The U.S. aircraft register, updated daily
Who holds what · as the FAA records the name

Frontier Flying Service INC.

Named as the FAA publishes it on its approvals.

Holds 2 approved modifications, most of them for the Piper PA-31 Navajo and Chieftain. FAA spelling: Frontier Flying Service Inc..

Approved modifications 2 · newest first

2020-02-04SA3642NM · Installation of Hartzell HC-E3YR-2ATF/FC8468( )-8Q (left engine) and HC-E3YR-2ALTF/FJC8468( )-8Q (right engine)... · PA-31-350
2020-02-04SA3612NM · Installation of SAFT type 2376 nickel-cadmium battery. · PA-31-350

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.