FMS

Question 1

What does the Flight Management System (FMS) consist of?

Answer 1

Flight
management computers (FMCs), control display units (CDUs), and a data
base unit (DBU)

Question 2

What functions does the FMS control?

Answer 2

The electronic flight instrument
system (EFIS), automatic flight control system (AFCS), radio tuning, and
other aircraft functions

Question 3

What is the purpose of the Control Display Unit (CDU)?

Answer 3

CDU is used to
select the appropriate page for insertion of navigation data, as well as
access information relating to navigation and aircraft performance.

Question 3

How does the CDU handle illogical data entries?

Answer 3

The CDU is smart in that
it will always check data you are trying to enter. If the information is
illogical, either you will be unable to enter it, or the CDU will generate an
error message.

Question 4

What are the five colors used by the CDU, and what do they represent?

Answer 4

Cyan is generally used for page titles and page numbers, labels, active
mode selections on the RADIO TUNING page, the FROM waypoint on the
ACT LEGS page, and for scratchpad brackets.

Green is generally used for active mode selections, frequencies and
transponder codes on the RADIO TUNING page, and speed, VNAV
altitudes, and the vertical path angle on the LEGS page.

White is generally used for line select key functions, scratchpad entries,
error messages, some messages on the message line and the messages
page, data lines, unselected modes, and certain labels.

Amber is generally used for some messages on the message line and the
messages page. Also used to indicate an expired database.

Magenta is generally used for data associated with the active TO waypoint
and associated data on the ACT FPLN and ACT LEGS pages.

Question 4

How can you erase data from the scratch pad?

Answer 4

To erase the last character
of the scratch pad, press the CLR key located in the bottom right corner of
the key pad. You can also erase the entire scratch pad entry by pressing
and holding the CLR key for at least one half second.

Question 5

What is the scratch pad on the CDU, and how is it used?

Answer 5

The bottom
portion of the screen is called the scratch pad. It is identified by a pair of
blue brackets. You use the alphanumeric keys to enter characters into the
scratch pad. The scratch pad is limited to 22 characters. Once the scratch
pad is full, subsequent key strokes will be ignored.

Question 6

What does the INDEX key do?

Answer 6

The INDEX key enables you to access
additional FMS functions that cannot be accessed directly by a function
key. Think of it as “extra stuff”

Question 6

What is the function of the MSG key on the CDU?

Answer 6

You can review all
messages by pressing the MSG key. There may be more than one page of
messages. This would be indicated by the page number in the upper right
corner of the CDU screen. To exit the message screen, press the MDG
key a second time

Question 7

10.What information is displayed on the RADIO TUNING page?

Answer 7

Current
frequencies for the COM, NAV, and ADF radios, NAV radio tuning mode,
which can be manual or (automatic) selected transponder codes, and
standby annunciation for the active transponder when it is in the standby
mode.

Question 8

What is the purpose of the PROG key?

Answer 8

Used to display flight plan data,
performance data, and wind and temperature related information

Question 9

12.What types of fixes can be entered using the FIX key?

Answer 9

The FIX key is
used to enter reference fixes. There are four types of fixes that can be
entered: abeam fixes, radial fixes, distance fixes, and latitude or longitude
crossing fixes.

Question 10

13.What is the difference between the primary and secondary flight plans?

Answer 10

The primary is the active flight plan/the one the FMS will use to issue
steering commands, and the secondary flight plan is the backup flight plan

Question 10

14.How do you select a departure runway in the FMS?

Answer 10

Press the DEP ARR
key and select the ARR prompt under RWYS. Next, press the line select
key adjacent to the desired runway.

Question 11

15.What is a Standard Instrument Departure (SID), and how is it selected?

Answer 11

By pressing the DEP ARR key. This displays the DEP/ARR INDEX page
with a SIDS column on the left. The departure procedures for an airport
are accessed by selecting the DEP prompt adjacent to the desired airport.
The SID is selected by pressing the line select key adjacent to the desired
SID. Once a SID has been selected, you will also be able to select the
desired transition point from the list below the selected SID

Question 11

16.How do you enter waypoints into the flight plan?

