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THE HONG KONG GOVERNMENT GAZETTE, JANUARY 15, 1932.
He must not have any signs of aneurism of the large arterial trunks, nor have any cardiac lesion, even if well compensated; the heart must be normal, with normal function, and only respiratory arrhythmia, increase of pulse rate from excitement or exercise and a general slow pulse not associated with auriculo-ventricular dissociation will be allowed.
The applicant must not suffer from any acute disability of the lungs, nor possess any cicatricial lesion of the lungs, and must be free from tuber- culosis capable of being diagnosed by the usual clinical methods, from tracheobronchial disease of the glands, and from pulmonary emphysema, even if slight. In addition, each examination shall include a radioscopy record in doubtful clinical cases.
The applicant must not present any sigus of organic disease of the kidneys; these latter must be insensitive to palpation and of normal size. Renal ptosis will entail rejection. The urine must not contain any patho- logical element. Affections of the urinary passages and of the genital organs, even blennorrhoea, may entail temporary or definite unfituess.
Applicants of the female sex must present a normal uterus and append- Cases in which surgical intervention has taken place will be con- sidered individually. Any presumed pregnancy will entail rejection.
ages.
The applicant must not present any clinical signs of syphilis.
(J) Eye Examination.—The applicant must possess a degree of visual acuity compatible with the efficient performance of his duties. Binocular vision, ocular poise, the field of vision of each eye and colour perception must be normal.
Pilots must possess, without correction by glasses, visual acuity equal to at least 80 per cent. of the normal visual acuity for each eye taken separately, or 90 per cent. for one eye and 70 per cent. for the other, the visual acuity being measured by means of standard test types powerfully illuminated in such a manner that the light does not shine directly into the eyes of the examince.
Navigators must possess the same visual acuity, but with correction by glasses if necessary.
(g) Ear Examination.--The middle ear must be healthy. The applicant must possess an auditory acuity not less than that corresponding with the normal perception of the tuning forks C (1) 64 vibrations per second, C (3) 256 vibrations per second and C (7) 4,096 vibrations per second, the forks being held perpendicularly to the ground one centimetre from the auditory tube. The vestibular mechanism must be intact and not hypersensitive; it must be equal on both sides.
(h) Nose, Throat and Mouth Eramination.-The applicant must possess free masal and tubal air entry on both sides and must not suffer from serious, acute or chronic affections of the buccal cavity or upper respiratory tract.
78. In the case of persons who have previously been found medically fit for flying, certain relaxations of the requirements set out in paragraph 77 may be made at the discretion of the Governor.
79. A person applying for the renewal of a licence will be required to undergo a medical examination conducted by medical officers or practitioners referred to in para- graph 75. This examination will be based on the requirements set out in paragraph 77, but certain relaxations thereof may be made at the discretion of the Governor.
80. An applicant who satisfies the medical requirements will receive a medical certificate of acceptance, which must be produced before the licence can be granted.
81. In order to ensure the maintenance of efficiency, every holder of a licence shall be re-examined and pronounced fit before resuming air duties :-
(a) Whenever he has performed a total of 125 hours flying in the capacity of pilot of a flying machine within any period of 30 consecutive days since his last medical examination under these directions.