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  1. In Stock
    Electronics International EI A1

    EI A-1 - OAT Gauge, STC, FAA-PMA, TSO

    $345.00
    $345.00
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $350
  2. Electronics International EI CA1

    EI CA-1 - Carburetor/OAT Gauge, STC, FAA-PMA, TSO

    $429.00
    $429.00
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $350
  3. Electronics International EI E1

    EGT Kit Single

    $345.00
    $345.00
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $350
  4. Electronics International EI E1P

    EGT Set with Overtemp Single

    $389.00
    $389.00
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $350
  5. Electronics International EI E2

    EGT Kit Twin

    $645.00
    $645.00
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $350
  6. Electronics International EI E4

    EGT 4 Cylinder Multi-Cylinder

    $725.00
    $725.00
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $350
  7. Electronics International EI E6

    EGT 6 Cylinder, Multi-Cylinder

    $825.00
    $825.00
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $350
  8. Electronics International EI EAC1

    EI EAC-1 - CHT/EGT/OAT Kit for Singles, STC, FAA-PMA, TSO

    $525.00
    $525.00
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $350
  9. In Stock
    Electronics International EI EC1

    CHT/EGT Kit Single

    $475.00
    $475.00
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $350
  10. Electronics International EI EC1P

    CHT/EGT Kit Single with Overtemp

    $795.00
    $795.00
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $350
  11. Electronics International EI EC2

    CHT/EGT Kit Twin

    $825.00
    $825.00
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $350
  12. In Stock
    Electronics International EI M1

    EI M-1 - Manifold Pressure Functional Mode Gauge

    $575.00
    $575.00
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $350
  13. Electronics International EI R4

    EI R-1 Tachometer, for 4 Cylinder Engines

    $548.00
    $548.00
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $350
  14. Electronics International EI R6

    EI R-1 Tachometer, for 6 Cylinder Engines

    $548.00
    $548.00
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $350
  15. Electronics International EI R8

    EI R-1 Tachometer, for 8 Cylinder Engines

    $548.00
    $548.00
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $350
  16. Electronics International EI FL-2CA

    Fuel Level Kit, 12 or 24V systems, for EI capacitive fuel level sensors (P-300C)

    $519.00
    $519.00
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $350
  17. Electronics International EI FL2RA-12

    Fuel Level Kit, for 12V system with resistive senders

    $519.00
    $519.00
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $350
  18. Electronics International EI FL2RA-24

    Fuel Level Kit, for 24V system with resistive senders

    $519.00
    $519.00
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $350
  19. Electronics International EI OPT1

    EI OPT-1 - Oil Pressure/Temperature Gauge

    $595.00
    $595.00
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $350
  20. Electronics International EI S50

    External Shunt S-50, Up to 100 amps, Electronics International

    $41.00
    $41.00
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $350
  21. Electronics International EI T1P

    EI T-1P - Turbine Inlet Temperature Gauge

    $395.00
    $395.00
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $350
  22. Electronics International EI TT1P

    EI TT-1P - Turbine Inlet Temperature Dual Gauge

    $775.00
    $775.00
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $350
  23. Electronics International EI VA-1A

    EI VA-1A - Volt-Ammeter, with Internal Shunt

    $395.00
    $395.00
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $350
  24. Electronics International EI S300

    External Shunt S-300, 100 amps or More, Electronics International

    $51.00
    $51.00
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $350
  25. Electronics International EI VA-1A-XX

    EI VA-1A - Volt-Ammeter, for External Shunt (No Shunt)

    Price: $395.00
    See Related Products for External Shunts
    Price: $395.00
    See Related Products for External Shunts
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $350
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Engine Instruments

Aircraft engine instruments are crucial for any pilot to access essential engine information, such as fuel quantity, fuel flow and oil pressure. Chief Aircraft Inc. offers an extensive collection of engine instruments so you can ensure your aircraft is operating as it should. Browse our selection today.

Purpose of Aircraft Engine Instruments

In any aircraft, it's important to accurately measure operating parameters such as fuel flow and levels, electrical loads and pressure. When it comes to the engine specifically, pilots need to know exactly how the aircraft is operating at all times with accurate, real-time information. This allows them to adjust as necessary to ensure the engine runs as it should during flight. Typical information that engine instruments display includes:

  • Oil pressure: This gauge indicates whether the oil pressure is within operating limits so the engine gets the lubrication it needs.
  • Exhaust gas temperature: The exhaust stream temperature is monitored to help prevent temperature-related damage to engine components.
  • Oil temperature: Oil may lose its lubrication properties when its temperature is too high.
  • Engine pressure ratio (EPR): This is the total pressure across a jet engine.
  • Torque: A torque meter measures the amount of torque being produced by the engine.
Aircraft engine instruments are one of the three basic sets of aircraft instruments — the other two being flight instruments and navigation instruments — that pilots rely on for a safe and successful flight.

Our Extensive Supply of Engine Instruments

At Chief Aircraft Inc., we supply a wide range of engine instruments from reputable manufacturers, including Electronics International, JP Instruments and Superior Labs, Inc. We make your shopping experience much easier by letting you find the instruments you need using helpful categories. You can save by shopping our Electronics International Engine Monitors or the JPI EDM Series including the 4 Cylinder Engine Data Monitor 730 System. You can also browse by manufacturer and instrument type, such as tachometers from Mitchell, Superior Labs or UMA. We also stock probes and senders from Insight Instruments, Mitchell and UMA. Find manifold pressure gauges from UMA, oil temperature gauges from Mitchell and other essential engine instruments.

Shop Our Inventory of Aircraft Engine Gauges for Your Instrumentation Needs

Not sure which aircraft engine management systems will fulfill your requirements? With more than 40 years of experience in supplying quality engine instruments and other aviation equipment, our staff can answer whatever question you bring to us. Browse our selection of aircraft engine instruments today for your aircraft. You can also contact our team if you have questions and to find out more information on the instruments of your choice.