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

Kai V. Nielsen

Named as the FAA publishes it on its approvals.

Holds 2 approved modifications, most of them for the Piper PA-38 Tomahawk. FAA spelling: Kai V. Nielsen.

Approved modifications 2 · newest first

Piper PA-38 Tomahawk 1
2008-01-08SA2059NM · Installation of a modified Lycoming0-235-L2C designated as0-235-L2C(M) in accordance with STC SE3877NM. · PA-38-112
2008-01-08SE3877NM · Modification of a Lycoming O-235-L2C engine to increase the horsepower rating from 115 HP @ 2700 RPM to a continuous... · O-235-L2C

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.