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is terminated. Radar service may also be provided
within the limits of necessity and capability. When a
pilot is informed of “radar contact,” he/she
automatically discontinues reporting over compulsory
reporting points.
(See RADAR CONTACT LOST.)
(See RADAR FLIGHT FOLLOWING.)
(See RADAR SERVICE.)
(See RADAR SERVICE TERMINATED.)
(Refer to AIM.)
b. The term used to inform the controller that the
aircraft is identified and approval is granted for the
aircraft to enter the receiving controllers airspace.
(See ICAO term RADAR CONTACT.)
RADAR CONTACT [ICAO]- The situation which
exists when the radar blip or radar position symbol of
a particular aircraft is seen and identified on a radar
display.
RADAR CONTACT LOST- Used by ATC to inform
a pilot that radar data used to determine the aircraft's
position is no longer being received, or is no longer
reliable and radar service is no longer being provided.
The loss may be attributed to several factors
including the aircraft merging with weather or ground
clutter, the aircraft operating below radar line of sight
coverage, the aircraft entering an area of poor radar
return, failure of the aircraft transponder, or failure of
the ground radar equipment.
(See CLUTTER.)
(See RADAR CONTACT.)
RADAR ENVIRONMENT- An area in which radar
service may be provided.
(See ADDITIONAL SERVICES.)
(See RADAR CONTACT.)
(See RADAR SERVICE.)
(See TRAFFIC ADVISORIES.)
RADAR FLIGHT FOLLOWING- The observation
of the progress of radar identified aircraft, whose
primary navigation is being provided by the pilot,
wherein the controller retains and correlates the
aircraft identity with the appropriate target or target
symbol displayed on the radar scope.
(See RADAR CONTACT.)
(See RADAR SERVICE.)
(Refer to AIM.)
RADAR IDENTIFICATION- The process of
ascertaining that an observed radar target is the radar
return from a particular aircraft.
(See RADAR CONTACT.)
(See RADAR SERVICE.)
(See ICAO term RADAR IDENTIFICATION.)
RADAR IDENTIFICATION [ICAO]- The process
of correlating a particular radar blip or radar position
symbol with a specific aircraft.
RADAR IDENTIFIED AIRCRAFT- An aircraft, the
position of which has been correlated with an
observed target or symbol on the radar display.
(See RADAR CONTACT.)
(See RADAR CONTACT LOST.)
RADAR MONITORING-
(See RADAR SERVICE.)
RADAR NAVIGATIONAL GUIDANCE-
(See RADAR SERVICE.)
RADAR POINT OUT- An action taken by a
controller to transfer the radar identification of an
aircraft to another controller if the aircraft will or may
enter the airspace or protected airspace of another
controller and radio communications will not be
transferred.
RADAR REQUIRED- A term displayed on charts
and approach plates and included in FDC NOTAMs
to alert pilots that segments of either an instrument
approach procedure or a route are not navigable
because of either the absence or unusability of a
NAVAID. The pilot can expect to be provided radar
navigational guidance while transiting segments
labeled with this term.
(See RADAR ROUTE.)
(See RADAR SERVICE.)
RADAR ROUTE- A flight path or route over which
an aircraft is vectored. Navigational guidance and
altitude assignments are provided by ATC.
(See FLIGHT PATH.)
(See ROUTE.)
RADAR SEPARATION-
(See RADAR SERVICE.)
2/14/08 Pilot/Controller Glossary
PCG R-3
RADAR SERVICE- A term which encompasses one
or more of the following services based on the use of
radar which can be provided by a controller to a pilot
of a radar identified aircraft.
a. Radar Monitoring- The radar flight‐following
of aircraft, whose primary navigation is being
performed by the pilot, to observe and note deviations
from its authorized flight path, airway, or route.
When being applied specifically to radar monitoring
of instrument approaches; i.e., with precision
approach radar (PAR) or radar monitoring of
simultaneous ILS/MLS approaches, it includes
advice and instructions whenever an aircraft nears or
exceeds the prescribed PAR safety limit or
simultaneous ILS/MLS no transgression zone.
(See ADDITIONAL SERVICES.)
(See TRAFFIC ADVISORIES.)
b. Radar Navigational Guidance- Vectoring
aircraft to provide course guidance.
c. Radar Separation- Radar spacing of aircraft in
accordance with established minima.
(See ICAO term RADAR SERVICE.)
RADAR SERVICE [ICAO]- Term used to indicate
a service provided directly by means of radar.
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