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

Rainbow Flying Service LLC

Holds 1 approved modification, most of them for the Aeronca S11. FAA spelling: Rainbow Flying Service LLC.

Approved modifications 1 · newest first

2014-04-25SA02295SE · Installation of an alternate method of fastening aluminum wing ribs to wood spars · 11AC, 11BC, 7AC

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