CCAS | VFR Collision Avoidance
safe the sky
About
This application provides real-time air traffic information for VFR pilots, enhancing safety by showing nearby aircraft and other traffic sources. It operates in lower airspace and integrates with popular navigation apps, offering a free and accessible collision avoidance system.
What's New in CCAS | VFR Collision Avoidance
26.06.0
June 11, 2026
We’re excited to bring you the latest version of CCAS. Your feedback matters – let’s make the skies even safer together! What's new? - optimized SkyDemon communication - allow more than one own reg/hex value (separated by commas)
MoreDeveloper apps
FAQ
What is CCAS used for?
CCAS is a free air traffic avoidance system designed for VFR pilots. It provides real-time alerts about nearby aircraft and other traffic sources, helping to prevent collisions in lower airspace.
How does CCAS work?
Each CCAS user shares their position with the network, and in return, receives relevant traffic information from CCAS servers. This data includes other CCAS users, as well as traffic from sources like ADS-B and OGN/FLARM, ensuring maximum visibility.
Can CCAS connect to other navigation apps?
Yes, CCAS can easily connect to popular navigation applications such as SkyDemon, ForeFlight, and VFRnav. Traffic information is then displayed directly on your mobile navigation map via GDL90.
Is CCAS free to use?
Yes, CCAS is entirely free to use. It is funded by donations and designed to be accessible to all pilots, focusing on essential safety functionality rather than costly features.
Does CCAS require registration?
No, CCAS does not require any registration. Upon first launch, a random identifier is generated on your device, and your position messages are encrypted and shared only with nearby CCAS network users.
What is the age rating for CCAS?
CCAS has an age rating of 4+, making it suitable for a wide range of users. The app is designed for pilots and focuses on aviation safety information.
How often is CCAS updated?
The latest version of CCAS is 26.06.0, which was last updated on June 11, 2026. This indicates a commitment to ongoing development and maintenance of the application.
What devices does CCAS support?
CCAS is available for iPhone, iPad, and iPod devices. This broad compatibility ensures that many pilots can utilize the application on their preferred Apple mobile devices.