Document ID: chunk:federal_register_of_legislation:F2025C00187:reg:3:p4
Version: federal_register_of_legislation:F2025C00187
Segment Type: reg
Provision Reference: reg 3 (pt 4/7)
Character Range: 397297–400022

be operated concurrently with a Mode A/C, or a Mode S transponder (other than one that is transmitting ADS-B) but it is not a substitute for mandatory carriage of a transponder in relevant airspace.
       (3) The EC device must meet the technical specifications in UK CAP 1391, except in relation to the matters mentioned in subsections (4), (5) and (6).
       (4) The EC device must use a Class B TABS position source that complies with the performance standards specified in (E)TSO-C199.
       (5) The EC device must:
(a) be capable of transmitting a SIL value of 1, in accordance with the standards in UK CAP 1391 for an EC device that uses a Class B TABS position source; and
(b) transmit that SIL value of 1.
       (6) The EC device must:
(a) meet the requirements described in paragraph 2.2.3.2.7.2.4.6 of RTCA/DO-260B for transmitting an SDA of 1; and
(b) transmit an SDA value of 1.
       (7) The EC device must use a barometric encoder for altitude information.
       (8) The EC device must be mounted in accordance with the manufacturer's instructions.
       (9) The EC device, when mounted in accordance with the manufacturer's instructions, must not:
(a) interfere with aircraft controls; or
(b) otherwise affect the safe operation of the aircraft.
       (10) The following administrative standards for the EC device must be complied with:
(a) an EC device must have a statement of compliance (however described) from the EC device manufacturer certifying that the device meets the following requirements (a declaration of capability and conformance or declaration):
           (i) if the declaration was made before 2 December 2021 — clauses 1 to 5 of Part B of Appendix XIV of Civil Aviation Order 20.18 as in force immediately before 2 December 2021;
           (ii) otherwise — subsections (3) to (7);
(b) the pilot in command of an aircraft that uses the EC device must carry the declaration, or a copy of it, on board the aircraft;
(c) an EC device model must not be operated in a transmit mode anywhere in Australia unless it is listed on the CASA website as an EC device model for which the manufacturer has made a valid declaration;
(d) the manufacturer of an EC device model may apply in writing to CASA:
           (i) for a statement that CASA considers that the manufacturer has made a valid declaration of capability and conformance to subsections (3) to (7); and
           (ii) for inclusion of the EC device model on the CASA website;
(e) CASA may remove an EC device model from the CASA website if:
           (i) the manufacturer requests its removal in writing; or
           (ii) if CASA is satisfied that removal is required in the interests of aviation safety.

26.73 Aircraft flown