787 Flight Crew Operations Manual
DO NOT USE FOR FLIGHT
Automatic Flight -
System Description
Copyright © The Boeing Company. See title page for details.
D615Z003-TBC 4.20.13
Automatic Flight Takeoff Profile
Automatic Flight En Route
The autopilot and/or the flight director can be used after takeoff to fly a lateral
navigation track (LNAV) and a vertical navigation track (VNAV) provided by the
FMS. Using LNAV and VNAV ensures the most economical operation.
Other roll modes available are:
Other pitch modes available are:
Profile illustrations show the use of LNAV and VNAV.
• heading hold (HDG HOLD)
• heading select (HDG SEL)
• track hold (TRK HOLD)
• track select (TRK SEL)
• altitude hold (ALT)
• flight level change (FLCH SPD)
• vertical speed (V/S)
• flight path angle (FPA)
HOLD
A/P
THR REF
THR REF LNAV VNAV SPD
THR REF LNAV VNAV SPD
FLT DIR
FLT DIR
FLT DIR
FLT DIR
TO/GALNAVHOLD
TO/GA
TO/GA
TO/GA
TO/GA
VNAV
VNAV
VNAV
LNAV
LNAV
A/P engage
400 feet radio
50 feet radio
80 knots –
VNAV/LNAV
armed – push
TO/GA
switch(es)
switch push –
A/P engages
–
VNAV engages
and
autothrottle
THR REF
activates
altitude –
LNAV engages
autothrottle
HOLD activates
altitude
August 14, 2009