AMC1 21.A.165(c)(3)(i) Obligations of the holder

• ED Decision 2021/011/R found in: Initial Airworthiness and Environmental Protection (748/2012) Part-21 Part-21L (Jul 2024)
• ED Decision 2025/016/R found in: Initial Airworthiness and Environmental Protection (748/2012) (Nov 2025)

AMC1 21.A.165(c)(3) Applicable engine exhaust emissions requirements ED Decision 2021/011/R This determination is made according to the data provided by the engine type-certificate holder. It should be noted that the competent authority has the possibility to grant exemptions from these requirements as noted in Chapter 2, paragraph 2.1.1 and Chapter 4, paragraph 4.1.1 of Part III of Volume II of Annex 16 to the Chicago Convention. When such an exemption is granted, the competent authority: — takes into account the number of exempted engines that will be produced and their impact on the environment; — considers imposing a time limit on the production of such engines; and — issues an exemption document. The Agency establishes and maintains a register, containing at least the engine serial number, and makes it publicly available. ICAO Doc 9501 ‘Environmental Technical Manual’ Volume II provides guidance on the issuing of exemptions. ##### AMC1 21.A.165(c)(3)(i) Obligations of the holder *ED Decision 2025/016/R* **APPLICABLE ENGINE EXHAUST EMISSIONS REQUIREMENTS** This determination is made according to the data provided by the engine type-certificate holder. It should be noted that the competent authority has the possibility to grant exemptions from these requirements as noted in Chapter 2, paragraph 2.1.1 and Chapter 4, paragraph 4.1.1 of Part III of Volume II of Annex 16 to the Chicago Convention. When such an exemption is granted, the competent authority: — takes into account the number of exempted engines that will be produced and their impact on the environment; — considers imposing a time limit on the production of such engines; and — issues an exemption document. ICAO Doc 9501 ‘Environmental Technical Manual’ Volume II provides guidance on the issuing of exemptions.