Systems Guide
A318/A319/A320/A321
Professional
SYSTEMS
Systems guide
Vol
4
04-03-63
11 July 2018
The recommended TILT settings for the various FLIGHT PHASES based on ALTITUDE and ND-RANGE
according to documentation (Flight Operations Briefing Notes) are:
Flight
Phase
Recommendations
Remarks
Taxi
Set ND to 10 NM range –
Tilt down, then up: Check appearance / disappearance of ground returns
Radar check
must be
performed
away from
people
Takeoff
Scan up to 15° UP for weather return, if significant weather is suspected- Select
tilt at +4° UP for takeoff
Scan along
the departure
path
Climb
Select negative tilt, maintain ground returns on top of ND as the aircraft climbs
(suggestions):
Flight Level
ND-Range
10
20
40
80
160
TILT SETTING
5.000
-0.9°DN
-0.1°DN
10.000
-2.7°DN
-0.8°DN
-0.5°DN
-0.4°DN
15.000
-4.5°DN
-1.4°DN
-1.0°DN
-0.9°DN
20.000
-6.3°DN
-2.8°DN
-1.6°DN
-1.5°DN
25.000
-8.8°DN
-4.3°DN
-2.4°DN
-2.1°DN
30.000
-10.8°DN
-5.4°DN
-2.8°DN
-2.4°DN
Change TILT
according to
altitude and
ND range
Cruise
Select negative tilt and maintain ground returns on top of ND. As a rule of thumb
use the following suggestions:
Flight Level
ND-Range
20
40
80
160
320
TILT-Setting
31.000
-12.1°DN
-5.8°DN
-3.1°DN
-2.5°DN
-2.5°DN
No ground
returns
beyond line of
sight:
FL370 => 240
NM
FL250 => 200
NM
Descent
Adjust tilt to maintain ground returns on top of ND. As a rule of thumb:
Flight Level
ND-Range
10
20
40
80
160
TILT SETTING
30.000
~ +3.0 °UP
25.000
~ +2.5 °UP
20.000
~ +2.0 °UP
15.000
~ +3.0 °UP
10.000
~ +2.0 °UP
5.000
~ +1.0 °UP
3.000
~ +0.5 °UP
Approach
Select tilt: +4° UP
To avoid
ground
returns