CX-3 Operator Resource

Welcome to the CX-3® Flight Computer Operator Resource webpage, where you will find useful information about the CX-3® including the Quick Start Guide, the complete User’s Guide, Waranty details, and more. If you don’t already have the most versatile and easy-to-use aviation flight computer, click the “Buy now!” button below.

Firmware Updates: There are currently no firmware updates available. Firmware version 1.03 and 0.15 are the latest, and both are identical.

Check out the Online CX-3! Access this electronic version on your desktop, laptop, smartphone or tablet!
This online computer cannot be used for knowledge exams.

image of ASA CX-3 Flight Computer


  • Time
  • Speed
  • Distance
  • Headings
  • Wind
  • Fuel
  • Altitude
  • Cloud Base
  • Standard Atmosphere
  • Glide
  • Climb and Descent
  • Weight and Balance
  • Holding Patterns
  • Rhumb Line
  • and more!