Fuel Supply Monitor (FSM)

Monitors the aircraft fuel situation mainly to annunciate developing supply problems. Keeps track of up to 4 individual tanks - quantities, flows, pressures, pumps, totalizations.

A typical single header with multiple feeder fuel tank configuration is shown below:

Key Features

  • The FSM is able to read all 4 fuel-quantity probes, 3 fuel-flow sensors, 3 fuel-pump power signals, and one fuel pressure transducer (shown above).

  • It drives up to 5 warnings/alerts on your annunciation panel:

    • Warns you when one (or more) of the 3 fuel pumps produces less than acceptable fuel flow, indicating either pump failure, fuel-line blockage or an empty-tank situation.

    • Warns you when the fuel pressure drops below an acceptable value, indicating possible boost-pump failure.

    • Warns you when the header tank level drops below its full state, indicating a low fuel situation.

  • The FSM can connect to the FSM-PD (Panel-Display) in order to display all fuel information inside the cockpit.
  • It provides separate fuel totalization on each of the 3 feeder tanks. You can set fuel quantities on each tank via our FSM-PD (Panel-Display) and the FSM will keep track as fuel is used.
  • The FSM can send fuel information over RS-232 stream to other devices (such as GNS430).
  • The FSM can be customized for other fuel configurations.

Software (Windows OS)

FSM Link Software ver1.02a (zip)

with firmware ver1.01d

(Updated on May 24, 2006)

Documents

FSM Manual (pdf)

(Updated on Nov 2, 2005)

Warranty & Terms

Warranty - Terms & Conditions

Optional Panel-Display

Two standard sizes are available:

These instruments link to a FSM via CAN-bus (Controller Area Network) and display all fuel system information gathered by the FSM.

The 1st page displays the following real-time parameters:

  • FUEL - totalized fuel quantity in all but header tank (GAL)
  • FLOW - total fuel flow rate from all but header tank (GPH)
  • PRES - fuel pressure between header and engine (PSI)
  • RESV - fuel quantity mapped according to level in header tank (GAL)

The 2nd page displays more detail for all but the header tank:
  • FUEL - totalized fuel quantities of left, center and right main tanks (GAL)
  • FLOW - fuel flow rates of left, center and right main tanks (GPH)
  • LEVEL - fuel tank levels of left, center and right main tanks (GAL)
  • TANK - fuel pump activation of left, center and right tanks (ON/OFF)

Other features include:

  • Toggle switch for paging and menu selection
  • 128 x 64 pixel graphics liquid crystal display
  • Integrated display brightness and contrast control
  • Field programmable and configurable from laptop computer
  • Integrated RS232 interface for expandable functionality
  • Rugged anodized exterior milled from solid aluminium

Panel-Display for FSM

Panel-Display Installation

Panel-Display Installation Guide (pdf)

Panel-Display types / sizes

MPD

3PD