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  1. In Stock
    Smart-Fly SMT S SWITCH HD

    Heavy Duty 18 AWG SuperSwitch

    $34.95
    $34.95
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $150
  2. In Stock
    Smart-Fly SMT SSW-HD-2PAK

    Heavy Duty 18 AWG SuperSwitch, 2 pack

    $64.95
    $64.95
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $150
  3. In Stock
    Smart-Fly SMT SUP SWITCH

    22 AWG SuperSwitch with Universal Charge Jack

    $29.95
    $29.95
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $150
  4. In Stock
    Spektrum SPK 6820

    AR9100/VR6010 Soft Switch

    $9.99
    $9.99
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $150
  5. In Stock
    Spektrum SPK 9530

    3-Wire Switch Harness

    $16.99
    $16.99
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $150
  6. In Stock
    PowerBox Systems PBS 9040

    PowerBox MagSensor, with Sensor & Keychain

    $39.50
    $39.50
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $150
  7. In Stock
    PowerBox Systems PBS 9045

    PowerBox MagSensor, with Sensor & Keychain, for Royal/Champion SRS

    $39.95
    $39.95
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $150
  8. In Stock
    Spektrum SPK 9532

    Deluxe 3-Wire Switch Harness

    $16.99
    $16.99
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $150
  9. In Stock
    MPI MPI 3470

    One Piece Charge Switch, with JR Connector

    $15.00
    $15.00
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $150
  10. In Stock
    PowerBox Systems PBS 6332

    PowerBox 6V / 7.8V Sensor V3, with Multiplex & JR Plugs

    $117.50
    $117.50
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $150
  11. In Stock
    PowerBox Systems PBS 6334

    PowerBox 6V / 7.8V Sensor V3, with Deans & JR Plugs

    $117.50
    $117.50
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $150
  12. Limited Quantities
    PowerBox Systems PBS 5610

    PowerBox Magic Jeti Switch, Red Connector

    Now Only $23.95 - Reg: $31.50
    Now Only $23.95 - Reg: $31.50
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $150
  13. Out of Stock
    PowerBox Systems PBS 6430

    PowerBox DigiSwitch V2

    $57.99
    $57.99
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $150
  14. In Stock
    PowerBox Systems PBS 6432

    PowerBox DigiSwitch V2

    $62.50
    $62.50
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $150
  15. In Stock
    PowerBox Systems PBS 6330

    PowerBox 6V / 7.8V Sensor V3, with JR Plugs

    $117.50
    $117.50
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $150
  16. In Stock
    PowerBox Systems PBS 3570

    PowerBox SensorSwitch NG

    $37.50
    $37.50
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $150
  17. In Stock
    PowerBox Systems PBS 6600

    PowerBox SparkSwitch RS, 6V Regulated

    $69.99
    $69.99
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $150
  18. In Stock
    PowerBox Systems PBS 6601

    PowerBox SparkSwitch RS, 6V Unregulated

    $69.99
    $69.99
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $150
  19. In Stock
    Flight Model FLM FD-SWITCH-BL

    Miracle J-002 Heavy-Duty Switch with Fuel Dot, Blue

    $27.50
    $27.50
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $150
  20. In Stock
    Flight Model FLM FD-SWITCH-R

    Miracle J-002 Heavy-Duty Switch with Fuel Dot, Red

    $27.50
    $27.50
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $150
  21. In Stock
    PowerBox Systems PBS 6605

    PowerBox RPM-Probe, for SparkSwitch

    $16.99
    $16.99
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $150
  22. In Stock
    Spektrum SPK 9150

    PowerSafe Push Button Soft Switch with LED

    $24.99
    $24.99
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $150
  23. In Stock
    Taildragger RC TDRC 1020

    HD Power Switch with Charge Switch, 20 AWG

    $13.00
    $13.00
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $150
  24. In Stock
    PowerBox Systems PBS 3584

    PowerBox Pioneer/12x MicroSwitch

    $34.00
    $34.00
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $150
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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.