Thales FMGS - If a Specific Heading or Track Is Required; Lateral Guidance; To Resume NAV Mode

FLIGHT PHASES
8 CLIMB
 Lateral guidance
In CLIMB lateral guidance may be either MANAGED or SELECTED.
If lateral MANAGED mode (NAV) is engaged, guidance is provided to
maintain track defined in ACTIVE F-PLN.
Associated lateral functions (e.g. DIR TO, HOLD, OFFSET) are
described in Part III: Multiphase – Lateral functions.
 If a specific heading or track is required
FCU HDG-TRK........Select/Pull
FMA:
HDG is displayed,
Vertical mode reverts to OP
CLB, if CLB engaged. F-PLN
Constraints are ignored.
HDG cursor (blue) is displayed
on HDG scales.
PQM
=
THR C LB HDG
AP1
1FD2
A/THR
OP CLB
ALT
 To resume NAV mode
 If XTRK is less than 1 Nm
(Value depends of A/C orientation to F-PLN track)
FCU HDG-TRK..................Push
− HDG-TRK window is dashed +
dot,
− FMA displays NAV green,
− A/C returns to track.
J
=
J
=
J
=
AP1
1FD2
A/THR
CLB
ALT
AP1
1FD2
A/THR
NAV SPEED
J43126AA 00
© THALES AVIONICS S.A.
AIRBUS A318/319/320/321