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

Marlin and Myron Harms

Named as the FAA publishes it on its approvals.

Holds 1 approved modification, most of them for the Cessna 172 Skyhawk. FAA spelling: Marlin and Myron Harms.

Approved modifications 1 · newest first

Cessna 172 Skyhawk 1Cessna 170 1
1960-01-01SA4-1404 · Vacuum system 121 and 121A. (Eligible only on engines with dampened crankshafts). · 172 Series, 170

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.