Ihave received confirmation on an AONE5 , but couple of segments that I felt should be in F are in D as below :

CATHAY PACIFIC - CX 520 BUSINESS CLASS
FRI 02FEB HONG KONG-HK TOKYO-JP
HONG KONG INTL NARITA
NON STOP TERMINAL 1
1015 1520 DURATION 4:05
NON SMOKING
RESERVATION CONFIRMED
LUNCH SERVED
EQUIPMENT:AIRBUS INDUSTRIE A330
--------------------------------------------------------
QANTAS AIRWAYS - QF 70 BUSINESS CLASS
WED 07FEB TOKYO-JP PERTH-WA
NARITA
NON STOP TERMINAL 2 TERMINAL 1
2040 0600 08FEB DURATION 10:20
NON SMOKING
RESERVATION CONFIRMED
DINNER SERVED/REFRESHMENTS SERVED
EQUIPMENT:BOEING 767-300/300ER

Is this due to lack of availability or is there no F at all on these routes ?