Answer 11

By pressing the line
select key adjacent to the FPLN prompt.

Question 12

17.What is the purpose of the EXEC key?

Answer 12

To execute the flight plan. The
EXEC key is a ‘Save’ key

Question 13

18.What information is entered on the PERF INIT page?

Answer 13

On page one,
prompt boxes direct the crew to enter fuel and cruise information. On page
two, you can enter predicted winds and air temperatures for a particular
flight. On page three, you can enter an estimated time of departure. The
FMS will then calculate the expected time of arrival and fuel requirements.

Question 14

19.What optional data can be entered to improve FMS accuracy?

Answer 14

You also
have the options of entering winds aloft information, as well as ISA
deviation data. This information is not mandatory, but will help the FMS
provide a more accurate estimate of the arrival data.

Question 15

20.How can you transfer a flight plan to another FMS?

Answer 15

You must access the
FPLN page and use the next or previous key to find the last page of the
flight plan. On that page, you will find a flight plan FROM TRANSFER
FROM XSIDE prompt. By pressing the line select key adjacent to this
prompt, the flight plan will be transferred to the other FMS. The CDU will
display a FPLN TRANSFER IN PROGRESS message

Question 16

How does the CDU indicate a mandatory input? Boxes

Answer 16

boxes

Question 17

Which CDU page displays N1 information for takeoff, climb, cruise,
go-around, and single engine maximum continuous thrust?

Answer 17

thrust limit

Question 18

Which of the following components make up the Flight Management
System?

Answer 18

flight management computers (FMCs), control display units
(CDUs), and a data base unit (DBU

Question 19

Which of the following statements about the MFD DATA key are true? The

Answer 19

MFD DATA key is used when the MFD menu page is selected on the
DCU, and pressing this key will alternately switch the display mode
between the MFD plan map and text pages

Question 20

Which of the following are used for verifying all of the waypoints on a flight plan?

Answer 20

LEGS page and/or MFD plan map

Question 21

What does the MFD ADV key do?

Answer 21

Opens the LEFT/RIGHT DISPLAY ADVANCE menu, moves the center waypoint on the MFD plan map, and cycles through the MFD text pages

Question 22

For all intents and purposes, the EXEC is a save" key."

Answer 22

true

Question 23

What action on the PERF INIT page allows the flight crew to specify vertical navigation information?

Answer 23

Selecting the VNAV SETUP line select key

Question 24

What is the best way to insert a holding pattern into the flight plan?

Answer 24

press hold key

Question 25

10.The INDEX key enables you to access additional FMS functions that cannot be accessed directly by a function key.

Answer 25

true

Question 26

MSG Key

Answer 26

You can review all messages by pressing the MSG key. There may be more than one page of messages. This would be indicated by the page number in the upper right corner of the CDU screen. The NEXT PAGE and PREV PAGE keys are used to cycle through the various message pages.

Question 27

INDEX key

Answer 27

The INDEX key enables you to access additional FMS functions that cannot be accessed directly by a function key. Functions available on the INDEX page depend on the equipment installed on the aircraft, the interconnect wiring, and the options installed on the FMS. Once the INDEX page is displayed, you can select the desired function by pressing the adjacent line select key.

Question 28

Radio Key

Answer 28

The RADIO key provides access to the RADIO TUNING page. The information on this page includes: * current frequencies for the COM, NAV, and ADF radios, * NAV radio tuning mode, which can be manual or automatic, * selected transponder codes, * and standby annunciation for the active transponder when it is in the standby mode.

