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  1. Through 4/30 / Shown with Discount
    JP Instruments JPI EDM730-4C

    Engine Data Monitor 730 System, 4 Cylinder

    Price: $1,530.00 - After $200 Instant Rebate
    Price: $1,530.00 - After $200 Instant Rebate
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $350
  2. Through 4/30 / Shown with Discount
    JP Instruments JPI EDM730-6C

    Engine Data Monitor 730 System, 6 Cylinder

    Price: $2,235.00 - After $200 Instant Rebate
    Price: $2,235.00 - After $200 Instant Rebate
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $350
  3. Through 4/30 / Shown with Discount
    JP Instruments JPI EDM730-7C

    Engine Data Monitor 730 System, 7 Cylinder

    Price: $2,375.00 - After $200 Instant Rebate
    Price: $2,375.00 - After $200 Instant Rebate
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $350
  4. Through 4/30 / Shown with Discount
    JP Instruments JPI EDM730-8C

    Engine Data Monitor 730 System, 8 Cylinder

    Price: $2,465.00 - After $200 Instant Rebate
    Price: $2,465.00 - After $200 Instant Rebate
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $350
  5. Through 4/30 / Shown with Discount
    JP Instruments JPI EDM730-9C

    Engine Data Monitor 730 System, 9 Cylinder

    Price: $2,645.00 - After $200 Instant Rebate
    Price: $2,645.00 - After $200 Instant Rebate
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $350
  6. Through 4/30 / Shown with Discount
    JP Instruments JPI EDM830

    Engine Data Monitor 830 System

    Models Starting at $2,575.00 - After $300 Instant Rebate

    Starting at

    $2,575.00

  7. Through 4/30 / Shown with Discount
    JP Instruments JPI EDM930

    Single Engine Data Monitor 930 System, TSO & STC

    Models Starting at $6,455.00 - After $500 Instant Rebate

    Starting at

    $6,455.00

  8. Through 4/30 / Shown with Discount
    JP Instruments JPI EDM960

    Twin Engine Data Monitor 960 System

    Models Starting at $12,190.00 - After $1500 Instant Rebate

    Starting at

    $12,190.00

  9. Through 4/30 / Shown with Discount
    JP Instruments JPI EDM900

    Engine Data Monitor 900 System, TSO/STC

    Models Starting at $4,775.00 - After $500 Instant Rebate

    Starting at

    $4,775.00

  10. Through 4/30 / Shown with Discount
    JP Instruments JPI EDM790-4C

    Twin Engine Data Monitor 790 System, 4 Cylinder

    Price: $4,200.00 - After $300 Instant Rebate
    Price: $4,200.00 - After $300 Instant Rebate
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $350
  11. Through 4/30 / Shown with Discount
    JP Instruments JPI EDM790-6C

    Twin Engine Data Monitor 790 System, 6 Cylinder

    Price: $5,495.00 - After $300 Instant Rebate
    Price: $5,495.00 - After $300 Instant Rebate
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $350
  12. JP Instruments JPI EDM350-4C

    EDM-350 Experimental Basic System, 4 Cylinder

    $1,075.00
    $1,075.00
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $350
  13. JP Instruments JPI EDM350-6C

    EDM-350 Experimental Basic System, 6 Cylinder

    $1,295.00
    $1,295.00
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $350
  14. JP Instruments JPI EDM350-4C-F

    EDM-350 Experimental Full System, with P5 Connector, 4 Cylinder

    $1,250.00
    $1,250.00
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $350
  15. JP Instruments JPI EDM350-6C-F

    EDM-350 Experimental Full System, with P5 Connector, 6 Cylinder

    $1,475.00
    $1,475.00
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $350
  16. JP Instruments JPI EDM900-EX

    Engine Data Monitor 900 System, Experimental

    Models Starting at $5,195.00

    Starting at

    $5,195.00

  17. JP Instruments JPI EDM930-EX

    Single Engine Data Monitor 930 System, Experimental

    Models Starting at $6,390.00

    Starting at

    $6,390.00

  18. Through 4/30 / Shown with Discount
    JP Instruments JPI EDM700-UPG

    EDM-700 to an EDM-730 Indicator Only Upgrade + $300 Core (Applied in Cart)

    Price: $1,300.00 - After $200 Instant Rebate
    Price: $1,300.00 - After $200 Instant Rebate
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $350
  19. Through 4/30 / Shown with Discount
    JP Instruments JPI EDM800-UPG

    EDM-800 to an EDM-830 Indicator Only Upgrade + $300 Core (Applied in Cart)

    Price: $1,300.00 - After $200 Instant Rebate
    Price: $1,300.00 - After $200 Instant Rebate
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $350
  20. Through 4/30 / Shown with Discount
    JP Instruments JPI EDM760-UPG

    EDM-760 to an EDM-790 Indicator Only Upgrade + $300 Core (Applied in Cart)

    Price: $1,350.00 - After $150 Instant Rebate
    Price: $1,350.00 - After $150 Instant Rebate
    Item Qualifies for Free Ground Freight (48 States) on Orders Over $350
  21. JP Instruments JPI EDM OPTION

    Optional Upgrades for EDM Series

    Starting at $85.00

    Starting at

    $86.00

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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.