Originally Posted by
ExpertFlyer Voice
It will work on any flight that JAL wants to show a different seat map for to elites. It might not apply to domestic flights.
JAL does show different seat maps for JAL and ow elites on domestic flights. But EF seems to show the same map with or without my JMB number in the profile. Not sure if EF even shows occupied seats correctly in this case. The seat I am assigned to showed as blocked instead of occupied.