Diamond DA 42 - Altitude Fail; Vert Speed Fail; Hdg; Warn

DA 42 AFM
Emergency
Procedures
Doc. No. 7.01.05-E Rev. 8 15-Dec-2017 Page 3 - 15
3.3.5 ALTITUDE FAIL
ALTITUDE FAIL
The display system is not receiving altitude input from the
air data computer; accompanied by a red X through the
altimeter display.
Revert to the standby altimeter.
3.3.6 VERT SPEED FAIL
VERT SPEED FAIL
The display system is not receiving vertical speed input
from the air data computer; accompanied by a red X
through the vertical speed display.
Determine vertical speed based on the change of altitude information.
3.3.7 HDG
HDG
The display system is not receiving valid heading input
from the AHRS; accompanied by a red X through the
digital heading display.
Revert to the emergency compass.
3.3.8 WARN
WARN
RAIM position warning - nav deviation bar removed.
1. CDI softkey.......................... switch to VOR/LOC