Apple Watch app with complications
• Home screen widget
Built by a maintainer who got tired of doing math on the back of a 781.
Ratings & Reviews
- This app has not received enough ratings or reviews to display an overview.
NEW FEATURES:
• Fleet Tracking - Track multiple aircraft with tail numbers and PR/BPO times
• Aircraft-specific intervals (C-17 → 144hr, C-5 → 14-day, etc.)
• Custom aircraft types - add your own airframes if not pre-configured
• 144hr/6-day PR/BPO interval added
BUG FIXES:
• Julian date calendar now correct across DST transitions and all timezones
• Fixed visual bugs in Add Aircraft dialog
For reference use only. Always verify with official technical data.
The developer, Adam Moody, 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:
- Location
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Provider
- Adam Moody
- Size
- 26 MB
- Category
- Utilities
- Compatibility
Requires iOS 13.0 or later.
- iPhone
Requires iOS 13.0 or later. - iPad
Requires iPadOS 13.0 or later. - iPod touch
Requires iOS 13.0 or later. - Apple Watch
Requires watchOS 10.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2026 Adam Moody