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a radar facility and radar contact has not been
2/14/08 Pilot/Controller Glossary
PCG N-3
established or has been terminated due to a lack of
radar service to the airport.
(See RADAR ARRIVAL.)
(See RADAR SERVICE.)
d. Nonradar Route. A flight path or route over
which the pilot is performing his/her own navigation.
The pilot may be receiving radar separation, radar
monitoring, or other ATC services while on a
nonradar route.
(See RADAR ROUTE.)
e. Nonradar Separation. The spacing of aircraft in
accordance with established minima without the use
of radar; e.g., vertical, lateral, or longitudinal
separation.
(See RADAR SEPARATION.)
(See ICAO term NONRADAR SEPARATION.)
NONRADAR SEPARATION [ICAO]- The separation
used when aircraft position information is
derived from sources other than radar.
NON-RESTRICTIVE ROUTING (NRR)- Portions
of a proposed route of flight where a user can flight
plan the most advantageous flight path with no
requirement to make reference to ground-based
NAVAIDs.
NOPAC-
(See NORTH PACIFIC.)
NORDO-
(See LOST COMMUNICATIONS.)
NORMAL OPERATING ZONE (NOZ)- The NOZ
is the operating zone within which aircraft flight
remains during normal independent simultaneous
parallel ILS approaches.
NORTH AMERICAN ROUTE- A numerically
coded route preplanned over existing airway and
route systems to and from specific coastal fixes
serving the North Atlantic. North American Routes
consist of the following:
a. Common Route/Portion. That segment of a
North American Route between the inland navigation
facility and the coastal fix.
b. Noncommon Route/Portion. That segment of a
North American Route between the inland navigation
facility and a designated North American terminal.
c. Inland Navigation Facility. A navigation aid on
a North American Route at which the common route
and/or the noncommon route begins or ends.
d. Coastal Fix. A navigation aid or intersection
where an aircraft transitions between the domestic
route structure and the oceanic route structure.
NORTH AMERICAN ROUTE PROGRAM (NRP)-
The NRP is a set of rules and procedures which are
designed to increase the flexibility of user flight
planning within published guidelines.
NORTH MARK- A beacon data block sent by the
host computer to be displayed by the ARTS on a 360
degree bearing at a locally selected radar azimuth and
distance. The North Mark is used to ensure correct
range/azimuth orientation during periods of
CENRAP.
NORTH PACIFIC- An organized route system
between the Alaskan west coast and Japan.
NOTAM-
(See NOTICE TO AIRMEN.)
NOTAM [ICAO]- A notice containing information
concerning the establishment, condition or change in
any aeronautical facility, service, procedure or
hazard, the timely knowledge of which is essential to
personnel concerned with flight operations.
a. I Distribution- Distribution by means of
telecommunication.
b. II Distribution- Distribution by means other
than telecommunications.
NOTICE TO AIRMEN- A notice containing
information (not known sufficiently in advance to
publicize by other means) concerning the establishment,
condition, or change in any component
(facility, service, or procedure of, or hazard in the
National Airspace System) the timely knowledge of
which is essential to personnel concerned with flight
operations.
a. NOTAM(D)- A NOTAM given (in addition to
local dissemination) distant dissemination beyond
the area of responsibility of the Flight Service
Station. These NOTAMs will be stored and available
until canceled.
b. NOTAM(L)- A NOTAM given local dissemination
by voice and other means, such as
telautograph and telephone, to satisfy local user
requirements.
c. FDC NOTAM- A NOTAM regulatory in
nature, transmitted by USNOF and given system
wide dissemination.
(See ICAO term NOTAM.)
Pilot/Controller Glossary 2/14/08
PCG N-4
NOTICES TO AIRMEN PUBLICATION- A
publication issued every 28 days, designed primarily
for the pilot, which contains current NOTAM
information considered essential to the safety of
flight as well as supplemental data to other
aeronautical publications. The contraction NTAP is
used in NOTAM text.
(See NOTICE TO AIRMEN.)
NRR-
(See NON-RESTRICTIVE ROUTING.)
NRS-
(See NAVIGATION REFERENCE SYSTEM.)
NTAP-
(See NOTICES TO AIRMEN PUBLICATION.)
NUMEROUS TARGETS VICINITY (LOCATION)-
A traffic advisory issued by ATC to advise
pilots that targets on the radar scope are too numerous
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