The U.S. aircraft register, updated daily
Parts

Teardrop Antenna

No failure report names the teardrop antenna. 4 FAA approvals let 2 companies make a replacement teardrop antenna, Blackhawk Aerospace Technologies, INC. holding the most (2).

Approved replacement parts 4 parts manufacturer approvals

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

MakerPartReplacesFitsGrantedStatus
Blackhawk Aerospace Technologies, INCTeardrop Antenna Doubler 76CD-316D011-101N/ATextron (Cessna) 5252023-02-15current
Blackhawk Aerospace Technologies, INCTeardrop Antenna Nutplate Strap 76CD-316D011-103N/ATextron (Cessna) 5252023-02-15current
Blackhawk Aerospace Technologies, INC.Teardrop Antenna Nutplate Strap 76CD-316D011-103N/ATextron (Cessna) 5252022-06-24current
Blackhawk Aerospace Technologies, INC.Teardrop Antenna Doubler 76CD-316D011-101N/ATextron (Cessna) 5252022-06-24current

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.