(e)  
After 2 years of operating with an approved ATQP, the operator may, with the approval of the competent authority, extend the validity periods of the checks in ORO.FC.230 as follows:

(1)  
Operator proficiency check to 12 calendar months. The validity period shall be counted from the end of the month when the check was taken. When the check is undertaken within the last 3 months of the validity period, the new validity period shall be counted from the original expiry date.

(2)  
Line check to 24 calendar months. The validity period shall be counted from the end of the month when the check was taken. When the check is undertaken within the last 6 months of the validity period, the new validity period shall be counted from the original expiry date.

(3)  
Emergency and safety equipment checking to 24 calendar months. The validity period shall be counted from the end of the month when the check was taken. When the check is undertaken within the last 6 months of the validity period, the new validity period shall be counted from the original expiry date.

ORO.FC.A.250 Commanders holding a CPL(A)
(a)  The holder of a CPL(A) (aeroplane) shall only act as commander in commercial air transport on a single-pilot aeroplane if:
(1)  
when carrying passengers under VFR outside a radius of 50 NM (90 km) from an aerodrome of departure, he/she has a minimum of 500 hours of flight time on aeroplanes or holds a valid instrument rating; or

(2)  
when operating on a multi-engine type under IFR, he/she has a minimum of 700 hours of flight time on aeroplanes, including 400 hours as pilot-in-command. These hours shall include 100 hours under IFR and 40 hours in multi-engine operations. The 400 hours as pilot-in-command may be substituted by hours operating as co-pilot within an established multi-pilot crew system prescribed in the operations manual, on the basis of two hours of flight time as co-pilot for one hour of flight time as pilot-in command. 

(3)  
For operations under VFR by day of performance class B aeroplanes (a)(1) shall not apply.

ORO.FC.H.250 Commanders holding a CPL(H)
(a)  The holder of a CPL(H) (helicopter) shall only act as commander in commercial air transport on a single-pilot helicopter if:
(1)  
when operating under IFR, he/she has a minimum of 700 hours total flight time on helicopters, including 300 hours as pilot-in-command. These hours shall include 100 hours under IFR. The 300 hours as pilot-in-command may be substituted by hours operating as co-pilot within an established multi-pilot crew system prescribed in the operations manual on the basis of two hours of flight time as co-pilot for one hour flight time as pilot-in command;

(2)  
when operating under visual meteorological conditions (VMC) at night, he/she has:

(i)  
a valid instrument rating; or
　
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本文鏈接地址：Annexes to the draft Commission Regulation on ‘Air Operations - OPS’(57)