Section 3 – Emergency procedures
AVIONIC SUITE FAILURES
3.5. LOSS OF VERTICAL SPEED INFORMATION
VERT SPEED FAIL
(RED X ON DISPLAY FIELD)
Display system is not receiving vertical speed input
from Air Data Computer.
INSTRUCTION: determine vertical speed on the basis of altitude information
3.6. LOSS OF HEADING INFORMATION
HDG
(RED X ON DISPLAY FIELD)
Display system is not receiving
valid heading input from AHRS.
INSTRUCTION: revert to magnetic compass