FLIGHT DIRECTOR FAILURES – CAS MESSAGES
CAS CAPTION FAILURE DESCRIPTION PROCEDURE
NAME
AW139-RFM-4D
ATT OFF
+ SAS message displayed on both PFD’s
NOTE: With ATT system not engaged the aircraft
flies in SAS mode only
ATTITUDE SYSTEM
OFF
1(2) ADS FAIL
On-side ADS failure on the selected PFD.
Disengagement of FD vertical modes (ALT, IAS,
VS) + Audio Chime and loss of
Airspeed
Altitude
Vertical speed
Data on Left(Right) indicators
ON SIDE ADS
FAILURE ON SELECTED
PFD
WITH FD ENGAGED
LIMITATIONS
Refer to AW139-RFM-4D, Supplement 34 or Supplement 40, SECTION 1
for:
• WEIGHT AND CENTRE OF GRAVITY LIMITATIONS
• FLIGHT DIRECTOR MODES LIMITATIONS
• FLIGHT DIRECTOR MODES ENGAGEMENT LIMITS AND MINIMUM
USE HEIGHT (MUH)
• REQUIRED EQUIPMENT
• VOR LIMITATIONS
• ILS APPROACH MODE LIMITATIONS
• VGP LIMITATIONS
PRIMUS EPIC® SOFTWARE PHASE 5 - ADDITONAL
FUNCTIONS
COLLECTIVE FLY-UP SAFETY FUNCTION
The Fly-Up Collective Safety Function is a height protection function which is
always active when at least one Rad Alt is valid. The function is activated
when any collective FD mode is engaged and coupled and the Safety Height
is passed. When the function is activated the aircraft is automatically flown
back up to the Safety Height. The Safety Height is a function of the Rad Alt