Boeing 767: Heading Reference

767 Heading Reference by jerome meriweather
	Auxiliary OverHead Glareshield Center Pedestal
Left to EICAS Right to LDG Gear Down to Thrust Modes To View a Control's Description, MouseOver it and ... Click to "Show" - MouseDown to "Drag" - DoubleClick to "Hide"

Heading Reference Switch

NORM - References the HSIs, RDMIs, AFDS, and FMCs to magnetic north when between 73 degrees north and 60 degrees south latitude.
TRUE - References the HSIs, RDMIs, AFDS, and FMCs to True north regardless of latitude.