: Calculations for aircraft loading and center of gravity.
: Modern navigation aids, including GPS and PBN (Performance Based Navigation). Oxford Complete ATPL Study Pack CBT -23 CD-ROMs
CD-ROMs are physically vulnerable to scratching and disc rot. Installing all 23 discs—often requiring specific legacy codecs like QuickTime 6 or Adobe Flash Player—on a modern 64-bit Windows or macOS system is notoriously difficult. Many users resort to virtual machines or abandonware emulators. : Calculations for aircraft loading and center of gravity