Aircraft Instruments
Mechanical Flight Instruments

Flightline Systems offers a line of quality mechanical pressure sensing Standby Flight instruments. In the event of an electrical failure, our instruments can be relied on to get you home safe. With over 40 years of experience in the manufacture of these instruments, Flightline Systems is uniquely qualified to address your new or retrofit aircraft program requirements. Click here to learn about Flightline Systems market leadership.

Standby Altimeter
The mechanical standby altimeter is a panel mounted, direct reading altitude indicator. This silent companion provides the pilot with the traditional mechanical display that can be relied on to get home should all else fail.
  • The instrument's two (2) aneroid capsules sense the static air pressure external to the aircraft and show the altitude in feet on the counter pointer display
  • Barometric Adjustment Display: single counter in inches-Hg, mB, or HPA
  • Barometric range: 28.10 to 30.99 in.-hg. 950 to 1050 MB
Product Data Sheet (pdf)
Standby Airspeed
The mechanical standby airspeed indicator is a panel mounted, direct reading airspeed instrument. This silent companion provides the pilot with the traditional mechanical display that can be relied on to get home should all else fail.
  • Airspeed is displayed by a rotating pointer against a fixed scale in knots. The scale is non-linear and expanded at lower airspeeds for increased readability
  • Range of 60 to 450 knots depending on application
  • Certified to FAA TSO-C2d, RTCA/DO-160
Product Data Sheet (pdf)


Repair & Overhaul Services > click here
Authorized Distributors > click here

View our extensive line of Mechanical Flight Instrumentation:

Platforms Supported:
Beechcraft Beechjet Starship
Boeing V-22 Osprey
Bombardier/Learjet Lear 31 Lear 35 Lear 45
Canadair CL-601
Dassault Falcon Jet 50
Dehavilland Dash 8
Gulfstream G200


Electro-Mechanical Instruments

Flightline Systems offers a complete line of engine and flight instrumentation based on traditional technology. This line of Instrumentation was originally designed and manufactured by Lewis Engineering Company of Naugatuck Connecticut and is still in production and supported by Flightline. These instruments have a reputation for quality and reliability and are trusted by OEM's such as Boeing, Gulfstream and Bombardier. Flightline stands ready to support the existing fleet and aftermarket requirements. Click here to learn about Flightline Systems market leadership.

Analog Instruments
Flightline Systems’ line of engine and flight instrumentation based on traditional technology was originally designed and manufactured by the Lewis Engineering Company of Naugatuck, Connecticut with a reputation for quality and reliability.
  • Instruments are configurable for indication of temperature, pressure, voltage, fluid quantity, item position, torque, and many other functions based on application requirements.
  • Still used on current Production Aircraft
  • Proven Design and Quality
  • Full Aftermarket Support
  • On-site Repair and Overhaul Support (OEM Quality and Service)
  • Individual instruments are TSO'd to the governing Technical Standard Order
Product Data Sheet (pdf)


Repair & Overhaul Services > click here
Authorized Distributors > click here

View our extensive line of Electro-Mechanical Instrumentation:

Platforms Supported:
Airbus A319 A400M
Boeing 737 747 757 767 777
Boeing CH-47 KC-135
Bombardier Learjet 60
Gulfstream G550
Lockheed C130
MA 60
MD Helicopter 500 Series

For more information please contact Sales/Marketing
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