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Who holds what · as the FAA records the name

Kollzman/Ids Avionics Group

Named as the FAA publishes it on its approvals.

Approved to make 16 classes of equipment. FAA spelling: Kollzman/IDS Avionics Group.

Equipment approvals technical standard order authorisations

1990-01-01TSO-C2B · Airspeed Instruments · *, *, * · instruments and avionics
1990-01-01TSO-C10B · ALTIMETER, PRESSURE ACTUATED, SENSITIVE TYPE · *, *, * · instruments and avionics
TSO-C49A · Electric Tachometer: Magnetic Drag (For Air Carrier Aircraft) · *, *, * · other and general
TSO-C9 · Automatic Pilots · * · other and general
TSO-C9C · Automatic Pilots · *, *, * · other and general
TSO-C44A · Fuel Flowmeters · *, *, * · other and general
TSO-C52A · Flight Directors · *, *, * · other and general
TSO-C47 · Pressure Instruments - Fuel, Oil, And Hydraulic · *, *, * · heating, ice protection and utility systems
TSO-C95 · Mach Meters · *, *, * · other and general
TSO-C8C · Vertical Velocity Instruments (Rate-Of-Climb) · *, *, * · other and general
TSO-C43 · Temperature Indicators · *, *, * · other and general
TSO-C88 · Automatic Pressure Altitude Digitizer Equipment · *, *, * · other and general
TSO-C55 · Fuel And Oil Quantity Instruments (Reciprocating Engine Aircraft) · * · engine
TSO-C87 · Airborne Low-Range Radio Altimeter · *, *, * · instruments and avionics
TSO-C8B · Vertical Velocity Instruments (Rate-Of-Climb) · *, *, * · other and general
TSO-C88A · Automatic Pressure Altitude Reporting Code Generating Equipment · * · 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.