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THE HONG KONG GOVERNMENT GAZETTE, JANUARY 15, 1932.
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capable of sending and receiving morse or spoken messages by wireless telegraphy, which is of a type approved by the Director of Air Services, and the installation of which (including bonding and screening) is in accordance with requirements laid down. by him.
54. Such apparatus shall be operated under the conditions defined by the Interna- tional Radio-telegraph Convention of Washington.
55. The installation and use by wireless telegraphy stations of spark waves (types B of the General Regulations annexed to the International Radio-telegraph Convention of Washington), is prohibited on board aircraft.
56. The application of the regulations in this section of these Directions may be suspended when, owing to the absence of land wireless telegraphy organisations available for air traffic, the employment of apparatus for wireless telegraphy on board aircraft would serve no useful purpose.
57. In this Section of these Directions:
References to the number of persons which an aircraft is capable of carrying, relate to the number of persons for whom seating accommodation is normally provided in the aircraft as shown in its certificate of airworthiness.
The expression "wireless telegraphy" has the same meaning as in the Wireless
Telegraphy Ordinance, 1926.
SECTION XI.
LOG-BOOKS.
58. With reference to Schedule III of the Order, applications for the issue of journey log-books should be made, accompanied by the prescribed fee, to the Director of Air Services, Harbour Office, Victoria, 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 Director of Air Services before issue.
59. Aircraft log-books, engine log-books and pilot's log books shall, respectively, be, in all essentials, in the form of the following authorised patterns, viz: the Aircraft Log Book (C.A. Form 27) the Engine Log Book (C.A. Form 28) and the Pilot's Log Book (C.A. Form 24), all published by His Majesty's Stationery Office, London.
60. Entries in journey log-books, except those on the first page and any visas by the aeronautical or Customs authorities, shall be made and signed by the pilot or navigator in the case of the left-hand pages, and by the pilot in the case of the right-hand pages.
61. Journey log-books shall be kept so as to furnish all the information and particulars for which they provide, and the instructions for use set out therein shall be complied with. Provided, however, that :--
(i) The use of the left-hand pages is optional.
(ii) When an aircraft is engaged in a number of flights upon the same day on all of which the aircraft returns to the point of departure after a flight of less than thirty minutes, entries in respect of the whole of such flights may be included on a single right-hand page of the log-book. In that event the actual number of flights so included and the total duration of these flights shall be shown.
62. Entries in aircraft and engine log-books other than the original entries :-
(a) In the case of a certificate under paragraph 50, shall be made and signed in
accordance with that paragraph.
(b) In other cases shall be made and signed by a licensed ground engineer, except that, as regards matters which could not have come to the notice of a licensed ground engineer, the entries shall be made and signed by the pilot.