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Who holds what · as the FAA records the name

Rock Avionic Systems INC

Named as the FAA publishes it on its approvals.

Holds 2 approved modifications, most of them for the Piper PA-34 Seneca. FAA spelling: Rock Avionic Systems Inc.

Approved modifications 2 · newest first

Piper PA-34 Seneca 1Piper PA-28 Cherokee, Warrior, Archer and Arrow 1Cessna U206 Stationair 1Cessna A188 1Cessna A185 Skywagon 1Cessna 188 1Cessna 182 Skylane 1Cessna 180 Skywagon 1Cessna 172 Skyhawk 1
1974-04-05SA979EA · Installation of L/R wing tip trans- parent fairings and sensor mounting bracketry. · PA-28-180, PA-28-150, PA-28R-200
1974-02-26SA974EA · Installation of L/R wing tip trans- parent fairing and sensor mounting bracket. · 172M, 182P, A185F

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.