I think he was trying to tell you to get it recalibrated, whatever it takes!
WRB -- On Jun 17, 2010, at 22:00, James B. Brennan wrote: > My altitude encoder seems to prefer cabin air, but the flub-a-dub who > plumbed it last time (to which vent, I have no idea, but ATC told me > it was 2K' wrong). > > JBB
