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

Lear Siegler, INC. Instrument Division

Named as the FAA publishes it on its approvals.

Approved to make 11 classes of equipment. FAA spelling: Lear Siegler, Inc. Instrument Division.

Equipment approvals technical standard order authorisations

1990-01-01TSO-C2 · Airspeed Instruments · *, * · instruments and avionics
1990-01-01TSO-C3 · Turn and Slip Instrument · * · instruments and avionics
1990-01-01TSO-C4 · Bank and Pitch Instruments · *, *, * · other and general
1990-01-01TSO-C10 · Aircraft Altimeter, Pressure Actuated, Sensitive Type · *, *, * · instruments and avionics
1990-01-01TSO-C5 · Direction Instrument, Nonmagnetic, Gyro-Stabilized Type (Directional Gyro) · *, * · instruments and avionics
TSO-C9 · Automatic Pilots · *, *, * · other and general
TSO-C6 · Direction Instrument, Magnetic (Gyro-Stabilized Type) · *, *, * · instruments and avionics
TSO-C8 · Vertical Velocity Instruments (Rate-Of-Climb) · * · other and general
TSO-C52 · Flight Directors · *, *, * · other and general
TSO-C7 · Direction Instrument, Magnetic Non-Stabilized Type (Magnetic Compass) · * · instruments and avionics
TSO-C46 · Maximum Allowable Airspeed Indicator Systems · *, *, * · instruments and avionics

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.