237350-1937-Air-Navigation-Colonies-Protectorates-and-Mandated-Territories-Order-1927 — Page 33

952 THE HONG KONG GOVERNMENT GAZETTE, DECEMBER 17, 1937.

[Schedule

(5) (a) When special circumstances necessitate a prohibition to IV,-contd.] land liable to be prolonged there shall be placed horizontally a red square panel cach side of which measures at least 10 feet and the diagonals of which shall be marked by yellow strips at least 20 inches in width arranged in the form of an X, as illustrated below:-

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(b) When owing to the bad state of the landing area or for any other reason the observance of precautions in landing is required, there may be placed horizontally a red square panel each side of which measures at least 10 feet and one of the diagonals of which shall be marked by a yellow strip at least 20 inches in width, as illustrated below:-

(c) When a landing by means of a radioelectric guide is taking place that fact may be indicated by hoisting on a mast a yellow triangular equilateral pyramid, each side of which least 6 feet, as illustrated below:-

measures at

(d) The use of the signals provided for in sub-paragraphs (b) and (c) of this sub-paragraph is optional.

(6) The signals referred to in the above sub-paragraphs of this paragraph shall, whenever possible, be displayed in a special part of the aerodrome selected as a signal area; by way of exception, the wind indicators and the landing T referred to in sub-paragraphs (1) and (2) of this paragraph may be located elsewhere in the aerodrome.

(7) During periods of poor visibility the lights existing for night lighting shall be operated by day, whenever possible and in so far

as necessary.

16.-(1) At every aerodrome open to public use and used for night flying the following requirements shall be complied with during the working hours of the night service:

(a) As to dangerous lights :-

No lights shall be exhibited at or in the neighbourhood of an aerodrome which may endanger the safety of aircraft, whether by reason of glare, or by causing confusion with or preventing clear visual reception of the lights or signals required by this Schedule to be displayed;

(b) As to aerodrome beacon : —

The position of the aerodrome may be indicated by a luminous beacon.

(2) At every land aerodrome open to public use and used for night flying the following requirements shall be complied with during the working hours of the night service:-

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