ET VOL 4 CH 3,4 Flashcards Preview

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Flashcards in ET VOL 4 CH 3,4 Deck (54)
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1

2

Of the following information, which could be provided by modern IFF systems?

1. Mission of the target 2. What squadron the target belongs to 3. The altitude of an aircraft (side number)?

3

What are the three basic steps of the IFF identification process

Challenge, reply, and recognition

4

The spacing between IFF interrogation pulse pairs is determined by which of the following factors?

Mode of IFF operation

5

When you use IFF, a dashed line just beyond the target on your radar screen indicates which of the following craft?

A friendly craft

6

The Mark XII IFF aystem is capable of how many modes of operation?

5

7

Which IFF unit provides the control signals that determine the MK XII mode of operation?

Video decoder

8

Which of the following modes of IFF operation is NOT a selective identification feature (SIF) mode?

C

9

The transponder of a pilotless aircraft, responding to a SIF mode interrogation, would send which of the following replies?

X-pulse

10

Which of the following codes could be selected as an IFF transponder reply code for mode 1 operation?

4300 (first 0-7) (second 0-3) (remaining 2 digits 0's)

11

A major failure in your radio room has knocked your communications off the air. Which of the following codes should you set in the IFF transponder for mode 3/A replies?

7600

12

What reply code in IFF is 7700?

civilian emergency

13

what reply code in IFF is 7777?

interceptors on active ait defense missions

14

what reply code in 3/A mode withh trigger FAA towers?

7500,7600,7700,7777

15

Which of the following IFF mode 3/A reply codes may your ship use in U.S. national air space?

5011, (50XX, 54XX,61XX,64XX

16

Which of the following IFF mode C reply codes will your ship use?

0000

17

A commercial airliner using TCAS could mistake your ship’s IFF mode C reply for which of the following structures?

A small aircraft flying at about 10,000 feet

18

general aircaft fly below how many feet

12,500?

19

Under which of the following circumstances may you operate IFF in mode C when your ship is in or near port?

When testing with the antenna disconnected

20

The MK XII IFF system requires triggers to initiate interro– gations. Where do they come from?

The pulse generator of the IFF interrogator

21

You would find direct altitude readouts for IFF mode C replies on which of the following displays?

Intratarget data indicator

22

All the indicators on your ship that are interfaced with IFF have ring-around. Which of the following places will the problem most likely be found?

Primary radar antenna

23

The antenna pedestal assembly is being rotated at 21 rpm. To what mode of operation is your IFF manual pedestal set?

Slave (2-30 rpm)

24

What are the different Mode of operations for the manual pedestal set?

1. Free-Run (15RPM) 2.Slave(2-30RPM) 3.Manual (any Azimuth)

25

Which of the following modes of IFF operation does/do NOT require that reply codes be set by thumbwheel switches?

4

26

You would need written permission from the Skipper to work on which of the following units without formal training?

KIT–1A/TSEC, ,KIR-1,KIK-18

27

Which of the following agencies is/are involved in agreements made under the AIMS program?

1. The Air Force 2. The Navy 3. The FAA

28

You are at a shore installation and your DAIR system alarms when the target strays ±300 feet from the controller–assigned altitude. What type of DAIR system do you have?

type-10 radar

29

What are the different types of DAIR(direst altitude and identify readout)

Type 8 CArrier Type 10 Radar Type 12 Amphibous

30

A controller using a CATCC DAIR system has which of the following information available at his/her console?

1. Flight identity 2. Flight altitude 3. Ship’s barometric pressure