Who holds what · as the FAA records the name

Diamond Upgrades, LLC

Named as the FAA publishes it on its approvals.

Holds 3 approved modifications, most of them for the Bell 412. FAA spelling: Diamond Upgrades, LLC.

Approved modifications 3 · newest first

Bell 412 1 Airbus Helicopters AS355 TwinStar 1 Aerospatiale AS-355 1

2013-04-17SH7962SW-D · Installation of two Allison 250-C20R engines and enhanced antitorque system. · AS355F2

2013-04-17SH7961SW-D · Installation of two Allison 250-C20R engines. · AS355F1

2012-10-11SR01180LA · Installation of Pratt & Whitney PT6T-3DF Twin-Pack in place of PT6T-3B, -3BE, -3BF, -3BG Twin Pack · 412

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.