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

Aircenter INC

Holds 4 approved modifications, most of them for the Aero Commander 680. FAA spelling: Aircenter Inc.

Approved modifications 4 · newest first

2006-04-14SA666SW · Forward cabin door installation. · 560-F, 680, 680-E
2005-04-16SA1089SW · Installation of 59 gallon wing auxiliary fuel tank according to Drawing List 60400 dated 10/5/69, revised 5/1/70. · 560-F, 680, 680-E
2004-12-30SA2826SW · Installation of auxiliary fuel tank according to Report No. MDL 60700 Master Drawing List revised 7/27/78, or later... · 500-S, 500-B, 500-U
2003-01-28SA02609AT · Installation of Enviro Systems Air Conditioner per Air Centers Cool Air Drawings AC-310-062299 dtd 7/24/99 or later... · 310Q, 310R, T310Q

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.