The U.S. aircraft register, updated daily
Parts

Tapered Intercostal

No failure report names the tapered intercostal. 1 FAA approvals let 1 company make a replacement tapered intercostal, Carson Helicopters, INC. holding the most (1).

Approved replacement parts 1 parts manufacturer approvals

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

For these models most: Sikorsky S-61 (1).

MakerPartReplacesFitsGrantedStatus
Carson Helicopters, INC.Tapered Intercostal S6120-64119-40Modification PartSikorsky S-61N2021-08-23current

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.