Collins Aerospace announced upcoming functionality upgrades to Collins' Pro Line 21™ integrated avionics systems installed on in-service Cessna Citation business jets. Available beginning in the second half of 2025, the Pro Line 21 avionics enhancements are applicable for in-service Cessna Citation CJ1+, CJ2+, CJ3, CJ4 and XLS+ fleets, with upgrades spanning advanced communications abilities, improved weather data, enhanced flight deck connectivity and more.
Nathan Voight, vice president and general manager, Business and Regional Avionics at Collins Aerospace commented: "These enhancements are based on direct feedback received from customers, letting us know they desired cockpit upgrades that made flight more intuitive, communicative and efficient. Our Pro Line 21 Citation upgrades do just that, providing pilots with a modern flight deck that keeps them connected and informed."
The upgraded Pro Line 21 avionics suite provides Controller Pilot Data Link Communications, ADS-B In weather information and enhanced connectivity, improving productivity, data transfers and the stream of critical information available to pilots. Customers can purchase the upgrades as well as schedule the upgrade for installation through Textron Aviation or other Collins Aerospace authorized dealers.
Other enhancements include the addition of Privacy ICAO Address, mitigating personal identity and security concerns; direct integration between the avionics and electronic flight bags to streamline operations; and wireless database uploads, seamlessly keeping avionics systems compliant and up to date.

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