The U.S. aircraft register, updated daily
Parts

Dhc Hg

No failure report names the dhc hg. 2 FAA approvals let 1 company make a replacement dhc hg, Ikhana Aircraft Services holding the most (2).

Approved replacement parts 2 parts manufacturer approvals

A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a dhc hg and sell it as an approved part for the models named. These are the companies holding such approvals for a dhc hg:

MakerPartReplacesFitsGrantedStatus
Ikhana Aircraft ServicesDHC-6-200HG Gross Weight Increase Modification Instl, PT6A-34 HG02-0000-503Modification PartViking Air Limited Twin Otter) (DHC-6-2002018-10-01current
Ikhana Aircraft ServicesDHC-6-200HG Gross Weight Increase Modification Instl, PT6A-27 HG02-0000-501Modification PartViking Air Limited Twin Otter) (DHC-6-2002018-10-01current

Sources: the FAA's service difficulty reports since 1995 (a report is a part that failed and was fixed, as filed by an airline, repair station or owner; the count shows reporting as much as reliability) and the parts manufacturer approvals in the FAA's Dynamic Regulatory System. The part name is the reporters' and the approval holders' own words, reduced to the first plain words so that spellings meet.