1955-HKRS30-8-45_Part05 — Page 22

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(1) Such weight does not exceed the maximum take-off weight ascertained by reference to the flight manual relating to the aeroplane issued or rendered valid by the Director as being appropriate to the height above mean sea level and the air tem- perature at the aerodrome at which the take-off is to be mude,

(2) The take-off run required, the take-off distance required and the take-off emergency distance required ascertained by reference to the said fight manual as being appropriate to-

(a) the weight of the aeroplane at the commencement of the

take-off run;

{b} the height above menn Sen level of the aerodrome;

(c) either the air temperature at the time of take-off or a temperature approved in respect of the aerodrome by the Director;

(d) the surface gradient of the surface of the aerodrome in the direction of take-olf over the take-off run available, the take-off distance available and the emergency distance available, respectively;

(e) not more than 50 per cent, of the reported wind com- ponent opposite to the direction of take-off or not less Than 150 per cent, of the reported wind component in the direction of take-off:

do not exceed the take-off run available, the take-off distance available and the emergency distance available, respectively, at the nerodrome at which the take-off is to be made; the ratio of power failure speed of the acroplane, ascertained by reference to the said Right manual, to take-off safety speed of the aeroplane similarly ascertained, used in ascertaining the take-off emergency distance required being not less than that used in ascertaining the Take-off distance required.

(3) (a) The met take-off flight path with one power unit inoperative, ascertained by reference to the said flight manual as being appropriate to

(i) the weight of the aeroplane at the commencement of the take-off run;

(ii) the height above mean sea level of the aerodrome; (iii) either the air temperature at which the take-off is to be made or a temperature approved in respect of the aerodrome by the Director;

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(iv) not more than so per cent. of the reported wind component opposite to the direction of take-off or not less than 150 per cent, of the reported wind component in the direction of take-off;

and plotted from a point 50 feet above the end of the take-off distance required at the nerodrome at which the take-off is to be made to the point at which the aeroplane reaches the minimum altitude for safe flight on the first stage of the route to be flown stated in or calculated from the information contained in the operations manual, shows that the aeroplane will clear any obstacle in its path by a vertical interval of at least 35 feet plus 1/200 of the distance from the point on the ground below the intended line of flight of the aeroplane nearest to the obstacle to the end of the take-off distance available, measured along the intended line of flight of the aero- plane, and if it is intended that the aeroplane shall change ils direction of flight by more than rs" before reaching such minimum altitude for safe flight, also shows that The aeroplane while clanging its direction will clear any obstacle in its path by a vertical interval of at least 100 feet, after allowing for the reduction in the gradient of climb applicable to such change in direction specified in the said flight manual.

(b) For the purpose of sub-paragraph (a) hereof an obstacle shall be deemed to be in the path of the aeroplane if the distance from the obstacle to the nearest point on the ground below the intended line of flight of the neroplane does not exceed—

(i) a distance of 200 feet plus half the wing span of the acroplane plus th of the distance from such point to the end of the take-off distance available measured along the intended line of Right of the aeroplane; or

(i) 5,000 feet whichever is the less.

(c) In assessing the ability of the aeroplane to satisfy this condition it shall not be assumed to make a change of direction of a radius less than the radius of steady turn specified in the said fight manual,