• Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

Card Range To Study

through

image

Play button

image

Play button

image

Progress

1/106

Click to flip

Use LEFT and RIGHT arrow keys to navigate between flashcards;

Use UP and DOWN arrow keys to flip the card;

H to show hint;

A reads text to speech;

106 Cards in this Set

  • Front
  • Back

A circle formed on the surface of a sphere by the intersection of a plane that passes through the center of the sphere

Great Circle

The reference line used to measure longitude

The Prime Meridian

The places where meridians and parallels cross

Coordinates

Used to measure angular distance east and west of the prime meridian

Longitude Lines

Parallels and Meridians are divided in ______ _____ & _______

degrees, minutes, and seconds

Used for measuring degrees of latitude north and south of the equator

Parallels of Latitude

One minute of longitude along the equator is equal to ____ NM

1

When Coordinates are used to define position, is latitude or longitude stated first?

Latitude

The shortest distance between two points on a sphere, such as the earth

Great Circle Route

A line which makes the same angle with each meridian of longitude, and is longer than a great circle route

Rhumb Line

Must be used for all mileage’s in IFR planning and operations. It is also used in conjunction with federal airways and is used for aircraft separation rules

Nautical Mile (NM)

1 NM is equal to:

-6,076.1 feet


-1.15 statute miles


-1 minute of latitude

Always used in conjunction with visibility

Statute Mile (SM)

1 SM is equal to:

-5,280 feet


-0.87 NM

Knot (KT)

-1 NM


- NM and KTs are universal in ATC

NM conversion Formula

NM = SM x .87

SM conversion Formula

SM = NM x 1.15

Also Referred to as “Zulu” time

Coordinated Universal Time (UTC)

The Earth is divided into ____ time zones

24

Four time zones of the United States

Eastern


Central


Mountain


Pacific

Each zone is ____ of longitude wide starting at the prime meridian

15 Degrees

To convert from LST to UTC

- First convert to 24 hour clock


- Determine appropriate conversion factor and apply

Daylight Savings Time (DST)

Starts at 2am the second sunday in March, and ends at 2am on the first Sunday in November

Indicated Airspeed (IAS)

Shown on the aircrafts airspeed indicator


Used in pilot/controller communications

True Airspeed

Relative to undisturbed air mass


Used in:


-Flight Planning


-En route portion of flight

Ground Speed

The speed of an aircraft relative to the surface of the earth is true airspeed corrected for the effects of wind

Mach Number

Ratio of true airspeed to the speed of sound, expressed in decimal form

ToA

indicated airspeed decreases with increases in altitude and temperature

Air becomes ________ as temperature increases

Less Dense

A mass of air moving over the Earth’s Surface in a definite direction

Wind

Wind is stated to include the following:

Direction from which the wind is blowing


Velocity in knots

Winds affect on Ground speed

Increased by tailwind


Reduced by headwind

Affects speed and direction of flight

Crosswind

Represents the intended path of the aircraft over the earths surface

True Course

What an free object will do as the air moves downwind with the speed of the wind

Drift Angle

The actual path that the aircraft has flown over the earths surface

Track

In one hour, an aircraft drifts downwind an amount....

Equal to wind speed

True Heading (TH) =

True Course (TC) Corrected for wind



TC +/- WCA = TH

It is the controllers responsibility to compensate for wind speed and direction when:

Formulating Estimates


Issuing Radar Vectors

Variation

The angular difference between True north and Magnetic north

Isogenic Lines

Connect points of equal difference between true and magnetic north

Agonic Line

Connects points of zero variation



There is only 1 Agonic Line

Magnetic Heading (MH) =

True Heading (TH) corrected for Variation


TH +/- VAR = MH

The error of a magnetic compass due to magnetic influence in the structure and equipment of the aircraft

Deviation

Results from magnetic influences within aircraft

-Electrical circuits


-Engine


-Other magnetized parts

Compass Heading =

Compass Heading (CH) is the magnetic heading (MH) corrected for Deviation


MH +/- DEV = CH

Navigation of an airplane solely by means of computations based on airspeed, course, heading, wind direction, and speed, ground speed, and elapsed time

Dead Reckoning

The determination of position by identification of landmarks from their representation on a chart



Suitable for slow aircraft flying close to the ground

Pilotage

In flight planning, aviation charts are used to plot and determine

True Course


Distance


Variation

Any electronic device, airborne or on the surface, which provides point-to-point guidance information or position data to aircraft in flight

Radio Navigational Aid

8 Radio, self contained, and satellite navigation systems

NDB


VOR


TACAN


DME


VORTAC


ILS


INS


GNSS

Compass Locator

When a radio beacon is used in conjunction with the Instrument Landing System (ILS) markers

Non-Directional Radio Beacon (NDB)

An Low medium frequency or ultra high frequency radio beacon transmitting non-directional signals whereby the pilot of an aircraft equipped with direction finding equipment can determine his/her bearing to or from the radio beacon and “home” or track to or from the station

All radio beacons except the ___________, transmit continuous three-letter identification in morse code except during voice transmissions

Compass Locators

Least accurate NAVAID

NDB

VHF Omni-Directional Range (VOR)

Ground-based electronic navigational aid transmitting very high frequency navigation signals, 360 degrees in azimuth, oriented to magnetic north

Primary navigation facility for civil aviation in the NAS

VORs

Three classes of VORs:

T (Terminal) : used for navigation in a terminal area around an airport


L (Low altitude) : Generally used to navigate on airways


H (High Altitude) : Used to navigate on all ATS routes

The effectiveness of the VOR depends on what?

