Speedtape
1
FMC/MCP Command Airspeed Bug
Displays when the FMC/MCP command airspeed as selected by the FMC or the IAS/MACH selector is in the displayed range.
2
VR (Rotation Speed) Bug
displays after manual entry on the TAKEOFF REF page.
blanks 2 minutes after takeoff.
3
V1 (Decision Speed) Bug
displays after manual entry on the TAKEOFF REF page.
replaces digital V1 display when V1 speed is within the displayed range.
blanks 2 minutes after takeoff.
4
Manoeuvring Speed
displays manoeuvring speed for existing flap setting.
displays 10 seconds after takeoff.
blanks above 20,000 ft.
5
Minimum Manoeuvring Speed
top of amber bar indicates speed where 40° bank results in stick shaker.
displays shortly after takeoff.
derived from FMC gross weight and IAS.
6
Minimum Speed
indicates the airspeed where stick shaker activates.
derived from FMC gross weight and IAS.
7
FMC/MCP Command Airspeed
Displays in this location when the FMC/MCP command airspeed bug as selected by the FMC or IAS/MACH selector is above the displayed range.
manual entry of V2 on the TAKEOFF REF page is ignored.
8
V1 (Decision Speed)
Indicates decision speed.
Displays after manual entry on the TAKEOFF REF page.
Displays during initial takeoff roll when V1 is above the displayed range.
9
Airspeed Pointer
indicates current airspeed when above 30 knots.
10
Speed Tape Scale
Scrolls up or down in response to airspeed changes.
11
Maximum Speed
Indicates maximum permissable airspeed as limited by the lowest of the following:
VMO/MMO
Landing gear placard speed
Flap placard speed
12
Maximum Manoeuvring Speed
When displayed, indicates manoeuvre margin to buffet. May be displayed when operating at high altitude at relatively high gross weights.
13
FMC/MCP Command Airspeed
displayed in this location when the FMC/MCP command airspeed bug as selected by the FMC or IAS/MACH selector is below the displayed range.
14
Speed Trend Vector
Indicates predicted airspeed in 10 seconds based on current acceleration or deceleration
15
Landing Reference Bug
Displays the VREF speed as selected on the APPROACH REF page.