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

Ritter & Iverson CO, INC

Named as the FAA publishes it on its approvals.

Holds 2 approved modifications, most of them for the Cessna U206 Stationair. FAA spelling: Ritter & Iverson Co, Inc.

Approved modifications 2 · newest first

Cessna U206 Stationair 1Cessna 206 Stationair 1
1987-10-05SE4020NM · Installation of Ritter and Iverson Cam P/N 32122-1. · IO-520-F, IO-520-A
1987-09-30SA4019NM · Installation of engine as modified by STC SE4020NM for the installation of Ritter & Iverson Cam P/N 32122-1. · 206, U206G

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.