Free
About
Aircraft Engineer Toolkit is a clean aviation maintenance utility app for aircraft engineers and technicians.
The app provides practical local tools for daily maintenance support, including MEL expiry calculation, UTC time reference, ATA chapter lookup, unit converters and airport reference tools.
Key tools:
• MEL Calculator with UTC-based expiry dates
• Airport Wind with live METAR wind, gust and raw report
• Airport Info with ICAO/IATA lookup, airport details and map location
• UTC Clock with UTC and local time
• ATA Reference with searchable ATA chapters
• Fuel Converter
• Oil Converter
• Torque Converter
• Pressure Converter
• Home Screen widgets for MEL, UTC and Airport METAR
Aircraft Engineer Toolkit is designed for single-user, local-first use. No login is required.
Disclaimer:
This app is a reference and calculation aid only. Always follow approved aircraft maintenance documentation, company procedures and regulatory requirements.
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What's New in Aircraft Engineer Toolkit
1.2.0
July 12, 2026
Version 1.1 adds new aviation maintenance tools, widgets and workflow improvements. • Added Airport Wind with live METAR wind and gust information • Added Airport Info with ICAO/IATA lookup, airport details and map location • Added Oil Converter for liters, US quarts and kilograms • Added Airport METAR Home Screen widget • Added alternate MEL and UTC widget designs • Added Home favorites with custom ordering • Improved MEL Calculator with defect entry date, copy actions and category day details • Added ATA chapter detail pages • Added in-app language selection • Improved UI, reliability and localization
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