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

Aircraft Modification & Repair

Named as the FAA publishes it on its approvals.

Holds 1 approved modification, most of them for the Cessna 172 Skyhawk. FAA spelling: Aircraft Modification & Repair.

Approved modifications 1 · newest first

Cessna 172 Skyhawk 1Cessna 170 1
1964-11-06SA733WE · 12.7-gallon auxiliary fuel tank. · 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.