Navedtra 14089 Et Volume 4 Chap 2,3

Front 1

On an AO class ship, what radar is used as the primary surface search and navigation radar?

Back 1

AN/SPS-55

Front 2

Which of the following radars replaces a variety of small commercial radars?

Back 2

AN/SPS-64(v)9

Front 3

Which of the following radars was developed to detect small surface targets from a range of 50 yards to the radar horizon?

Back 3

AN/SPS-55

Front 4

Which of the following radars performs navigation, station keeping, and general surface search functions on the DDG-51 class ship?

Back 4

AN/SPS-67(v)3

Front 5

An AN/SPS-67 radar operating in a short pulse mode will have what pulse repetition frequency?

Back 5

2400

Front 6

The AN/SPS-10 antenna and pedestal assembly on you ship has just been replaced with a low-profile, nuclear-survivable antenna assembly. What new radar has been installed?

Back 6

AN/SPS-67(v)3

Front 7

At which unit of an AN/SPS-67 will the dummy load be mounted?

Back 7

Receiver-transmitter unit

Front 8

The AN/SPS-67(v)1 radar will NOT interface with which of the following systems?

Back 8

AN/ALA-10

Front 9

Use of BIT circuitry in the AN/SPS-67 radar will have which of the following results?

Back 9

It will locate 96% of failures to four possible modules within the receiver-transmitter and video processor

Front 10

Which of the following information/support is available for the AN/SPS64 technician?

Back 10

Technical Repair Standards

Front 11

A radar video converter (RVC) modification of the AN/SPS-55 was developed for which class of ship?

Back 11

FFG-61

Front 12

Which of the following missions is not supported byt the AN/SPS-55 radar?

Back 12

AAN

Front 13

The AN/SPS-55 radar, without any modifications, will interface with which of the following systems?

Back 13

AN/SLA-10

Front 14

An operating AN/SPS-55 radar goes into standby mode and an indicator is activated at the RSC. What is the probable cause?

Back 14

A low-voltage condition has occurred

Front 15

What is the primary function of an AN/SPS-49 radar?

Back 15

Support of AAW

Front 16

You are on an AEGIS cruiser and you 2D air search radar has been modified to have a direct digital interface with the AGEIS combat system. What is the nomenclature of you radar after the modification is complete?

Back 16

AN/SPS-49

Front 17

The AN/SPS-49 radar has how many variant configurations?

Back 17

9

Front 18

If the AN/SPS-49 radar on your ship has ATD and no cooling system, which variant configuration is installed?

Back 18

(v) 7

Front 19

Which of the following Navy Enlisted Classification codes applies to the AN/SPS-49 (v)1, (v)2, (v)3, (v)4 and (v)6 radars?

Back 19

1503

Front 20

The AN/SPS-40B/C/D/E radar operates at what antenna rate for (a) high data rate capabilities and (b) long-range mode?

Back 20

(a) 15 rpm
(b) 7.5 rpm

Front 21

The OMTI field change of the AN/SPS-40 b/C/D radar accomplished which of the following results?

Back 21

Replaced the duplexer with a solid state unit

Front 22

What Navy Enlisted Classification code applies to the AN/SPS-40 B/C/D radar with filed change 11?

Back 22

1508

Front 23

How often will antenna and pedestal restoration be performed on the AN/SPS-40B/C/D/E radar?

Back 23

About every 3 years

Front 24

the AN/GRN-27 radar antenna group provides constant radiation altitude coverage of how many degrees above the peak of the beam?

Back 24

30 degrees

Front 25

In the AN/GRN-27, which of the following video signals are provided to the processor unit by the receiver?

Back 25

Moving target indicator video

Front 26

Which of the intercommunication system stations are located in the transmitter building group of the AN/GPN-27 radar?

Back 26

One master station and one slave station

Front 27

Where is the 16-inch maintenance ppi for the AN/GPN-27 located?

Back 27

Transmitter building

Front 28

The operator of which type of radar is able to control the antenna when searching in a target sector?

Back 28

3D air search

Front 29

Which of the following statements describes the radiated frequency of a 3D air search radar during electronic scanning?

Back 29

It changes in discrete steps at each elevation angle

Front 30

Which is a Precision Approach Landing System?

Back 30

AN/SPN-46

Front 31

Which of the follwing systems is installed at naval air stations of PALS training of flight crews, operators, and maintenance personnel

Back 31

AN/SPN-46(v)2

Front 32

How many aircraft can the AN/SPN-46 control simultaneously and automatically during the final approach and landing phase of carrier recovery operations?

Back 32

2

Front 33

In which mode(s) of operation does the AN/SPN-46 transmit command and error signals via Link 4A for automatic control?

