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Sun’soutGunsout > T-Nav > Flashcards

T-Nav Flashcards

1
Q

How many satellites can each MMR/EGI+ track? 

A

12

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2
Q

Which components does the MMR/EGI+ use information from to estimate the aircraft state? 

A

INU/GPS (MMR/EGI+), DRVS, HADS, and the MP

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3
Q

From which page is the manual primary INU selection made?

A

TSD-UTIL Page

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4
Q

What is the function of the DRVS in the NAV system?

A

Provides aircraft referenced ground velocity information to the EGI’s. 

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5
Q

When does the “ altitude lo” audio activate?

A

10’ or less- audio upon breach
11’-999’ - audio at 10% below setting
1000’-20,000’ - audio at 100’ below setting

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6
Q

What database points will the crew gain access to by selecting the COORD - TYPE page?

A

System, User, ASE, and DAFIF

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7
Q

Which page would you go to in order to view the shot-at coordinates?

A

COORD- Shot page

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8
Q

The control measure coordinates are stored in which fire locations within the 1000 point database

A

Reserved positions 51-99 and displayed as C51-C99. Once 51-99 are filled, points will go into the shared area. (100-950)

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9
Q

The waypoint and hazards are stored in which file locations within the 1000-point database?

A

Reserved positions 01-50, and displayed as Wxx or Hxx, where xx is 01-50. Once 1-50 are filled, points will go into the shared area (100-950)

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10
Q

When present position (PP) reports are received, they are stored as what type of point?

A

System Point(s)

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11
Q

Can the targets and threats (T01-T25), loaded from the RMM be over written, using store or add function?

A

No. Not by the crewmember. However, if you receive an IDM target indexed with a number that would be in your safe set, it will overwrite the current safe set value. 

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12
Q

The TSD correlates what two types of information on a single display?

A

Navigation and Battle Management

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13
Q

What do the boxed selections indicate when the NAV and ATK SHOW pages are initially selected?

A

Default settings

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14
Q

Which SHOW pages have separate NAV and ATK selections?

A

Top level SHOW and COORD SHOW (subpage)

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15
Q

The EGI’s POSITION CONFIDENCE value on the TSD-UTIL page provides what?

A

Provides a 95% radial error estimate, in meters, of how good the EGI’s PP information is.

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16
Q

Which page displays the EGI satellite tracking information to the aircrew?

A

TSD-UTIL page

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17
Q

Name the two ways the crew can get to the abbreviations page.

A

TSD-UTIL ( then ABR at T4)
TSD-POINT ( then ABR at T4)

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18
Q

Can the NAV FLY-TO be turned off on the flight page?

A

No, only selectable for HMD

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19
Q

What page can the crew go in order to remove the NAV FLY-TO Cue from their HMD?

A

TSD, SHOW, HMD SHOW, then deselect at R2.

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20
Q

What information is displayed in the Next WP Status window?

A

The Fly-To Point, Distance to Fly-To, Groundspeed, and Time till arrival based on current groundspeed.

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21
Q

Which pages, buttons, or tasks freeze the TSD map while specific tasks are being accomplished?

A

BAM, CAQ, FRZ, PAN

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22
Q

A TSD pop-up menu will appear when you Cursor Select what type of point?

A

A waypoint, hazard, control measure, target, DAFIF, SA icon.

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23
Q

Where are the current magnetic HDG and the magnetic HDG to the next WP location?

A

Magnetic HDG: Top center of the TSD magnetic HDG to next WP: bottom center of the TSD

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24
Q

What piece of equipment provides SA information?

A

The IDM- provided you are logged into the Tactical Internet

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25
Q

When one of more messages exist in the IDM message buffer, what indication does the crew get on the TSD page?

A

A white REC will appear at L2 on the TSD base page.

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26
Q

What does the number between the up and down arrows at (R1 and R2) indicate on the TSD page?

A

The number indicates the Map Viewing Range, distance from edge-to-edge of the MPD.

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27
Q

What is DTED?

A

Digital Terrain Elevation Data. (map elevation detail)

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28
Q

What types of maps are available for display on the MPD?

A

Digital (dig), Tactical Chart (TAC Chart), Satellite (sat), Civilian Chart, and Stick.

