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

Spirent Systems Wichita, INC.

Approved to make 3 classes of equipment. FAA spelling: Spirent Systems Wichita, Inc..

Equipment approvals technical standard order authorisations

2001-09-19TSO-C43C · Temperature Instruments · *, Temperature Instruments, Temperature Instruments · other and general
1990-01-01TSO-C41d · AIRBORNE AUTOMATIC DIRECTION FINDING (ADF) EQUIPMENT · Airborne Automatic Direction Finding (ADF) Equipment · other and general
1990-01-01TSO-C43a · Temperature Instruments · Temperature Instruments, Temperature Instruments · other and general

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.