پیرو پست های قبلی در این پست به بررسی 10 تعریف مربوط به فصل DEF از Air-Ops می پردازیم.

در میان ده مورد موجود در این پست موارد زیر کاربردی تر هستند :

‘De-icing’

DG




(31) ‘Converted Meteorological Visibility (CMV)’ 

means a value, equivalent to an RVR, which is derived from the reported meteorological visibility; 


(32) ‘Crew member’ 

means a person assigned by an operator to duty on an aircraft during a flight duty period. 


(33) ‘Critical phases of flight’ 

in the case of aeroplanes means the

 take-off run,

 the take-off flight path,

 the final approach, 

the missed approach, 

the landing,

 including the landing roll, and any other phases of flight as determined by the pilot-in-command or commander; 


(34) ‘Critical phases of flight’ 

in the case of helicopters means taxiing, hovering, take-off, final approach, missed approach, the landing and any other phases of flight as determined by the pilot-in-command or commander; 


(35) ‘Damp runway’ 

means a runway where the surface is not dry, but when the moisture on it does not give it a shiny appearance; 

یعنی حالتی که خشک نیست ، اما آنچنان هم خیس نیست که برق بزند. نمناک است.


(36) ‘Dangerous Goods (DG)’

 means articles or substances which are capable of posing a risk to health, safety, property or the environment and which are shown in the list of dangerous goods in the technical instructions or which are classified according to those instructions;


 (37) ‘Dangerous goods accident’

means an occurrence associated with and related to the transport of dangerous goods by air which results in

 fatal or 

serious injury to a person or

 major property damage;


 (38) ‘Dangerous goods incident’ 

means

(a) an occurrence other than a dangerous goods accident associated with and related to the transport of dangerous goods by air, not necessarily occurring on board an aircraft,

 which results in injury to a 

person, 

property damage, 

fire,

 breakage, 

spillage, 

leakage of fluid or

 radiation or

 other evidence that

 the integrity of the packaging has not been maintained;

 

(b) any occurrence relating to the transport of dangerous goods which seriously jeopardises an aircraft or its occupants; 


(39) ‘De-icing’

 in the case of ground procedures, 

means a procedure by which 

frost, سرما

ice,

snow or 

slush برف آبکی

 is removed from an aircraft in order to provide uncontaminated surfaces; 



(40) ‘Defined Point After Take-off (DPATO)’

means the point, within the take-off and initial climb phase, before which the helicopter’s ability to continue the flight safely, with the critical engine inoperative, is not assured and a forced landing may be required; 

Note.— Defined points apply to helicopters operating in performance Class 2 only.