CAT.OP.MPA.260 Fuel and oil supply
The commander shall only commence a flight or continue in the event of in-flight replanning when satisfied that the aircraft carries at least the planned amount of usable fuel and oil to complete the flight safely, taking into account the expected operating conditions.
CAT.OP.MPA.265 Take-off conditions
Before commencing take-off, the commander shall be satisfied that:
(a)  
according to the information available to him/her, the weather at the aerodrome or operating site and the condition of the runway or FATO intended to be used would not prevent a safe take-off and departure; and

(b)  
established aerodrome operating minima will be complied with.

CAT.OP.MPA.270 Minimum flight altitudes
The commander or the pilot to whom conduct of the flight has been delegated shall not fly below specified minimum altitudes except when: 
(a)  
necessary for take-off or landing; or

(b)  
descending in accordance with procedures approved by the competent authority.

CAT.OP.MPA.275 Simulated abnormal situations in flight
The operator shall ensure that when carrying passengers or cargo the following are not simulated:
(a)  
abnormal or emergency situations that require the application of abnormal or emergency procedures; or

(b)  
flight in IMC by artificial means.

CAT.OP.MPA.280 In-flight fuel management — aeroplanes
The operator shall establish a procedure to ensure that in-flight fuel checks and fuel management are carried out according to the following criteria.
(a)  
In-flight fuel checks

(1)  
The commander shall ensure that fuel checks are carried out in-flight at regular intervals. The usable remaining fuel shall be recorded and evaluated to:

(i)  
compare actual consumption with planned consumption;

(ii)  
check that the usable remaining fuel is sufficient to complete the flight, in accordance with (b); and

(iii)  determine the expected usable fuel remaining on arrival at the destination aerodrome.

(2)  
The relevant fuel data shall be recorded.

(b)  
In-flight fuel management

(1)  
The flight shall be conducted so that the expected usable fuel remaining on arrival at the destination aerodrome is not less than:

(i)  
the required alternate fuel plus final reserve fuel; or

(ii)  
the final reserve fuel if no alternate aerodrome is required.

(2)  
If an in-flight fuel check shows that the expected usable fuel remaining on arrival at the destination aerodrome is less than:

(i)  
the required alternate fuel plus final reserve fuel, the commander shall take into account the traffic and the operational conditions prevailing at the destination aerodrome, at the destination alternate aerodrome and at any
　
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本文鏈接地址：Annexes to the draft Commission Regulation on ‘Air Operations - OPS’(91)