Flight Instruments

Question 1

When is the pitch limit indicator displayed on the PFD and what’s it’s purpose? AOM II 10-5

Answer 1

Displayed; when flaps are out of UP.
Purpose; stick shaker activation point

Question 2

What is/are the input sources for the command speed display on the PFD? AOM II 10-2

Answer 2

Speed set on Mode Control Panel (MCP) (when window is open)
FMC computed speed when window is blanked.

Question 3

What identifies the active waypoint on the ND? AOM II 10-69

Answer 3

Magenta Star

Question 4

The altitude range arc “Green Arc” displays which information? AOM II 10-69

Answer 4

Indicates where MCP altitude will be reached based on current Vertical Speed and Ground Speed.

Question 5

The switches on the EFIS control display what information when pushed (each individually)? AOM II 10-29
WXR

Answer 5

WXR powers the radar transceivers selected on center console WX radar control panel, displays radar returns on respective ND and deselects TERR.
Modes;
MAP, MAP CTR, VOR & APP

Question 6

STA

Answer 6

Displays VORs according to range.
=< 40 nm High and Low VORs
=> 80 nm High VORs ONLY
Modes:
MAP & MAP CTR

Question 7

WPT

Answer 7

WPT displays waypoints when ND range selector is 40 nm or less.
Modes:
MAP & MAP CTR

Question 8

ARPT

Answer 8

ARPT Displays airports with runways longer than 6,000’ in all ranges.
Modes:
MAP & MAP CTR

Question 9

DATA

Answer 9

DATA Displays FMC ETA and any altitude constraints at each waypoint.
Modes:
MAP, MAP CTR & PLAN

Question 10

POS

Answer 10

POS Displays navigational inputs including:
VOR displays raw data radials from the VORs tuned on the NAVRAD page, extending from nose of the airplane.
WITH DME, radials end at VOR
WITHOUT DME, radials end at edge of display.

Question 11

IRU

Answer 11

IRU displays position of each IRU with a snowflake symbol

Question 12

GPS

Answer 12

GPS displays GPS position.
Modes:
MAP & MAP CTR

Question 13

TERR

Answer 13

TERR displays GPWS look-ahead terrain data and deselects WX radar.
Green terrain - 500’ - 2,000’ below aircraft altitude.
Amber terrain - 500’ below to 2,000’ above aircraft altitude.
Red terrain - > 2,000 above aircraft altitude.
Modes:
MAP, MAP CTR, VOR and APP

Question 14

If the Captain’s INBD and LWR (EICAS) CRT is inoperative, how and where could the HYD Synoptic information be displayed? AOM II 10-32

Answer 14

On First Officer’s ND by selecting EICAS on INBD CRT knob.

Question 15

In what ND mode will weather radar not be displayed? AOM II 10-29

Answer 15

PLAN, VOR CTR & APPR CTR

Question 16

What indicates a route modification on the ND? AOM II 10-51

Answer 16

A white dashed line.

Question 17

The standby horizon is powered from what source? AOM II 10-51

Answer 17

Main Battery Bus

Question 18

When will the GS and LOC indicators/scales display and when will they fill to a solid magenta? AOM II 10-9, 10-10.

Answer 18

Display: when signal is received (frequency tuned & identified).
Solid: when within 2 1/3 dots from center.