34
MULTIPHASE
LATERAL F-PLN management
J43126AA 00
© THALES AVIONICS S.A.
AIRBUS A318/319/320/321
Lateral Guidance
When DIR TO INSERT is pressed:
− NAV mode engages or
remains engaged (if
previously engaged).
− FMA shows NAV green.
A capture curve (from PPOS) followed by a great
circle (GC) path from the end of the curve to the
selected waypoint is constructed by the FMS.
Example showed on right.
Bank angle: 25% margin is applied to the normal
bank angle. Folowing principle "what you see is
what you fly, A/C will fly path as shown on ND.
F-PLN page first line FROM WPT is T-P
(Turning Point).
Notes
SPEED/ALTITUDE/TIME constraints associated with the original
waypoint are deleted and not transferred to the ABEAM point.
STEP ALT point as defined in original F-PLN remains at ABEAM WPT.
WIND data for original WPTs are tranferred to ABM WPTs if it is less
than 100 Nm from original WPTs; otherwise, no wind data is assumed.
MACH NAV
AP1
1FD2
A/THR
ALT CRZ
FROM THV001 {}
UTC SPD/ALT
T-P 1523 / FL360
BRG190° 19
POCKET 1526 .79/ FL360
--F-PLN DISCONTINUITY---
ADABI 1537 " / "
UN874 30NM
BOKNO 1541 " / "
DEST UTC DIST EFOB
EGLL27R 1647 446 3.8
£$
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