Lesson 104 Definitions

Question 1

ATS surveillance service

Answer 1

Term used to indicate service provided directly by means of an ATS surveillance system

Question 2

ATS surveillance system

Answer 2

Generic term meaning variously, ADS-B, PSR, SSR, or any comparable ground-based system that enables identification of aircraft

Question 3

ATS surveillance

Answer 3

All methods of remotely sensing aircraft using certified/commissioned electronic equipment including PSR, SSR, MLAT, ADS-B, without the benefit of visual observation

Question 4

ATS surveillance control service

Answer 4

An air traffic control service provided with information derived from ATS surveillance equipment sources

Question 5

ATS surveillance separation

Answer 5

Spacing of aircraft in accordance with established minima, based on information derived from ATS surveillance

Question 6

ATS surveillance advisory

Answer 6

Advice and information based on ATS surveillance observations

Question 7

ATS surveillance monitoring

Answer 7

Use of ATS surveillance for providing aircraft with information and advice relative to significant deviations from their normal flight path

Question 8

Navigational assistance

Answer 8

Provision of position information, vectors, or track and ground speed checks

Question 9

Direct Controller-Pilot Communications (DCPC)

Answer 9

Communication between a controller and pilot without resort to a relay through another unit

Question 10

Control service

Answer 10

Issue clearances and instructions as necessary to maintain a safe, orderly, and expeditious flow of traffic under the control of your unit

Question 11

Separation

Answer 11

The spacing between aircraft, altitudes, or tracks

Question 12

Altitude

Answer 12

The vertical distance of a level, a point or an object considered as a point, measure from mean sea level; also called indicated altitude

Question 13

Track

Answer 13

Projection on earth’s surface of the path of an aircraft, the direction of which path at any point is usually expressed in degrees from true, magnetic, or grid north

Question 14

Controlled airspace

Answer 14

An airspace of defined dimensions within which ATC service is provided

Question 15

Radar Site Equipment (RSE)

Answer 15

A radar owned and operated by NAV CANADA

Question 16

RADAR

Answer 16

A radio detection device that provides information on range, azimuth, or elevation of objects of PSR and SSR

Question 17

Primary Surveillance Radar (PSR)

Answer 17

A radar system that detects objects by means of reflected radio signals; also called primary radar

Question 18

Secondary Surveillance Radar (SSR)

Answer 18

A radar system that requires complementary aircraft equipment (transponder); also called secondary radar

Question 19

Linkage

Answer 19

An automated or manual function that matches ATS surveillance data with flight plan data

Question 20

Automatic Dependent Surveillance - Broadcast (ADS-B)

Answer 20

A means by which aircraft, aerodrome, vehicles, and other objects can automatically transmit and/or receive data such as identification position, and additional data, as appropriate, in a broadcast mode via a data link

Question 21

NAV Canada Auxiliary Radar Display System (NARDS)

Answer 21

Distribution and display system for radar data; installed at all ACC in Canada and control towers

Question 22

Correlation

Answer 22

Matching of transmitted codes with our stored database information

Question 23

Unlinked target

Answer 23

Target that is not sending code that has been pre-selected by our database or aircraft has not set proper Flight ID

Question 24

Present Position Symbol (PPS)

Answer 24

Visual indication, in symbolic form, on a situation display, of the position of an aircraft, aerodrome vehicle, or other object obtained after automatic processing of positional data

Question 25

Controller Jurisdiction Symbol (CJS)

Answer 25

Symbol that identifies a sector

Question 26

Interrogation

Answer 26

System sends signal to airborne transponder and receives a reply

Question 27

Vertical Movement Indicator (VMI)

Answer 27

Presents an up or down arrow next to altitude and indicates whether aircraft climbing or descending

Question 28

Vertical Movement Rate (VMR)

Answer 28

Tells us rate which aircraft is climbing or descending, in hundreds of feet per minute

Question 29

Readback

Answer 29

A procedure whereby the receiving station repeats a received message or an appropriate part thereof to the transmitting station so as to obtain confirmation that the message was received correctly

Question 30

Flight Level

Answer 30

An altitude expressed in hundreds of feet indicated on an altimeter set to 29.92 inches of mercury

Question 31

Starting point

Answer 31

Aircraft's prevailing readout while in level flight

Question 32

Air traffic control clearance

Answer 32

An authorization issued by ATC unit for an aircraft to proceed within controlled airspace in accordance with conditions specified by that unit

Question 33

Air traffic control instruction

Answer 33

Directive issued by an air traffic control unit for air traffic control purposes

Question 34

Tunnel vision

Answer 34

Focusing on one situation for so long that other problems are ignored in different areas of airspace