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

Alaska Air Fuel

Named as the FAA publishes it on its approvals.

Holds 2 approved modifications, most of them for the Douglas C-54. FAA spelling: Alaska Air Fuel.

Approved modifications 2 · newest first

2014-06-20ST02435AK · Installation of four Boeing bulk liquid tanks · C54E-DC
2013-11-25ST02325AK · Installation of four Boeing bulk liquid tanks · C54E-DC

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.