MEL Expiry Calc
Aircraft MEL calculator
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
Stay fast and organized during line ops.
MEL Date Calc helps you calculate MEL expiries in seconds and keeps your daily callouts in one place. Switch between Local and UTC, log defects by tail, attach Tech Log photos, and generate a clean, share-ready PDF for the day.
The MEL calculator is free to use. Logging, photos, and PDF reporting are available with Pro. Pro also removes ads.
-MEL Dates
Calculate common MEL deadlines (B C D)
View results in Local or UTC
Clear, readable layout designed for quick checks
-Deferred Log (Pro)
Track daily line maintenance callouts by tail
Save key details (defect, WO, TL page)
Mark items as done once actioned (handover, coordination, or system entry)
Search and filter your entries anytime
-Tech Log Photos and PDF Report (Pro)
Attach Tech Log photos to each entry
Generate a daily PDF report with tail MEL category and defect details
Add large full-page photo pages for readability (ideal for Tech Log Book photos)
Share the report via WhatsApp email or any supported app
-Pro (Lifetime unlock)
Removes ads (ad-free experience)
Unlock Deferred Log
Tech Log photo attachments
PDF report generation and sharing
Privacy
No account required. Photos you attach remain on your device unless you choose to share them.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Deferred Log now shows full date and time on each entry
• MEL category expiry date preview when creating a log entry
• Empty WO / Tech Log fields no longer shown
• Swipe gesture hint added to the log list
• Calculator now defaults to UTC
The developer, Adria Raventos ruiz, 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 Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Adria Raventos ruiz
- Size
- 29.9 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. - Mac
Requires macOS 11.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Contains
Advertising
- In-App Purchases
Yes
- Pro $2.99
- Copyright
- © 2026 Aircraft Tech Tools. All rights reserved.