性能
§２３．４５ 总则
（ａ） 除非另有规定，飞机必须按标准大气条件和静止空气满足本分部的性能要求。
（ｂ） 性能必须对应于在特定外界大气条件、特定飞行状态和本条（ｄ）和（ｅ）规定的相对湿度下的可用推进力。
（ｃ） 可用推进力必须与不超过批准的功率（推力）扣除下列损失后的发动机功率（推力）相对应：
（１） 安装损失；
（２） 特定外界大气条件和特定的飞行状态下由附件及辅助装置所吸收的功率（当量推力）。
（ｄ） 对于活塞发动机飞机，其受发动机功率影响的性能，必须基于相对温度为８０％时的标准大气条件。
（ｅ） 对于涡轮发动机飞机，其受发动机功率（推力）影响的性能，必须基于下述相对湿度：
（范例）
附录十一：
规范性文件英文版形式
PART 21 CERTIFICATION PROCEDURE FOR CIVIL AVIATION PRODUCTS
AND PARTS
------------------------------------------------------------------------
(c) Export airworthiness approval of Class III product is issued in
the form of Export Airworthiness Tags or markings.
§21.95 Application.
(a) An application for a Class I, Class II, or Class III product is
made on a form and in a manner prescribed by the CAA and is submitted tothe CAA or its authorized representative.
(b) Each application shall be accompanied by a written statement
from the importing country that will validate the export airworthiness
approvalif the product being exported is----
(1) a product that does not meet the special requirements of the
importing country; or
(2) a product that does not meet a requirements specified in
§21.96, as applicable, for the issuance of an export airworthiness
approval. Thewritten statement must list the requirements not met.
§21.96 Issue of approvals.
(a) An applicant is entitled to an export certificate of airworth-
iness for a Class I product if the CAA determines that the product meetsthe requirements of subparagraphs (1) through (5) of this paragraph, as
applicable, except as provided in paragraph (d) of this section:
(1) New or used aircraft must meet the requirements for issue of an
airworthiness certificate under §21.59 of subpart F of this part.
(2) Used aircraft must have undergone an annual type inspection, andmust be shown by its owner or operator that the aircraft has been main-
tained in accordance with the continuous airworthiness requirements.
(3) New engines and propellers must conform to the type design and
must be in
（范 例）
附录十二：
ＡＰ、ＡＣ的编号方法
ＸＸ—ＸＸＸ—ＸＸ—ＸＸＸ—ＲＸ
－－ －－－ －－ －－－ －－
｜ ｜ ｜ ｜ ｜
｜ ｜ ｜ ｜ ｜
｜ ｜ ｜ ｜ －－－修订符合，如第一次修
｜ ｜ ｜ ｜ 订Ｒ１。
｜ ｜ ｜ ｜
｜ ｜ ｜ －－－－职能部门按发文日期的先后顺
｜ ｜ ｜ 序编排的流水号。
｜ ｜ ｜
｜ ｜ －－－职能部门的英文代码。
｜ ｜
