Butler National unit Avcon wins FAA STC for Honeywell MKV — A EGPWS retrofit on Bombardier, Learjet jets
Avcon Industries, a Butler National unit, secured an FAA supplemental type certificate for Honeywell MKV-A EGPWS installations. Approval covers select Learjet 40/45 and 60 models, plus Bombardier Challenger and Global variants, using existing avionics racks. STC supports operators replacing Honeywell Mark V EGPWS as th