yes they are. have to modify aircraft to stop this.
you mentioned 146's again?
they do have catalysers fitted. on some just passed the bleed port.
and the engine will use +1 qrt on a 10 hr day. on a good engine. if only people logged these properly you would know.
and thanks for my name.
Why on many flights the crew are sick/ill and not the pax?
[ 12 December 2001: Message edited by: schit.furbraen ]