Document ID: chunk:federal_register_of_legislation:F2025C00187:front:0:p19
Version: federal_register_of_legislation:F2025C00187
Segment Type: other
Provision Reference: 
Character Range: 57659–60362

circle of radius 46 km (25 NM) or 18.5 km (10 NM) centred on a significant point.
MTOW, or maximum take-off weight, has the meaning given by Part 1 of the CASR Dictionary.
multi-crew operation has the meaning given by Part 1 of the CASR Dictionary.
NAA, or national aviation authority, has the meaning given by Part 1 of the CASR Dictionary.
NAT-HLA means North Atlantic High-Level Airspace, and is the airspace to which NAT Doc 007, North Atlantic Operations and Airspace Manual (as in force from time to time) applies.
Note   A copy of Nat Doc 007 is available at <www.icao.int/EURNAT>.
navigational tolerance means 1 of the following:
(a) for PBN operations — the RNP value for the segment of the IAP being conducted;
(b) for VOR or LOC-based operations — full-scale deflection of the course deviation indicator;
(c) for NDB-based operations — + or - 5° from the specified bearing;
(d) for DME-based operations — + or - 2 NM from the required arc;
(e) for operations based on visual navigation — 1 NM from the cleared track.
navigation database means the data from an approved provider loaded onto an aircraft navigation system.
navigation specification means a set of aircraft and aircrew requirements needed to support PBN operations within a defined airspace, being either:
(a) RNAV specification which is a navigation specification based on area navigation that does not include the requirement for on-board performance monitoring and alerting, and is designated by the prefix RNAV, for example, RNAV 5, RNAV 1; or
(b) RNP specification which is a navigation specification based on area navigation that includes the requirement for on-board performance monitoring and alerting, and is designated by the prefix RNP, for example, RNP 2, RNP APCH.
NDB means non-directional beacon.
NM means nautical miles.
non-precision approach procedure means an IAP designed for 2D instrument approach operations Type A.
NOTAM has the meaning given by Part 1 of the CASR Dictionary.
NVD means night vision device.
NVG means night vision goggles.
NVIS means night vision imaging system.
NVIS firebombing has the meaning given by subsection 12.03 (1) of the Part 138 MOS.
NVIS fire mapping has the meaning given by subsection 12.03 (1) of the Part 138 MOS.
NVIS incendiary dropping has the meaning given by subsection 12.03 (1) of the Part 138 MOS.
NVIS operation has the meaning given in subsection 3.02 (1) of this MOS.
OVC, in relation to cloud, has the same meaning as in ICAO Document 8896.
Note   At the commencement of this instrument, ICAO Document 8896 refers to OVC as 8 oktas of cloud.
PAL means a pilot-activated lighting system.
Part 103 aircraft has the same meaning as in regulation 103.005 of CASR.