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

Ja Air Center

Named as the FAA publishes it on its approvals.

Holds 3 approved modifications, most of them for the Maule MT-7. FAA spelling: JA Air Center.

Approved modifications 3 · newest first

Maule MT-7 1Dehavilland DHC-6 1Beechcraft B300 King Air 350 1Beechcraft 300 King Air 300 1
2004-08-27SA02024CH · Installation of an S-TEC System 55x Two Axis Automatic Flight Guidance System (autopilot) with Flight Director,... · MT-7-420
2003-08-08SA01871CH · Installation of a Honeywell Mark VI Enhanced Ground Proximity Warning System (EGPWS). Limited to installation on... · DHC-6-300
2000-10-04SA01322CH · Installation of AlliedSignal Mark VI Enhanced Ground Proximity Warning System (EGPWS) with EGPWS video. · 300, B300, B300C

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.