Originally Posted by
serfty
If the booking buckets for a flight indicate only two cabin classes (F/Y or J/Y) are being sold but seat maps for that flight indicate a 3 class configuration then you have a "three-class sold as two".
OK, but how do you determine which JL seat map to look at? The JL web page shows only vague configuration information (such as 747-400), and ExpertFlyer warns that JL 747 seat maps are often inaccurate.
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