3 ms·
2 or 3 it would seem: https://aviation.stackexchange.com/questions/36141/why-does-boeing-737-use-2-inertial-reference-systems-irs-and-gps https://aviation.stack
by comboy 8y ago
2 or 3 it would seem: https://aviation.stackexchange.com/questions/36141/why-does-boeing-737-use-2-inertial-reference-systems-irs-and-gps https://aviation.stackexchange.com/questions/36141/why-does-...