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

Mid-Continent Instrument CO. INC.

Holds 3 approved modifications, most of them for the Aero Commander 200. Approved to make 21 classes of equipment. FAA spelling: Mid-Continent Instrument Co. Inc..

Approved modifications 3 · newest first

2026-05-15SA04761NY · True Blue TS56 Emergency Battery Power Supply Replacement · EMB-505
2021-03-04SA02075SE · Installation of a Mid-Continent MD835( ) Lithium Ion Battery · Ae 270, TBM 700, EMB-500
2018-11-19SA03830NY · Installation of the TB-17 Lithium Ion Battery System · A36

Equipment approvals technical standard order authorisations

2026-01-23TSO-C173a · Nickel-Cadmium, Nickel Metal-Hydride, and Lead-Acid Batteries · Emergency Battery Power Supply · electrical power
2025-12-01TSO-C173a · Nickel-Cadmium, Nickel Metal-Hydride, and Lead-Acid Batteries · Emergency Battery Power Supply · electrical power
2025-07-25TSO-C71 · AIRBORNE STATIC ("DC TO DC") ELECTRICAL POWER CONVERTER (FOR AIR CARRIER AIRCRAFT) · USB Power Charging port · electrical power
2025-05-16TSO-C71 · AIRBORNE STATIC ("DC TO DC") ELECTRICAL POWER CONVERTER (FOR AIR CARRIER AIRCRAFT) · TC6500 DC-to-DC Voltage Converter · electrical power
2025-02-21TSO-C3e · Turn and Slip Instrument · Turn Coordinator · instruments and avionics
2022-10-21TSO-C4C · BANK AND PITCH INSTRUMENTS · *, *, Standby Digital Flight Instrument, providing indication of attitude,... · instruments and avionics
2022-10-21TSO-C2d · AIRSPEED INSTRUMENTS · Airspeed Indicator, Standby Digital Flight Instrument, providing indication... · instruments and avionics
2022-10-21TSO-C3e · Turn and Slip Instrument · Standby Digital Flight Instrument, providing indication of attitude,... · instruments and avionics
2022-10-21TSO-C106 · AIR DATA COMPUTER · Standby Digital Flight Instrument, providing indication of attitude,... · instruments and avionics
2019-09-20TSO-C10b · ALTIMETER, PRESSURE ACTUATED, SENSITIVE TYPE · Standby Digital Flight Instrument, providing indication of attitude,... · instruments and avionics
2019-09-20TSO-C179a · Permanently Installed Rechargeable Lithium Cells, Batteries and Battery Systems · Emergency Power System, Standby Digital Flight Instrument, providing... · electric propulsion
2019-09-20TSO-C113a · Airborne Multipurpose Electronic Displays · Standby Digital Flight Instrument, providing indication of attitude,... · instruments and avionics
2019-09-20TSO-C6e · DIRECTION INSTRUMENT, MAGNETIC (GYROSCOPICALLY STABILIZED) · Direction Instrument, Magnetic (Gyroscopically Stabilized) · instruments and avionics
2018-02-01TSO-C71 · AIRBORNE STATIC ("DC TO DC") ELECTRICAL POWER CONVERTER (FOR AIR CARRIER AIRCRAFT) · Static Electrical Power Converter, Static Electrical Power Converter, Static... · electrical power
2012-04-28TSO-C73 · STATIC ELECTRICAL POWER INVERTER · Static Electrical Power Inverter · electric propulsion
2010-04-02TSO-C179 · Rechargeable Lithium Cells and Lithium Batteries · Rechargeable Lithium Cells and Lithium Batteries · electric propulsion
1999-03-17TSO-C60A · Airborne Area Navigation Equipment Using Loran C Inputs · *, *, * · instruments and avionics
1999-03-17TSO-C5C · Direction Instrument, Nonmagnetic, Gyro-Stabilized Type (Directional Gyro) · * · instruments and avionics
1999-03-17TSO-C3B · Turn and Slip Instrument · *, *, * · instruments and avionics
1999-03-17TSO-C129 · Airborne Supplemental Navigation Equipment using the Global Positioning System (GPS) · *, *, * · instruments and avionics
1999-03-17TSO-C3A · Turn and Slip Instrument · * · instruments and avionics

Source: FAA Dynamic Regulatory System (type certificate data sheets, supplemental type certificates, technical standard order authorisations). An organisation's name is as the FAA spelled it on each record; related spellings are separate pages.