Navigation System

Question 1

VOR stations transmit beams, called _____, in every direction. In the T-6A, these signals are detected by the VOR receiver and displayed on the ______.

Answer 1

Radials, EHSI

Question 2

True or false: Since TACAN operates in the UHF frequency range, the T-6A VOR receiver cannot receive signals from VORTAC stations

Answer 2

False

Question 3

The VOR signal is received through the ______ antennas mounted on each side of the ______

Answer 3

NAV/GS/ILS, vertical stabilizer

Question 4

The ILS provides what course guidance to the runway centerline?

Answer 4

Localizer

Question 5

The ILS localizer and glideslope signals are received and processed by the same antennas and receiver as what system?

Answer 5

VOR

Question 6

For ILS operation, what frequency is entered in the RMU as the primary navigation frequency?

Answer 6

Localizer

Question 7

The DME system measures the time required for the transmitted signal to reach the ground station and return, and calculates what distance in nautical miles from the aircraft to the ground station?

Answer 7

Slant range

Question 8

When a navigation facility with DME capability is tuned in the RMU, the DME information is provided automatically to what?

Answer 8

EHSI

Question 9

DME information displayed on the EHSI includes what?

Answer 9

• Slant range distance
• Time-to-go
• Groundspeed

Question 10

When DME hold is activated, DME HOLD will display below the primary nav frequency on what instrument?

Answer 10

RMU

Question 11

True or false: Controllers will assign the same Mode A transponder code to all aircraft under their control

Answer 11

False

Question 12

Any aircraft within line of sight and equipped with a transponder set to the same code as either the ground station’s or airborne interrogation system’s query responds ______ with a coded signal to the system interrogating it

Answer 12

Automatically

Question 13

When you are requested to “SQUAWK ALTITUDE,” you press the mode select switch on the right side of the field to change the mode from “ON” to what?

Answer 13

ALT

Question 14

When requested to “IDENT,” press the “IDT” button on the RMU. The ident signal will transmit for how many seconds, before returning to the previous mode?

Answer 14

20 seconds

Question 15

True or false: NACWS data is continually displayed on the engine/systems/NACWS display

Answer 15

False

Question 16

A white unfilled rectangle symbol on the NACWS display indicates within plus or minus ______ feet of aircraft attitude

Answer 16

300

Question 17

True or false: TAS traffic warnings and advisories are displayed on the AEDD in both cockpits

Answer 17

False

Question 18

What are the TAS range selections?

Answer 18

3, 5, 10, 20, 40 NM

Question 19

Proximity traffic is displayed as a filled white diamond indicating the intruding aircraft is within +- how many feet relative altitude?

Answer 19

1200

Question 20

True or false: In Above mode, traffic from 9000 ft above to 2700 ft below the aircraft is displayed

Answer 20

False

Question 21

True or false: The front cockpit GPS unit must be on and functioning for either the front or rear unit to be used

Answer 21

True

Question 22

The information on the right side of the Self Test display of the GPS should usually be correct since it is stored in what kind of memory?

Answer 22

Battery-backed

Question 23

True or false: If on the first GPS system self-test attempt, TEST FAIL replaces ANNUN ON on the Self Test display, you must notify maintenance

Answer 23

False

Question 24

The large outer knobs on the left and right sides of the GPS panel are used to select ______ for the left and right sides of the screen respectively

Answer 24

Page types

Question 25

To change an item on a displayed page, first press the CRSR button, then use the ______ knob to move the cursor to the field to be changed

Answer 25

Outer

Question 26

To declutter a GPS display, which button would you push?

Answer 26

CLR

Question 27

The GPS can store up to ____ flights plans in memory, each of which can contain up to ____ waypoints

Answer 27

25, 30

Question 28

The DME system displays what from the aircraft to the ground station?

Answer 28

Slant range in nautical miles

Question 29

When the GPS first activates, the screen will display the ____ page as the default page for the left side of the display, and the right side will display the waypoint page for the last active waypoint

Answer 29

NAV 2

Question 30

The 360° radial of each VOR station is oriented to what?

Answer 30

Magnetic north

Question 31

Automatic altitude reporting is provided by which transponder mode?

Answer 31

C

Question 32

When the NAV source on the EHSI read LOC and a glideslope signal is being received, what will be provided on the right side of the instrument?

Answer 32

Glideslope scale and indicator

Question 33

On the NACWS display, an upward or downward triangle with no altitude tag denotes traffic where?

Answer 33

1000 to 2700 feet off altitude

Question 34

To use DME from one navigation facility while on approach to another facility, what should you do before switching the primary navigation frequency to the approach facility?

Answer 34

Press the DMEH button on the RMU

Question 35

To transmit a special pulse to aid in immediate identification on a controller's scope, you press which button on the RMU?

Answer 35

IDT

Question 36

True or false: An advantage of the GPS flight plan function is that desired routes can be created before flight

Answer 36

True

Question 37

TAS detects and tracks other aircraft by interrogating their transponders and then analyzing the replies to determine range, bearing, and relative what?

Answer 37

Altitude