C-40 Cockpit Indicator

c-40 installed in aircraft

C-40 Cockpit Indicator (P/N 210-293-00) installed in a Bell 206L aircraft as part of our Dual Cargo Hook Kit (P/N 200-465-00).


For Use with Onboard Weighing Systems

The cockpit indicator is a key component of your Onboard Weighing System as it displays the weight of the cargo hook load to the pilot during external load missions. Our latest generation C-40 model builds on the legacy of its predecessor, the C-39 Cockpit Indicator, and has been designed from the ground up to incorporate operator-requested features to measure and display the cargo weight.

c-40 display
The analog bar on the left of the screen gives the pilot a way to quickly view the total weight on the hook.


c-40 back view
Multiple interfaces allow interconnection with a wide variety of equipment.


  • Simplifies Hook TBO Tracking — Includes an “Hours of External Load” meter to record time against the hook time between overhaul (TBO) schedule.
  • Digital RS-232 Output — Interfaces with Automatic Flight Following (AFF) equipment for contracts requiring location and weight reporting.
  • Maximum Load Input — Easy to adjust as part of your daily weight and balance calculation process.
  • Full Digit Display — Shows actual weight in real time; eliminates “times 10” calculations.
  • Analog Bar Display — At-a-glance visual feedback changes color as maximum load is approached.
  • Intuitive Interface — Just turn the knob to scroll through the options and push to select.
  • Field UpgradableDownload software upgrades from our website onto a thumb drive and install.
  • Improved Contrast — Blanview LCD screen provides better visibility in sunlight.
  • Enhanced Performance Options — Can be configured to enable aircraft-specific performance increases, such as the extra load capabilities provided through the Airbus vehicle and engine multifunction display (VEMD).


The C-40 Cockpit Indicator is being rolled out to a wide variety of cargo hook kits and aircraft. Please refer to our current chart of products offering the C-40.

In addition, the C-40 is upgrade-compatible from the C-39, so it is easy for operators who want access to the advanced features provided by the C-40 to make the switch. Please refer to this article about how to upgrade your existing C-39 indicator to the C-40 for more information.

Please contact us for more information.


Why Onboard

We maintain a large inventory of products, spare parts, and complete systems on site, allowing fast shipment of most items. While other manufacturers may put you on a waiting list for months, Onboard is able to turn around orders quickly — oftentimes the same day your payment is received. View our shipping policy here