The U.S. aircraft register, updated daily
Parts

Martin Fabric

No failure report names the martin fabric. 2 FAA approvals let 1 company make a replacement martin fabric, Arbor Company the 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 martin fabric and sell it as an approved part for the models named. These are the companies holding such approvals for a martin fabric:

For these models most: Champion 7 Citabria and Champ (2), Beechcraft UC-45 (2), Beechcraft TC-45 (2), Beechcraft D18 (2), Beechcraft C-45 (2), American Champion Aircraft 7 Citabria and Champ (2), Aeronca S7 (2), Aeronca S11 (2), Piper PA-16 Clipper (1), Piper PA-14 (1), Piper PA-12 Super Cruiser (1), Piper PA-11 Cub Special (1).

MakerPartReplacesFitsGrantedStatus
Arbor Company theMartin Fabric Clip 201Modification Part, Taylorcraft 201American Champion 7AC, S7AC, 7EC1997-07-30current
Arbor Company theMartin Fabric Clip 210Modification PartAmerican Champion 7AC, S7AC, 7EC1991-12-02current

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.