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Aeronautical Information Manual (AIM), page 679

5/26/16
12/10/15

final approach is not provided by ground-based
precision or surveillance radar. Radar vectors to the
final approach course may or may not be provided by
ATC. Examples of nonradar approaches are VOR,
NDB, TACAN, ILS, RNAV, and GLS approaches.
(See FINAL APPROACH COURSE.)
(See FINAL APPROACH-IFR.)
(See INSTRUMENT APPROACH
PROCEDURE.)
(See RADAR APPROACH.)

b. Nonradar Approach Control. An ATC facility
providing approach control service without the use of
radar.

(See APPROACH CONTROL FACILITY.)

(See APPROACH CONTROL SERVICE.)

c. Nonradar Arrival. An aircraft arriving at an

airport without radar service or at an airport served

a radar facility and radar contact has not been

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 (No Radio)- Aircraft that cannot or do not
communicate by radio when radio communication is
required are referred to as "NORDO."
(See LOST COMMUNICATIONS.)
Pilot/Controller Glossary

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
by
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

PCG N-3

Page 679 of the Aeronautical Information Manual (AIM.pdf)
AIM: Official Guide to Basic Flight Information and ATC Procedures

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