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(iii) Certification of the embodiment of approved modifications
and the replacement of approved components and parts, provided that the work has not involved dismantling the engine other than to obtain access to the pistons, cylinders and valve-operating gear.
Category D. (applicable to engines only).
(1) Certification of engines after overhati, except that the overhaul, repair or modification of magnetos and other ignition equipment shall have been previously certified by a firm approved for the purpose or by an aircraft main- tenance engineer licensed for the purpose in Category X. (ii) Certification of approved repairs.
(iii) Certification of approved modifications.
(iv) Certification of the replacement of approved components
and parts.
(v) Certification of the construction of components and parts and the materials used therefor, unless it is stated in the licence that this duty is excluded.
Category X.
(1) Certification of the installation and the compensation of
compasses.
(i) Certification of overhauls, repairs, modifications or re-
placements to magnetos and other ignition equipment.
(ii) Certification of overhauls, repairs, modifications or re-
placements to and installation of ~
(a) variable-pitch propellers ¡
(b) aircraft instruments and engine instruments; (c) electrical equipment;
(d) automatic pilots.
65. With reference to Article 27 of the Order, application for the issue of a journey log hook (Form C.A. 26) in respect of an aircraft should be made, accompanied by the appropriate fee, to the Department of Civil Aviation, Hong Kong. Such books will be issued only in respect of individual aircraft, and the first page of each book will be completed by the Department of Civil Aviation, Hong Kong before issue.
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56. Journey log books shall be kept so as to furnish all the Information and particulars for which they provide, and the In- structions for Use set out therein shall be complied with.
57. Entries in journey log books, other than entries made by the Department of Civil Aviation, Hong Kong before issue and any visas by aeronautical or customs authorities, shall be made and signed by the person or persons whose signature is required by the particular form of log book which is being used.
58. The following log books shall be in all essentials in the form of the authorized patterns issued by the Department of Civil Aviation, Hong Kong:-
Aircraft log book, other than for air-
ships and balloons
Engine log book
27
J
Form C.A.
L
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Form C.A. 28
Form C.A.
Form: C.A. 319
21
Variable-pitch propeller log book
Personal flying log book
+
59. Aircraft log books, other than for airships and balloons, engine log books, variable-pitch propeller log books, and other log books shall be kept so as to furnish all the information and particulars provided for in the authorized patterns referred to in regulation 58, and the Instructions for Use set out in such authorized patterns shall be complied with, subject to these regulations.
(Aircraft log books for airships and balloons and log books for winches of captive balloons will be kept in such manner as the Director may require.)
60. All entries, other than preliminary data ordinarily furnished by the constructor in the original aircraft, engine and variable-pitch propeller log book shall
(4) in the case of a certificate under regulation so, be made
and signed in accordance with that paragraph;
(b) in other cases, be made and signed by a licensed aircraft maintenance engineer, except that, as regards matters which could not have come to the notice of a licensed air- craft maintenance engineer, the entries shall be made and signed by the pilot: