Iic
Named as the FAA publishes it on its approvals.
Approved to make 1 class of equipment. FAA spelling: IIC.
Equipment approvals technical standard order authorisations
2010-10-15TSO-C43c · TEMPERATURE INSTRUMENTS · G3 Graphic Engine Monitor · engine
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.