Question

Which modes supply independent flight guidance commands to their associated PFD?

a) Standby
b) Primary
c) Secondary
d) Tertiary

Answer 1

Primary modes provide independent flight guidance commands to their associated Primary Flight Display in an aircraft's cockpit avionics system.

Step-by-step explanation:

The modes that supply independent flight guidance commands to their associated Primary Flight Display (PFD) are primary modes. These are the standard flight guidance modes that pilots rely on during most stages of flight. Standby modes provide backup guidance in case of a primary system failure, while secondary modes may offer additional guidance under specific circumstances. Tertiary modes, if present, would be another level of backup or specialized guidance. In the context of cockpit avionics, these terms refer to the hierarchy and functionality of the systems that assist pilots in navigation and control of an aircraft.