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29
Q

A grid status window appears in the upper right corner of the TSD when the grid option is active. What does it represent?

A

Distance between the grid lines.

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30
Q

What does a gray screen with a black cross pattern area of the map indicate?

A

The default scale map is not loaded on the RMM.

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31
Q

What 3 map orientation options are available from the Map page? Which orientation is the default option?

A

North-up, Track-up (default), and Heading-Up.

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32
Q

What types of points can be stored?

A

WP, HZ, CM, TG, and MK.

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33
Q

What is an identifier?

A

And identifier is the two letters from the abbreviations page that will further identify a coordinate point beyond the type and determine the TSD icon presented.

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34
Q

What process allows the crewmember to change the IDENT as desired?

A

The EDIT process.

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35
Q

What will be used to compute altitude when adding points?

A

DTED, then aircraft present position altitude.

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36
Q

The three methods available to complete a way point store must be initiated from which page?

A

TSD- POINT- STO- TYPE to WP

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37
Q

During the add or edit process, the crewmember uses the KU to add/edit data in the database. What information will be entered if no keyboard entry is made, and the crewmember simply selects enter on the KU?

A

The information displayed at L1 is automatically accepted as the data for that portion of the add/edit process.

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38
Q

How many points can be placed in a route?

A

400

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39
Q

What is the ADD button used for?

A

To ADD an existing point to a route.

40
Q

How is the RTM page accessed?

A

Only through the RTE page. RTE-RTM

41
Q

How should points be inserted into a RTE?

A

Select ADD option on the RTE PAGE
Select the “in front of” location for the point
Select the point
(Added below the highlighted point)

42
Q

“WPT approach” will display on the EUFD under what conditions?

A

1 min out from the point with neither crew station displaying a TSD. Selecting the TSD will clear the message.

43
Q

What types of points can be added to a route?

A

Waypoints, Hazards, Control Measures, Targets, and DAFIF.

44
Q

What is the purpose of the BAM page?

A

Create, assign, and transmit (PF) zones
Create and transmit (NF) zones
View hellfire exclusion zones (HF)
Assign non-target designation (NT) zones

45
Q

What is the maximum amount of PF zones that can be displayed in the TSD?

A

8

46
Q

In what color are NF zones displayed?

A

Yellow

47
Q

How can the crew determine which PF/NF zones are active?

A

Displayed as a scrolling marquee.

48
Q

Which PF/NF zone draw mode allows the crewmember to form rectangular boxes by selecting two points with the cursor?

A

Box

49
Q

What is the purpose of the Zone Number (#Z) button?

A

To determine how many zones will drawn before presenting the ASN button.

50
Q

When is the PF ASN button displayed?

A

After the selected number of zones have been drawn.

51
Q

When will the Update Position Advisory message be displayed on the EUFD?

A

When the primary EGI PC is greater than 1850M.

52
Q

How long does it approximately take to complete an EGI IBIT?

A

Five and one-half minutes (5.5 min)

53
Q

What will happen to the altitude readouts when the radar altimeter performs a functional BIT on power-up of the unit?

A

Altitude readout will rise to approximately 1000ft and then return to zero.

54
Q

How long does it approximately take to complete a Doppler IBIT?

A

20 seconds

55
Q

How much error exists if you are experiencing a Velocity Miscompare?

A

> 10 kts in any axis

56
Q

How much error exists if you are experiencing an Attitude Miscompare?

A

> 3 degrees in either pitch or roll

57
Q

How much error exists if you are experiencing a Heading Miscompare?

A

> 4 degrees

58
Q

When will a HDG button appear at L5 on the TSD and what advisory message will be displayed in the EUFD when the white HDG button appears?

A

HDG will appear when the primary EGI heading is off by least 10°. The associated message in the EUFD will be UPDATE HEADING.

59
Q

How many preplanned AMPS routes can be pre-loaded into the system?

A

Up to 10 Routes containing WPs, HZs, CMs, TGs and DAFIF

60
Q

What does the Internal Navigation Unit (INU) provide

A

Aircraft position, attitudes, rates, and accelerations to the Mission Processor (MP) for ballistic computations and weapons constraint calculations

61
Q

Describe the Kalman Filter

A

Inertial navigation computations used to determine Aircraft Data (uses INU, DRVS, GPS, HADS, MP)

62
Q

What does aircraft data derived from the EGI’s consist of?

