A.
When execute “securing the aircraft checklist”, checklist instructions are recommended to be issued by the captain, the first officer read and captain execute checking work one by one , the battery and APU or an external power supply could be kept ON after the crew leave
B.
When execute “securing the aircraft checklist”, checklist instructions are recommended to be issued by the F/O, the captain read and F/O execute checking work one by one, the battery and APU or an external power supply could be kept ON after the crew leave
C.
During cold weather conditions with no maintenance personnel stand by, the crew on duty should carry out the cold weather operation procedures in PRO-SUP-91-30 "flight crew operational manual (FCOM)", if the crew are unsure whether the weather condition meet the standard to execute the procedure, the inquiry to company dispatch attendant is needed.
D.
During cold weather conditions with no maintenance personnel stand by, the crew on duty should carry out the cold weather operation procedures in PRO-SUP-91-30 "flight crew operational manual (FCOM)", if the crew have the procedure which have to be executed but cannot be done immediately, it is required to tell the company dispatch attendant specifically.