Document ID: chunk:federal_register_of_legislation:F2024C01118:reg:3:p8
Version: federal_register_of_legislation:F2024C01118
Segment Type: reg
Provision Reference: reg 3 (pt 8/9)
Character Range: 150074–153301

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 (ADS-B), 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 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 paragraph 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, or secondary surveillance radar, means a surveillance radar system which uses transmitters/receivers (interrogators) and transponders.
surveillance equipment means equipment that broadcasts data as a means to identify an aircraft, determine its 3-dimensional position or obtain other information (such as, but not limited to, velocity and selected altitude or flight level).
surveillance radar means radar equipment used to determine the position of an aircraft in range and azimuth.
TABS means traffic awareness beacon system.
transponder means an aircraft's SSR transponder.
UK CAP 1391 means Civil Aviation Authority of the United Kingdom document number CAP 1391 titled Electronic conspicuity devices, 3rd edition, dated February 2021, or a later edition, as in force from time to time.

26.21 Required surveillance equipment
       (1) A Part 131 aircraft for a flight for which surveillance equipment is required under this section must be fitted with, or carry, surveillance equipment that meets the requirements relevant to the intended operation and class of airspace.
Note   See also section 26.19 of this MOS regarding certain aircraft that can be fitted with, or carry, surveillance equipment that is not in accordance with a TSO or ETSO provided certain conditions are met.
       (2) A Part 131 aircraft operating at Brisbane, Sydney, Melbourne or Perth aerodrome must be fitted with, or carry, at least 1 approved Mode S transponder with ADS-B capability.
Note   An approved Mode S transponder with ADS-B capability is not required to transmit ADS-B OUT for a VFR flight.
       (3) For subsection (1), a Part 131 aircraft in an operation mentioned in column 1 of an item in Table 26.21 (3), in the class of airspace mentioned in column 2 of the item, must be fitted with, or carry, surveillance equipment meeting the requirements mentioned in column 3 of the item.

Table 26.21 (3) – Surveillance equipment – requirements

      Column 1                                                                                     Column 2                                     Column 3
Item  Operation                                                                                    Class of airspace                            Requirements