Originally Posted by
atlast
Do MH normally service ZWWW? If not, it may not be in the FMC navigation Database. Different airlines use different databases. If ZWWW was not in the database then it would have to be entered by LAT/LONG with an elevation 50' above the field.
All the Best
That is true. It might hence be interesting to know how much of a custom tailored agreement MAS have with their database supplier.
Still, going south for hours if planning to go north should alert a person that is apparently able to operate a 777's FMC.