Proper use and adjustment of both ground and airborne equipment

The accuracy of course alignment of the VOR is generally plus or minus ____ degree

One

Tactical Air Navigation (TACAN)

A ultra-high frequency electronic navigation aid which provides suitably equipped aircraft continuous indications of bearing and distance to the TACAN station

Distance Measuring Equipment (DME)

Equipment (airborne and ground) used to measure, in nautical miles, the slant range distance of an aircraft from the DME navigational aid

Distance information received from DME equipment is ________ distance and not actual horizontal distance

Slant Range

Difference between slant range and horizontal distance is greatest _______

Near the NAVAID, at high altitude

DME Distance is displayed _____

as slant range distance

A vortac provides three individual services at one site

VOR Azimuth


TACAN Azimuth


TACAN distance (DME)

TACAN frequencies are in the ________ band

UHF

What DME equipment on the ground is required to respond to the aircraft interrogator?

Transponder

The ILS is designed to provide

An approach path with both course and altitude guidance


An exact alignment and descent of an aircraft on final approach to a specific runway

The directional transmitter are known as the ______ and _______

localizer and glide slope transmitters

Primary components of the ILS

Localizer


Glide Slope


Marker Beacon

Provides horizontal (left/right) guidance along the extended centerline of the runway

Localizer

Provides the vertical (up/down) guidance along the descent path toward the runway touchdown point

Glide Slope

Gives Range information along the approach path

Marker Beacon

ILS Supplementary Components

Approach Lights


Compass Locator


DME

Assisting in the transition from instrument to visual flight

Approach Lights

A low power, low or medium frequency (L/MF) radio beacon installed at the site of the outer or middle marker

Compass Locator

Collocates with the GS Transmitter providing positive distance-to-touchdown information or DME associated with another nearby facility (VOR or standalone), if specified in the approach procedure

DME

The Localizer signal is usable:

Vertically and Laterally

When is the ILS approach not usable?

if the localizer is out of service

What do approach lights provide?

The basic means to transition from instrument flight to visual light for landing

Provides aircraft position and navigation information in response to signals resulting from inertial effects (from the movement of the aircraft) on system components

The inertial Navigation System (INS)

What is the INS comprised of?

Gyros, accelerometers, and a navigation computer

INS accuracy is very high following initial alignment and decreases with time at the rate of _______

1-2 nautical miles per minute

Refers collectively to the worldwide positioning, navigation, and timing determination capability available from one or more satellite constellation in conjunction with a network of ground stations

Global Navigation Satellite System (GNSS)

A satellite-based radio navigation system, which broadcasts a signal that is used by receivers to determine precise position anywhere in the world

The Global Positioning System (GPS)

A minimum of how many satellites is necessary to establish an accurate three-dimensional position?

Four

Who is responsible for operating the GPS satellite constellation and monitors the GPS satellites to ensure proper operation

The department of Defense (DOD)

A satellite navigation system consisting of the equipment and software which augments the GPS Standard Positioning Service (SPS)

WAAS- Wide Area Augmentation System

Provides precision navigation guidance for exact alignment and descent of aircraft on approach to a runway

LAAS - Local Area Augmentation System

An aircraft based, self contained fault detection program, which can alert a user when questionable data is being received from a GPS satellite

RAIM - Receiver Autonomous Integrity Monitoring

A method of navigation which permits aircraft operation on any desired flight path within the coverage of ground or space based navigation aids or within the limits of the capability of self-contained aids, or a combination of these

Area Navigation (RNAV)

The FMS uses a large data base to allow routes to be preprogrammed and fed into the system by means of a ______

Data Loader

A predetermined geographical position used for route/instrument approach definition, progress reports, published VFR routes, or visual reporting points that are defined relative to a VORTAC station or in terms of latitude/longitude coordinates

Waypoint

What makes up an RNAV route?

A series of waypoints

What is required for all IFR aircraft on all random RNAV routes (except in Alaska)?

Radar monitoring by ATC

Three fixed route systems are established for air navigation purposes

Airways (class E airspace)


Jet Route System (Class A Airspace)


RNAV Routes (Class A and Class E airspace)

Where is the changeover point?

Unless otherwise charter, it is midway between NAVAIDS

Where are VOR airways established?

in class E airspace in the form of a corridor, centerline of which is defined by radio navaids

The VOR airway system consists of what airways?

airways designated generally from 1,200 feet AGL up to, but not including, 18,000 feet MSL

A segment of an airway, which is common to two or more routes _________

Carries the numbers of all the airways that coincide for that segment

What routes does the jet route system consist of?

Routes established from 18,000 feet MSL to FL450 inclusive

What prohibits the establishment of jet routes above FL450?

NAVAID Limitations

What are the two types of published RNAV routes?

Q Routes


T Routes

Used by aircraft operating from 18,000 feet MSL up to and including FL450, and are depicted on en route high altitude charts

Q Routes

Used by aircraft operating up to, but not including 18,000 feet MSL, and are depicted on en route low altitude charts

T Routes