5a TACAN

Question 1

This provides air crew with continuous bearing, distance information while transmitting, BIT info from a desired TACAN station

Answer 1

TACAN

Question 2

TACAN uses what 6 things 

Answer 2

Point to point navigation
Close air support for ground troops
Mid air refueling
Rendezvous
Homing
Determine position of aircraft

Question 3

This uses 1350Hz, 3 letter Morse code, transmits every 30 seconds, has a max time of 7.5 seconds

Answer 3

BIT Beacon identification tone

Question 4

The operating range for groundstation is what

Answer 4

390 NM

Question 5

The operating range for airborne begins is what

Answer 5

200 NM

Question 6

What are the power requirements

Answer 6

28 VDC

115 VAC

Question 7

What is the output power of the ground stations

Answer 7

500 Watts

Question 8

What is the output power of the airborne beacons

Answer 8

250 Watts

Question 9

What is the slant range?

Answer 9

The “hippo” angle of a triangle from the aircraft to the station

Question 10

How many total channels are there

Answer 10

252

Question 11

How many channels are for G/A or A/A

Answer 11

126 X channels

Question 12

How many channels are for A/A only

Answer 12

126 Y channels

Question 13

What is the frequency range for RECEIVE

Answer 13

962-1213 MHz

Question 14

What is the frequency range for TRANSMIT

Answer 14

1025-1150 MHz

Question 15

Coarse Bearing is +/- ___ degrees

Answer 15

3° 

Question 16

Fine Bearing is +/- ____ degrees?

Answer 16

1°

Question 17

The principal of operation uses what kind of comparison? 

Answer 17

Phase comparison

Question 18

TACAN shows North when cardioid is facing due ____?

Answer 18

East

Question 19

What bearing uses single phase comparison?

Answer 19

Coarse

Question 20

What bearing uses double phase comparison?

Answer 20

Fine

Question 21

_________ Bearing uses single phase comparison by comparing:

MRB (main reference burst) to 15Hz (AM signal) to get the +/- 3° variable

Answer 21

Coarse

Question 22

______ Bearing uses double phase comparison by comparing both:

MRB(main reference burst) to 15Hz (AM signal) AND

ARB(auxiliary reference burst) to 135Hz to get the 1° variable

Answer 22

Fine

Question 23

How many pulse modulated signals are there

Answer 23

5

(How many letters in the word pulse) 

Question 24

How many amplitude modulated signals are there?

Answer 24

2

Question 25

Bearing memory is stored in the RT for how long?

Answer 25

3 seconds

Question 26

Distance memory is stored in the RT for how long? 

Answer 26

15 seconds

Question 27

This produces and measures the signals for distance

Answer 27

DME (distance measurement equipment)

Question 28

The formula for distance information for slant range is what 

Answer 28

D = TT-Delay —————— 12.36 microseconds

Question 29

SECA uses ______ Bearing only

Answer 29

Coarse

Question 30

A/A REC & A/A T/R modes must be how many channels apart?

Answer 30

63

Question 31

Receive Mode (REC) is used for -

Answer 31

Ground Station Fine Bearing Double Phase Comparison

Question 32

T/R mode is used for what -

Answer 32

Distance Ground Station Fine Bearing Double Phase Comparison

Question 33

A/A REC (Receive) mode uses -

Answer 33

Coarse Bearing SECA Single Phase Comparison

Question 34

A/A R/T mode uses -

Answer 34

Distance Coarse Bearing SECA CA Single Phase Comparison

Question 35

T/R & A/A T/R are the only ones that measure ________?

Answer 35

Distance

Question 36

Each mode of operation provides relative bearing, coarse deviation, and______?

Answer 36

TO/FROM

Question 37

During the 1st 7 seconds of the Manual & Automatic Tests, the bearing pointer slews to ______ degrees, _____ ______ are in view, and the ________ _________ is over the distance window.

Answer 37

270° All Flags Distance Shutter

Question 38

During the the last 15 seconds of the manual self-test, the bearing pointer slews to ______ degrees, all flags are ___ __ ____, and has a distance read out of 100.

Answer 38

180° Out of View 

Question 39

This combines magnetic heading from aircraft compass system and magnetic bearing from R/T to produce relative bearing

Answer 39

MX Adapter

Question 40

Distance is found on what 2 indicators?

Answer 40

BDHI & HSI

Question 41

This is a physical attachment to the aircraft, it is an electrical interface and houses the RT and MX adapter

Answer 41

RT Mount