Et Vol. 04 Ch 3

Front 1

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
4. All of the above

Back 1

All of the above

Front 2

What are the three basic steps of the IFF identification process?
1. Challenge, reply, and
recognition
2. Interrogate, transpond, and
display
3. Search, challenge, and
identify
4. Challenge, reply, and decode

Back 2

Challenge, reply, and
recognition

Front 3

The spacing between IFF
interrogation pulse pairs is
determined by which of the
following factors?
1. Timing from the primary radar
2. Rpm of the antenna
3. Mode of IFF operation
4. Amount of power out

Back 3

Mode of IFF operation

Front 4

When you use IFF, a dashed line just beyond the target on your radar screen indicates which of the following craft?
1. A craft in distress
2. A friendly craft
3. A hostile or unfriendly craft
4. A craft that the operator has voice communications with

Back 4

A friendly craft

Front 5

The Mark XII IFF system is capable of how many modes of operation?
1. 5
2. 2
3. 3
4. 4

Back 5

5 Modes

Front 6

Which IFF unit provides the
control signals that determine the MK XII mode of operation?
1. Control monitor
2. Video decoder
3. Manual pedestal control
4. Computer

Back 6

Video decoder

Front 7

Which of the following modes of IFF operation is NOT a selective identification feature (SIF) mode?
1. 1
2. 2
3. C
4. 3/A

Back 7

Mode C

Front 8

The transponder of a pilotless
aircraft, responding to a SIF mode interrogation, would send which of the following replies?
1. I/P
2. X–pulse
3. 4X
4. 7700

Back 8

X–pulse

Front 9

Which of the following codes could be selected as an IFF transponder reply code for mode 1 operation?
1. 4300
2. 4400
3. 7400
4. 7777

Back 9

4300

Front 10

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?
1. 7500
2. 7600
3. 7700
4. 7777

Back 10

7600

Front 11

Which of the following IFF mode 3/A reply codes will trigger an alarm at an FAA tower?
1. 7500
2. 7600
3. 7777
4. All of the above

Back 11

All of the above

Front 12

Which of the following IFF mode 3/A reply codes may your ship use in U.S. national air space?
1. 5011
2. 5247
3. 6247
4. 6539

Back 12

5011

Front 13

Which of the following IFF mode C reply codes will your ship use?
1. 3564
2. 5732
3. 6534
4. 0000

Back 13

0000

Front 14

A commercial airliner using TCAS could mistake your ship’s IFF mode C reply for which of the following
structures?
1. An airport tower
2. A small aircraft flying at
about 14,000 feet
3.A small aircraft flying at
about 10,000 feet
4. A bigger ship

Back 14

A small aircraft flying at
about 10,000 feet

Front 15

Under which of the following
circumstances may you operate IFF in mode C when your ship is in or near port?
1. In heavy air traffic areas
2. To make contact with the FAA tower
3. When performing operational
testing
4. When testing with the antenna disconnected

Back 15

When testing with the antenna disconnected

Front 16

The MK XII IFF system requires
triggers to initiate interro–
gations. Where do they come from?
1. The modulator of the primary radar
2. The pulse generator of the IFF interrogator
3. Both 1 and 2 above
4. The KIR–1A/TSEC

Back 16

The modulator of the primary radar

Front 17

You would find direct altitude
readouts for IFF mode C replies on which of the following displays?
1. Planned position indicator
2. Range and height indicator
3. Intratarget data indicator
4. Alarm monitor

Back 17

Intratarget data indicator

Front 18

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?
1. Primary radar antenna
2. Radar distribution switchboard
3. IFF interrogator section
4. IFF transponder section

Back 18

IFF transponder section

Front 19

The antenna pedestal assembly is being rotated at 21 rpm. To what mode of operation is your IFF manual pedestal set?
1. Free run
2. Slave
3. Manual
4. Auto

Back 19

Slave

Front 20

Which of the following modes of IFF operation does/do NOT require that reply codes be set by thumbwheel switches?
1. 3/A
2. C
3. 4
4. Both 2 and 3 above

Back 20

Both 2 and 3 above

Front 21

You would need written permission from the Skipper to work on which of the following units without
formal training?
1. MX-8758/UPX
2. AN/UPX–23
3. KIT–1A/TSEC
4. TS-1843A/APX

Back 21

KIT–1A/TSEC

Front 22

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
4. All of the above

Back 22

All of the above

Front 23

Which type of DAIR system is used at major shore installations?
1. Type 5
2. Type 8
3. Type 10
4. Type 12

Back 23

Type 10

Front 24

Which type of DAIR is used at
expeditory airfields?
1. Type 5
2. Type 8
3. Type 10
4. Type 12

Back 24

Type 5

Front 25

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?
1. Type 5
2. Type 8
3. Type 10
4. Type 12

Back 25

Type 10

Front 26

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
4. All of the above

Back 26

All of the above

Front 27

As an aircraft leaves the CATCC controller’s area of respon–sibility, it is passed to which of the following controllers?
1. Another CATCC control position
2. CIC
3. ACLS/PALS
4. Any of the above, as
appropriate

Back 27

Any of the above, as
appropriate

Front 28

Which type of DAIR system would be used for amphibious operations?
1. Type 5
2. Type 8
3. Type 10
4. Type 12

Back 28

Type 12

Front 29

Each DAIR system provides
information to allow control of aircraft within a given area. Which type has a responsibility area of 50 nautical miles surrounding the ship?
1. Type 5
2. Type 8
3. Type 10
4. Type 12

Back 29

Type 8

Front 30

Which type of DAIR system has the AOA as its responsibility area?
1. Type 5
2. Type 8
3. Type 10
4. Type 12

Back 30

Type 12

Front 31

On board your carrier you have
just updated your AN/TPX–42A(V)8 to a (V)12. Which additional system can now interface with your DAIR?
1. ITAWDS
2. NTDS
3. IFF
4. PALS

Back 31

ITAWDS

Front 32

A technician trained to maintain a RATCF DAIR system will have what NEC?
1. ET–1572
2. ET-1574
3. ET–1576
4. ET-1578

Back 32

ET-1578

Front 33

A technician trained to maintain an AIMS Mk XII IFF system will have what NEC?
1. ET–1572
2. ET–1574
3. ET-1576
4. ET-1578

Back 33

ET–1572

Front 34

A technician trained to maintain an AATC DAIR system will have what NEC?
1. ET-1572
2. ET–1574
3. ET-1576
4. ET-1578

Back 34

ET-1576

Front 35

Which of the following systems, if any, integrates other systems and subsystems to perform detection and entry functions?
1. AIMS
2. DAIR
3. NTDS
4. None of the above

Back 35

NTDS

Front 36

Which of the following are combat system functions controlled by NTDS?
1. Tracking and identification
2. Threat evaluation and weapon assignment
3. Engagement and engagement
assessment
4. All of the above

Back 36

All of the above

Front 37

As an ET you are responsible for maintenance on which of the following NTDS-related equipment?
1. Video and sync amps
2. Operator consoles
3. Gun systems
4. Missile systems

Back 37

Video and sync amps

Front 38

What publication, if any, provides information on radar and NTDS as an integrated system on your ship?
1. Handbook for shipboard
surveillance radars
2. SORM
3. CSTOM
4. None

Back 38

CSTOM

Front 39

The Combat Systems Technical
Operations Manual provides
information required to take which of the following actions?
1. Define the limitations of the NTDS system
2. Operate the NTDS system
3. Maintain the material
readiness of the NTDS system
4. All of the above

Back 39

All of the above