A

Heading, Attitude, Velocity, Position, Position Error Estimate, Angular Rate, Acceleration

63
Q

What are the four different types of alignment that are done by MMR/EGI?

A

Land, Sea - Moving, Sea - Stationary, Air

64
Q

How long does it take at least one EGI to find its heading within 10 degrees?

A

70 sec

65
Q

How long does it take for EGI alignment to be completed?

A

4 min

66
Q

Once EGI has found its heading to within 10 degrees what symbology becomes available?

A

Skid/Slip Ball, Heading Scale, and Lubber Line

67
Q

What are the two independent subsystems that make up the Air Data System?

A

HADS (Helicopter Air Data System), FMC (Flight Management Computer)

68
Q

What does the HADS provide to the ADS?

A

Airspeed magnitude and direction. Ambient temperature and static pressure.

69
Q

What role does the FMC play in the ADS?

A

Computes pressure altitude, pitot airspeed, density altitude related data and air mass data to be used by the MP

70
Q

What is the role of the Doppler Radar Velocity Sensor (DRVS)?

A

Provides aircraft referenced ground velocities

71
Q

The TSD-UTIL page will show this symbol when the DRVS data is in use.

A

Check mark in column D

72
Q

Radar readout will not be displayed above what altitude?

A

1420’

1428’ is the physical limit of the system.

73
Q

Selecting the left VAB on the TSD-COORD page will…

A

Make the selected point your acquisition source

74
Q

Selecting the right VAB on the TSD-COORD page will…

A

Display additional data about that point

75
Q

The User Point database will allow 1000 points under four types. What are the four types?

A

WP (Waypoint), HZ (Hazard), TG (Targets), Control Measures (CM)

76
Q

System Points are single use data points. What is the most important of the 17 possible system points?

A

PP (Present Position)

77
Q

What is the rule for color coding on Control Measure abbreviations?

A

General - Green
Friendly - Blue
Enemy - Red

78
Q

The shaded region (overflow) in the user point data can be split up into how many sections?

A

8

79
Q

Lines contain between ____ and _____ points.

A

2, 4

80
Q

(T)(F) Lines can only be loaded via AMPS.

A

True

81
Q

(T)(F) The maximum number of lines that can be stored in the NAV data base is 15.

A

True

82
Q

The edge of shading of the ____________________ on the THRT SHOW page will show the ___________________.

A

intervisibility ring, furthest visible point from the origin.

83
Q

EGI position confidence is displayed white if…

A

error is greater than 50 meters

84
Q

What is Height Above Ellipsoid?

A

The differential reference height from the mean ellipsoid height. HAE is used for more accurate target locations

85
Q

What are the different levels of DTED?

A

0, 1, and 2

86
Q

What is the difference between DTED levels?

A

Estimation of elevation takes into consideration more points providing a “higher resolution” estimation.

87
Q

A/C color banding is a function of the altimeter setting and shall not be used as the sole source of terrain separation. Why?

A

It is an estimation.

88
Q

What are the two levels of SAT maps?

A

5 and 10

89
Q

In the North-Up orientation what is the difference between centered and decentered?

A

Decentered: Ownship moves about the map

Centered: Ownship will rotate in the center

90
Q

What is the implied meaning of a transparent purple color on the map?

A

DTED coverage not available, DTED not loaded on RMM, or Processing delay

91
Q

What are the 3 different ways that you can store a point?

A

HMD LOS, TADS LOS, or Fly Over Store

92
Q

ETE/ETA for route points is given based on…

A

Flying the entire route and not flying direct

93
Q

What is the symbology that indicates the current fly-to point in the route window?

A

White underline

94
Q

What will happen after reaching a DIR-TO point that is inside a route?

A

The next point in the route will become the Fly-To, the Dir-To line will vanish and the route will now bold

95
Q

Why would you receive a WPT APPROACHING advisory on the EUFD?

A

You are 60 seconds away from your waypoint and neither crewstation is monitoring a TSD page

Sun’soutGunsout (27 decks)

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