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Autothrottle Thrust Lever Operation . . . . . . . . . . . . . . . . . . . . 4.20.8
Autothrottle Disconnect. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.20.8
Automatic Flight Operations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.20.8
April 01, 2001
747 Operations Manual
Copyright © The Boeing Company. See title page for details.
4.TOC.0.2 D6-30151-425
Automatic Flight -
Table of Contents
Automatic Flight - Takeoff and Climb. . . . . . . . . . . . . . . . . . 4.20.8
Automatic Flight Takeoff Profile . . . . . . . . . . . . . . . . . . . . . 4.20.11
Automatic Flight - Cruise. . . . . . . . . . . . . . . . . . . . . . . . . . . 4.20.11
Automatic Flight - Approach and Landing . . . . . . . . . . . . . 4.20.11
Automatic Flight Approach Profile . . . . . . . . . . . . . . . . . . . 4.20.14
Automatic Flight - Go–Around . . . . . . . . . . . . . . . . . . . . . . 4.20.14
Automatic Flight Go–Around Profile . . . . . . . . . . . . . . . . . 4.20.16
Automatic FlightWindshear Recovery. . . . . . . . . . . . . . . . . . . 4.20.16
Flight Envelope Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.20.17
EICASMessages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.30.1
Automatic Flight EICAS Messages . . . . . . . . . . . . . . . . . . . . . . 4.30.1
April 01, 2001
747 Operations Manual
Automatic Flight Chapter 4
Controls and Indicators Section 10
Copyright © The Boeing Company. See title page for details.
D6-30151-425 4.10.1
Mode Control Panel (MCP)
Autopilot Flight Director System (AFDS) Controls
1 Flight Director (F/D) Switches
The left F/D switch activates F/D steering indications on the left primary flight
display (PFD). The right F/D switch activates F/D steering indications on the right
PFD.
ON –
• on the ground with no autopilot (A/P) engaged and both F/D switches
OFF, the first F/D switch positioned ON arms the F/D in the takeoff
go–around (TO/GA) roll and pitch modes. Positioning the second F/D
switch ON displays the flight direction steering indications on the second
PFD
• in flight, with the A/P disengaged and both F/D switches OFF, the first
F/D switch positioned to ON activates the F/D in:
• vertical speed (V/S) as the pitch mode, and
GLARESHIELD PANEL
2 50
SPD DISENGAGE
HDG VERT SPD ALT
CH
IAS/MACH
SEL
FL
L
V
SEL
25
F/D
ON
NAV
5
HOLD
AUTO DN
UP
BANK
HOLD
F/D
ON
OFF
V/S APP
LOC
L C R
CMD
A/P ENGAGE
CMD CMD
OFF
THR
LIMIT
NAV
OFF
Mode Control Panel (MCP)
DISENGAGE
F/D
ON
OFF
L C R
CMD
A/P ENGAGE
CMD CMD
3
F/D
ON
OFF
1
2
April 01, 2001
747 Operations Manual
Copyright © The Boeing Company. See title page for details.
4.10.2 D6-30151-425
Automatic Flight -
Controls and Indicators
• heading hold (HDG HOLD) as the roll mode, or if bank angle greater
than five degrees, attitude hold (ATT)
• in flight, with the A/P engaged and both F/D switches OFF, the first F/D
switch positioned to ON activates the F/D in the selected A/P mode(s)
OFF –
• F/D steering indications do not display, unless
• a TO/GA switch is pushed when airspeed is greater than 80 knots and
flaps out of up
2 Autopilot (A/P) ENGAGE Switches
Push (any switch engages the autopilot) –
• when either F/D switch is ON, the A/P engages in the selected F/D
mode(s)
• when both F/D switches are OFF, the A/P engages in:
• vertical speed (V/S) as the pitch mode and
• heading hold (HDG HOLD) or attitude hold (ATT) as the roll mode
3 Autopilot DISENGAGE Bar
Push down –
• disengages all three A/Ps
• prevents A/P engagement
• exposes amber stripe
Lift up -
• enables A/P engagement
• conceals amber stripe
Autothrottle (A/T) System Controls
Mode Control Panel (MCP)
1
2
3
SPD
OFF
THR
A/T ARM
April 01, 2001
747 Operations Manual
Automatic Flight -
Controls and Indicators
Copyright © The Boeing Company. See title page for details.
D6-30151-425 4.10.3
1 Autothrottle (A/T) ARM Switch
ARM -
• disconnects if more than one engine inoperative
• arms A/T system for mode selection
• A/T operates when VNAV, FLCH, or TO/GA switch pushed
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