Mobile App
Your CASA logbook, wherever the job takes you.
Built for aircraft maintenance engineers working on the hangar floor, line maintenance, or remote sites. Capture tasks, request supervisor sign-offs, and track your progress—even without an internet connection.
The eLog66 mobile app is designed to replace paper logbooks with a fast, offline-first experience. Everything syncs automatically once you're back online.
Offline-first with automatic sync
Log Part 1, Part 2 and Part 3 anywhere
Upload photos and evidence
Request supervisor countersignatures
Push notifications for approvals
Face ID / Biometric authentication
Coming soon for iOS and Android. Join the early access program to be notified when the first public release is available.
Mobile Preview
App screenshots will appear here once the first production build is available.
eLog66 — Tailwind Systems
CASA Part 66 Digital Logbook • © 2026 Tailwind Systems • tailwindtechsupport@gmail.com