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

S & K Engineering

Holds 3 approved modifications, most of them for the Boeing 707. FAA spelling: S & K Engineering.

Approved modifications 3 · newest first

Boeing 707 1
1999-12-01SA4102SW · Installation of Airstair. Approved for installation on Boeing 707-138B, serial number 18334 ONLY. · 707-100 Long Body
1980-09-08SE417GL · Installation of a spin-on oil filter adapter and spin-on filter in lieu of original screen. · E225-8, E225-4
1980-09-08SE416GL · Installation of a spin-on oil filter adapter and spin-on filter in lieu of original screen. · E185-11, E185-3, E185-8

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.