Question 29

MFD MENU key

Answer 29

The MFD MENU key is used to select the display of airports, navigation aids, navigation display modes, or options for the FMS, MAP, PLAN MAP, and TEXT PG display modes of the MFDs

Question 30

MFD DATA key

Answer 30

The MFD DATA key is used when the MFD menu page is selected on the CDU. Pressing this key will alternately switch the display mode between the MFD plan map and text pages

Question 31

MFD ADV key

Answer 31

The MFD ADV key shows the DISPLAY ADVANCE page. This page enables you to cycle through the MFD text pages or to move the center waypoint on the MFD plan map

Question 32

PROG key

Answer 32

The PROG key is used to display flight plan data, performance data, and wind and temperature related information. This page is called the PROGRESS page. The PROGRESS page actually consists of two pages, as indicated by the page number and page count in the upper right corner of the CDU screen. Page one of the PROGRESS page shows flight plan and performance data Page two of the PROGRESS page shows wind and temperature related information

Question 33

FIX key

Answer 33

The FIX key is used to enter reference fixes. There are four types of fixes that can be entered: * abeam fixes, * radial fixes, * distance fixes, * and latitude or longitude crossing fixes

Question 34

DIR INTC key

Answer 34

The DIR INTC key displays a page where you can direct the FMS to proceed directly to a point. This point can either be on the active flight plan, or it can be to a point that you specify

Question 35

FPLN key

Answer 35

Narration The FPLN key is used to access the active flight plan or the modified flight plan. The active flight plan is the one that the FMS is following. Information on the flight plan page can include the: * origin, destination, and alternate airports, * distance to the destination, * route identifier, * origin runway, * starting mode of the flight plan, either a VIA or TO, * flight number, * and offset

Question 36

LEGS key

Answer 36

The LEGS key displays either the ACT or MOD LEGS page. The LEGS page shows the individual segments of a flight plan. The information in magenta refers to the current active waypoint. The NEXT PAGE and PREV PAGE keys are used to cycle between the various pages of the LEGS page.

Question 37

PERF key

Answer 37

The PERF key brings up a menu of available performance functions. These functions consist of: * performance Initialization, * fuel management, * VNAV setup, * flight log, * thrust limit, * and secondary performance data. The various functions can be accessed by pressing the associated line select key.

Question 38

PERF INIT page

Answer 38

The PERF INIT page is used to enter data related to the flight. On page one, prompt boxes direct the crew to enter fuel and cruise information. * On page two, you can enter predicted winds and air temperatures for a particular flight. * On page three, you can enter an estimated time of departure. The FMS will then calculate the expected time of arrival and fuel requirements.

Question 39

FUEL MGMT page

Answer 39

The FUEL MGMT page displays fuel related information such as total quantity and reserves. The fuel flow, reserves, and ground speed information can be changed to see the effects of these changes on time to reserves and range to reserves.

Question 40

VNAV page

Answer 40

The VNAV line select key enables you to display the climb, cruise, and descent pages. The page that is displayed depends on the current phase of flight. Data can be modified on these pages.

Question 41

Flight log page

Answer 41

The FLIGHT LOG page shows the: * takeoff time, * enroute time, * landing time, * fuel used, * average true airspeed and ground speed, * and air and ground distances

Question 42

SEC PERF INIT page

Answer 42

The SEC PERF INIT page provides access to similar performance information for the secondary flight plan.

Question 43

DEP ARR key

Answer 43

The DEP ARR key displays the DEP/ARR INDEX page. From there, you can select the departure and arrival routes for your flight.

Question 44

SEC PLAN key

Answer 44

The SEC PLAN key displays a page similar to the flight plan page. The only difference is that this is your back-up flight plan if you choose to enter one.

Question 45

Hold Key

Answer 45

The HOLD key displays a page similar to the ACT LEGS page. The only difference is that there is a HOLD AT prompt which enables you to insert a holding pattern in your flight plan

Question 46

VNAV key

Answer 46

The VNAV key provides access to the vertical navigation climb, cruise, or descent pages. The page that initially appears depends on the current phase of flight. The PREV and NEXT PAGE keys allow you to access the other vertical navigation pages. Data can be modified on the vertical navigation pages. By modifying the data, the FMS will be able to provide more accurate predicted information, including estimated time of arrival and fuel at the destination point.

Question 47

FMS FPLN key

Answer 47

There are two types of flight plans you can enter: primary and secondary. The primary flight plan is the one the FMS will use to issue steering commands. The secondary flight plan is a back up, and the FMS cannot use that flight plan to generate steering commands.