Back 33

Mode I

Front 34

During Mode II operation of the AN/SPN-46, the pilot receives command and error information via what medium?

Back 34

Cockpit display

Front 35

Which of the 26 units in the AN/SPS-46(v) 1 is/are not used by the AN/SPN-46(v)2

Back 35

Mk 16 stable elements (units 17 and 18)

Front 36

Which unit of the AN/SPN-46 automatically switches the AN/TPX-42(v)8 into a master computer configuration of the CCS

Back 36

Digital data switchboard (unit 14)

Front 37

Which unit of the AN/SPN-46 provides a maintenance intercom for troubleshooting purposes?

Back 37

PRI-FLI indicators (unit 6)

Front 38

Of the following radars, which would be used at a naval air station to replace the PAR portion of the AN/CPN-4 family of equipment?

Back 38

AN/MPN-23

Front 39

Which of the following radar repeaters, if any, has range-only capability?

Back 39

A Scope

Front 40

A printed circuit board in the CV-3989/SP signal Data Converter is faulty. The replacement value of the PCB is $627.00. Who, if anyone, will repair the PCB?

Back 40

Depot level maintenance personnel

Front 41

The electronic bearing circle displayed around the AN/SPA-25G has bearing markers labeled numerically at what points?

Back 41

Every 10 degrees

Front 42

The SB/4229/SP Switchboard can accept many signal inputs. Which of the following statements is most correct about it's input capabilities?

Back 42

it can accept signals from 16 radar sets

Front 43

SB-4229/SP can accept RADDS data stream inputs from how many separate signal data converters?

Back 43

16

Front 44

A total of how many different operators can select input sensors from the SB-4229/SP for display at their indicator?

Back 44

9

Front 45

Which of the following radar indicators is used to obtain altitude information?

Back 45

RHI

Front 46

On an RHI, which of the following is an indication of a target?

Back 46

A vertical blip

Front 47

How do you determine the target height when using an rhi?

Back 47

Adjust height line; then read it from the altitude counters

Front 48

You are on an NTDS-equipped ship. What function, if any, does the AN/SPA-25G perform?

Back 48

Backup radar indicator

Front 49

Which radar repeater is used primarily by maintenance personnel to evaluate the operation of a radar?

Back 49

A scope

Front 50

What are the three basic steps of the IFF identification process?

Back 50

Challenge, reply, and recognition

Front 51

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

Back 51

Mode of IFF operation

Front 52

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

Back 52

A friendly craft

Front 53

A craft that the operator has voice communications with the Mark XII IFF system is capable of how many modes of operation?

Back 53

5

Front 54

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

Back 54

Video decoder

Front 55

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

Back 55

C

Front 56

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

Back 56

X-pulse

Front 57

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

Back 57

4300

Front 58

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

Back 58

7600

Front 59

Which of the following IFF mode 3/A reply codes may you ship use in US national air space?

Back 59

5011

Front 60

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

Back 60

0000

Front 61

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

Back 61

An airport tower

Front 62

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

Back 62

When testing with the antenna disconnected

Front 63

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

Back 63

The pulse generator of the IFF interrogator

Front 64

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

Back 64

Intratarget data indicator

Front 65

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?

Back 65

IFF transponder section

Front 66

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

Back 66

Slave

Front 67

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

Back 67

3/A

Front 68

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

Back 68

KIT-1A/TSEC

Front 69

Which type of DAIR system is used at major shore installations?

Back 69

Type 10

Front 70

Which type of DAIR is used at expeditory airfields?

Back 70

Type 5

Front 71

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?

Back 71

Type 5

Front 72

Which type of DAIR system would be used for amphibious operations?

Back 72

Type 12

Front 73

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?

Back 73

Type 8

Front 74

Which type of DAIR system has the AOA as its responsibility area?

Back 74

Type 12

Front 75

On board you carrier you have just updated you AN/TPX-42A(v)8 to a (v)12. Which additional system can now interface with your DAIR?

Back 75

ITAWDS

Front 76

A technician trained to maintain a RATCF DAIR system will have what NEC?

Back 76

ET-1578

Front 77

A technician trained to maintain an AIMS Mk XII IFF system will have what NEC?

Back 77

ET-1572

Front 78

A technician trained to maintain an AATC DAIR sysgtem will have what NEC?

Back 78

ET-1576

Front 79

Which of the following systems, if any, integrates other systems and subsystems to perform detection and entry functions?

Back 79

NTDS

Front 80

As an ET you are responsible for maintenance on which of the following NTDS-related equipment?

Back 80

Video and sync amps

Front 81

What publication if any, provides information on radar and NTDS as an integrated system on you ship?

Back 81

CSTOM