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.
What's new (v2.2.1 (7))
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.