There appears to be a bug in the R44 helicopter on Flightgear 2020.3.2. The lower half of the screen (on the runway at an airport) is blank, as is the copilot's view. Please see attach screenshots. This is a fresh install of 2020.3.2 using the snap install command on CENTOS 7.
https://imgur.com/F3qr1Z0
https://imgur.com/JKMHorg