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Who holds what · as the FAA records the name

Trego Dugan Aviation

Named as the FAA publishes it on its approvals.

Holds 2 approved modifications, most of them for the Piper PA-44 Seminole. FAA spelling: Trego Dugan Aviation.

Approved modifications 2 · newest first

Piper PA-44 Seminole 2Piper PA-39 Twin Comanche C/R 2Piper PA-38 Tomahawk 2Piper PA-34 Seneca 2Piper PA-32 Cherokee Six, Lance and Saratoga 2Piper PA-30 Twin Comanche 2Piper PA-28 Cherokee, Warrior, Archer and Arrow 2Piper PA-24 Comanche 2Piper PA-23 Apache and Aztec 2Cessna U206 Stationair 2Cessna TU206 2Cessna TR182 Turbo Skylane RG 2
2017-05-10SA01838WI · Installation of a FreeFlight 1201 GPS receiver, with an Avidyne AXP340 Transponder, for ADS-B Out · M20, M20A, M20B
2016-04-11SA01816WI · Installation of an ADS-B compliant system, comprised of a Garmin GTX 330 Mode S Transponder and a Free Flight... · 19A, 23, 35-33

Source: FAA Dynamic Regulatory System (type certificate data sheets, supplemental type certificates, parts manufacturer approvals, technical standard order authorisations). An organisation's name is as the FAA spelled it on each record; related spellings are separate pages.