November 19, 2025
Unveiling the CIS Navajo Chieftain
A new twin joins the CIS fleet. Discover the first look at the PA31-350 Navajo Chieftain now in development.
Category: Xplane 12
September 7, 2025
CIS Seneca II v2.0
The new v 2.0 of the CIS Seneca II features not only the new WX radar from Xplane 12.3 but also a refactor of the full aircraft systems logic and persistence model.
January 24, 2025
CIS PA44 Seminole CSL model
The CSL model of the CIS Piper Seminole is available for use in VATSIM/IVAO