Document ID: chunk:federal_register_of_legislation:F2020C00611:front:0:p11
Version: federal_register_of_legislation:F2020C00611
Segment Type: other
Provision Reference: 
Character Range: 25798–28769

position of the aircraft by use of the GPS.
GPS means the Global Positioning System.
HPL means the Horizontal Protection Level of the GNSS position of an aircraft as an output of the GNSS receiver or system.
IFR has the same meaning as I.F.R. and stands for instrument flight rules.
integrated TABS device means a device with integrated Class A TABS and Class B TABS functionality.
Mode A is a transponder function that transmits a 4-digit octal identification code for an aircraft when interrogated by an SSR, the code having been assigned to the aircraft by ATC for the relevant flight sector.
Mode A code is the 4-digit octal identification code transmitted by a Mode A transponder function.
Mode C is a transponder function that transmits a 4-digit octal code for an aircraft's pressure altitude when interrogated by an SSR.
Mode C code is the 4-digit octal identification code transmitted by a Mode C transponder function.
Mode S is a monopulse radar interrogation technique that improves the accuracy of the azimuth and range information of an aircraft, and uses a unique aircraft address to selectively call individual aircraft.
NAA has the same meaning as in regulation 1.4 of CASR 1998.
Note   "NAA, for a country other than Australia, means:
(a) the national airworthiness authority of the country; or
(b) EASA, in relation to any function or task that EASA carries out on behalf of the country.".
NACp means Navigation Accuracy Category for Position as specified in paragraph 2.2.3.2.7.1.3.8 of RTCA/DO‑260B.
NIC means Navigation Integrity Category as specified in paragraph 2.2.3.2.3.3 of RTCA/DO-260B.
NUCp means Navigation Uncertainty Category – Position as specified in paragraph 2.2.8.1.5 of RTCA/DO‑260.
RAAO means a recreational aviation administration organisation that is recognised by CASA.
RTCA/DO-229D means document RTCA/DO-229D titled Minimum Operational Performance Standards for Global Positioning System/Wide Area Augmentation System Airborne Equipment, dated 13 December 2006, of the RTCA Inc. of Washington D.C. USA (RTCA Inc.).
RTCA/DO-260 means RTCA Inc. document RTCA/DO-260 titled Minimum Operational Performance Standards for 1090 MHz Automatic Dependent Surveillance – Broadcast, dated 13 September 2000.
RTCA/DO-260B means RTCA Inc. document RTCA DO‑260B titled Minimum Operational Performance Standards for 1090 MHz Extended Squitter Automatic Dependent Surveillance – Broadcast (ADS‑B) and Traffic Information Services – Broadcast (TIS‑B), dated 2 December 2009, unless a later version as in force from time to time is expressly referred to.
SA means Selective Availability, and is a function of the GPS that has the effect of degrading the accuracy of the computed GPS position of a GNSS-equipped aircraft.
SDA means System Design Assurance as specified in section 2.2.3.2.7.2.4.6 of RTCA/DO‑260B.
SIL means Source Integrity Level as specified in paragraph 2.2.3.2.7.1.3.10 of RTCA/DO‑260B.
SSR means a secondary surveillance radar