Navigation

Question 1

LWINS

Answer 1

Light Weight Inertial Navigation System - Total of 3 navigation sets with interface to the GPS to provide navigation data to MCs and attitude data to FCCs

Question 2

MAGR

Answer 2

Miniature Airborne GPS Receiver - Uses satellite and internal computers to provide date, time, lat/long, altitude, velocity to INS and MCs

Question 3

Kalman Filter

Answer 3

Mathematical program that blends GPS data with INS data to provide accurate position

Question 4

TACAN Range

Answer 4

Up to 390 nm

Question 5

PARTIAL NAV READY advisory

Answer 5

A single INS has completed full alignment

Question 6

NAV READY advisory

Answer 6

All 3 INSs have completed alignment

Question 7

Figure of Merit (FOM)

Answer 7

Displayed in the upper left corner of the PFD, VSD, and Hover Display. It represents the quality of the position data used for navigation. The Lower the number the more accurate the position.

Question 8

FOM 1

Answer 8

Less than 26 meters position error

Question 9

FOM 2

Answer 9

26-50 meter position error

Question 10

FOM 3

Answer 10

51-75 meter position error

Question 11

FOM 4

Answer 11

76-100 meter position error

Question 12

FOM 5

Answer 12

101-200 meter position error

Question 13

FOM 6

Answer 13

201-500 meter position error

Question 14

FOM 7

Answer 14

501-1,000 meter position error

Question 15

FOM 8

Answer 15

1,001-5,000 meter position error

Question 16

FOM 9

Answer 16

Greater than 5,000 meter position error

Question 17

DEGRADED NAV READY advisory

Answer 17

At least one LWINS is in degraded NAV mode meaning that less than full navigation mode but better than attitude mode.

Question 18

POSITION DISAGREE Advisory

Answer 18

There is a difference in position of more than 250 meters between any of the LWINS

Question 19

GPS MONITOR FAULT Advisory

Answer 19

GPS horizontal or vertical limit has been exceeded or it is unusable to detect and report an exceedence due to less than 5 satellite vehicles

Question 20

GPS PERFORMANCE DEGR Advisory

Answer 20

GPS solution is degraded due to poor satellite signal quality or it is not in sync with LWINS

Question 21

Range to Display a JOG in CHART mode of the NAV Layer

Answer 21

10nm (1:250,000 scale)

Question 22

Range to Display a TPC in CHART mode of the NAV Layer

Answer 22

20nm (1:500,000 scale)

Question 23

Range to Display a ONC in CHART mode of the NAV Layer

Answer 23

40nm (1:1,000,000 scale)

Question 24

TRN Mode of the NAV Layer

Answer 24

Digital Terrain Elevation - Presents geo-referenced presentation of terrain features

Question 25

IMAGE Mode of the NAV Layer

Answer 25

Black and White satellite image of the terrain

Question 26

DATA FRAME Mode of the NAV Layer

Answer 26

Stores up to 100 scanned images that can be stored and displayed on the MFD. Includes: Photographs, Pages from NATOPS, Approach Plates etc.

Question 27

Switch labeled FOV on the track handle, locate left of the hat switch

Answer 27

It is the Range Switch which allows the pilot to change the map range. Push forward to increase or aft to decrease the range

Question 28

Button labeled POL on the track Handle , located below the Range switch on the left side of the track handle

Answer 28

Function Cancel Button, allows cancelling of the selected map function

Question 29

Button labeled MAN on Track handle, located directly aft of the hat switch

Answer 29

Center Cursor button used to center the map display about the map cursor

Question 30

Hat switch on the track handle (Labeled SLEW)

Answer 30

Slew/Designate switch, allows the pilot to control the movement of either the map cursor over the map or under the cursor. Pressing the switch captures whatever is under the cursor

Question 31

ENHANCED FPLN Mode

Answer 31

Mission Computer calculates power and fuel data: 1) Future power, 2) power available, 3) power required. 4) Fuel calculation for both current and future legs

Question 32

LEG END key of the Hover Performance Menu

Answer 32

The leg parameters "at the end" of the selected leg are used as inputs into the hover performance calculations.

Question 33

CUR FPLN CONFLICT Caution

Answer 33

Active flight plan's Electronic Order of Battle (EOB) queue has at least one unacknowledged threat conflict. Meaning that the DDMS has determined that a threats detection ring plus a radius EOB buffer value intersects a leg of any flight plan.

Question 34

RMU

Answer 34

Removable Memory Unit - Stores map representations and provides a storage location for all DDMS data and supplies digital data to the Display Electronics Unit (DEU).

Question 35

Data stored on RMU

Answer 35

Aeronautical Charts (CHART), Digital Terrain (TRN) Elevation Data, Controlled Image (IMAGE) Base, and Data Frames (DATA FRAME).

Question 36

UPD/STOR function of the Mission Management System

Answer 36

Allows pilots to create up to 45 waypoints by overflying a position or by using the FLIR

Question 37

Range of numbers assigned to overfly waypoints

Answer 37

950 to 994

Question 38

What is the total number of flight plans and legs available at any one time in the Mission Management System

Answer 38

5/100

Question 39

Go Around Button

Answer 39

Pinky on TCL. Used to transition from hover or low speed flight to 100 kts. (If activated above 100 kts it will maintain airspeed at activation.

Question 40

ALT REF Button

Answer 40

Pointer finger on TCL. Enables selection current altitude as reference altitude on FDP and engages altitude hold mode

Question 41

Where are LWINS located

Answer 41

All 3 are in the left avionics closet

Question 42

According to Assault Support Tactical Standard Operating Procedures Routes shall be named using ___

Answer 42

State names

Question 43

Low altitude environment is defined as ___

Answer 43

500ft and below

Question 44

Medium altitude environment is defined as ___

Answer 44

500ft to 13,000ft

Question 45

High altitude environment is defined as ___

Answer 45

13,000ft and above

Question 46

How are route checkpoints named

Answer 46

Named after cities within the state the route is named for

Question 47

Planning Airspeeds

Answer 47

Max Range - 200 KCASCruise - 220 KCASTactical - 240 KCAS

Question 48

Height Above Threshold on the MAP Layer

Answer 48

Used when terrain avoidance is required to accomplish a mission when flying low altitude tactics. A translucent yellow or red overlay is placed on terrain above the selected altitude.

Question 49

GPS Almanac

Answer 49

Contains orbital data on all the GPS satellites which the GPS receiver uses to identify the location of a particular satellite

Question 50

How long is GPS Almanac good for

Answer 50

30 days