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

Serv-Aero Engr INC

Holds 3 approved modifications, most of them for the Fairchild 24. FAA spelling: Serv-Aero Engr Inc.

Approved modifications 3 · newest first

1980-11-26SP9WE · Installation of Serv-Aero SA-10-P-18Q blades. · 23E
1960-01-01SA4-42 · Engine mount for Jacobs R-755 engine. · 24W Series
1960-01-01SA4-46 · Lycoming O-435-1 engine, accessories, and Hartzell HC-12X20-8D propeller. · 108 Series

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.