Aerospace Control & Utilities

Diagnostic Fuel Management Controller ׂ(DFMC)

The Diagnostic Fuel Management Controller is an advanced fuel quantity
measurement & management controller with enhanced monitoring capabilities, specifically designed to provide real-time indication to the pilot of trapped fuel or fuel-related imbalance, as well as providing the maintenance personnel with full diagnostic and analysis capabilities regarding such occurrences.
The controller is currently in service with the F-16 fleets of several Air Forces and can be installed on any F-16 aircraft by a simple and quick retrofit.

Technical Data

  • Dimensions: (HxWxL) 3.45”x4.5”x5.4” (87.5x115x138)mm
  • Weight: 4 lb (1.8 Kg)
  • Qualifications: MIL-STD-810, MIL-STD-461,
    MIL-STD-704 and MIL-H-5606
  • Power Consumption: 10 W
  • MTBF exceeds 15,000 flight hours



  • Improves flight safety by providing real-time in-flight warnings of:
    •  Trapped fuel
    • Fuel leaks
    • Fuel transfer failures
    • Fuel imbalance
  • Reduces pilot workload on fuel system in-flight monitoring
  • Improves mission reliability - less flight aborts
  • Reduces fuel system maintenance costs through accurate diagnostics
  • Shorter AOG through simple fuel system troubleshooting process


Main Features

  • Measures and monitors all fuel tanks (both internal & external)
  • Controls the fuel quantity indicators
  • Provides fuel quantity data to the aircraft computer and to the fuel imbalance controller
  • Detects and displays failures – trapped fuel, imbalance, sensors failures
  • Records fuel system related events and commands
  • Continuous in-flight fuel system behavior recording
    • Throughout each sortie
    • Individual tanks fuel quantity measurement and recording
    • Continuous calculation, recording and comparison of fuel transfer rate to the desired one
  • Simple unit retrofit at the flight line level
  • Compatible with all F-16 Blocks


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