| (1) | For the purposes of this Sub part, any reference to the initial date of a type certificate or certificate of airworthiness means the first time that type certificate or certificate of airworthiness was issued for that aircraft type. |
| (2) | An air service operator shall ensure that a flight does not commence unless the instruments and equipment required under this Subpart, or otherwise installed on an aircraft are such that they will enable a flight crew to control a flight path of such aircraft, carry out any required procedural manoeuvres and observe the operating limitations of such aircraft in the expected operating conditions and are— |
| (a) | approved and installed in accordance with the requirements, including operational and airworthiness requirements, applicable to such instruments and equipment; and |
| (b) | in a condition for safe operation of a kind being conducted, except as provided for in MEL. |
| (3) | An air service operator shall not be required to obtain approval for— |
| (a) | fuses referred to in regulation 91.04.2; |
| (b) | intrinsically safe electric torches referred to in regulation 91 .04.3( 1)(d); |
| (c) | accurate time piece referred to in regulations 91.04.4 and 91.04.5; |
| (d) | first aid equipment referred to in regulation 91.04.16 ; |
| (e) | megaphones referred to in regulation 91.04.24; |
| (f) | survival equipment referred to in regulation 91.04.29; and |
| (g) | medical equipment referred to in regulation 121.05.13. |
| (4) | An agent used in a built-in fire extinguisher for each lavatory disposal receptacle for towels , paper or waste in an aeroplane which was first issued with a certificate of airworthiness on or after 31 December 2011, and an extinguishing agent used in a portable fire extinguisher in an aeroplane which was first issued with a certificate of airworthiness on or after 31 December 2016 shall— |
| (a) | meet the applicable prescribed minimum performance requirements; and |
| (b) | not be of a type listed in the 1987 Montreal Protocol on Substances that Deplete the Ozone Layer, as amended from time to time. |
| (5) | Information regarding extinguishing agents to be used in an aeroplane is contained in Document SA-CATS 121. |
| (6) | A person shall not conduct a take-off in an aeroplane with an instrument or equipment that is unserviceable or that has been removed, where such instrument or equipment is required by— |
| (a) | the standards of airworthiness that apply to a type of flight being operated; |
| (b) | any equipment list published by an aeroplane manufacturer indicating aeroplane equipment that is required for an intended flight; |
| (d) | an airworthiness directive; or |
[Regulation 121.05.1(6) inserted by regulation 16(e) of Notice No. R. 3170, GG48228, dated 17 March 2023 (Twenty-Sixth Amendment of the Civil Aviation Regulations, 2023)]
[Regulation 121.05.1 substituted by regulation 32(c) of Notice No. R.1503, GG45491, dated 15 November 2021 (Twenty-First Amendment of the Civil Aviation Regulations, 2021)]
