IS definitions part 9

Question 1

Air Ground Communication

Answer 1

Two-way communication between aircraft and stations or locations on the surface of the earth.

Question 2

ALERFA

Answer 2

The code word used to designate an alert phase.

Question 3

Clearance Limit

Answer 3

The point to which an aircraft is granted an air traffic control clearance

Question 4

Controlled Aerodrome

Answer 4

An aerodrome at which air traffic control service is provided to aerodrome traffic

Question 5

Controlled Airspace

Answer 5

An airspace of defined dimensions within which air traffic control service is provided in accordance with the airspace classification.

Question 6

DETRESFA

Answer 6

The code word used to designate a distress phase

Question 7

Emergency phase

Answer 7

A generic term meaning, as the case may be, uncertainty phase, alert phase or distress phase.

Question 8

Forecast

Answer 8

A statement of expected meteorological conditions for a specified time or period, and for a specified area or portion of airspace

Question 9

INCERFA

Answer 9

The code word used to designate an uncertainty phase

Question 10

Incident

Answer 10

An occurence other than an accident associated with the operation of an aircraft which affects or could affect the safety of operation.

Question 11

International NOTAM Office

Answer 11

An office designated by a State for the exchange of NOTAM internationally.

Question 12

Rescue Coordination Center

Answer 12

A unit responsible for promoting efficient organization of search and rescue services and for coordinating the conduct of search and rescue operations within a search and rescue region.

Question 13

SIGMET information

Answer 13

Information issued by a meteorological watch office concerning the occurence or expected occurence of specified en-route weather phenomena which may affect the safety of aircraft operations.

Question 14

Special VFR flight

Answer 14

A VFR flight cleared by air traffic control to operate within a control zone in meteorological conditions below VMC

Question 15

Waypoint

Answer 15

A specified geographical location used to define an area navigation route or the flight path of an aircraft employing area navigation. Waypoints are identified as either:

Fly-by Way point: A waypoint which requires turn anticiation to allow tangential interception of the next segment of a route or procedure; or
Flyover Waypoint: A waypoint at which a turn is initiated in order to join the next segment of a route or procedure.