Phaostron Fuel Quantity Indicator

This part number designates a panel-mounted, analog cockpit instrument manufactured by Phaostron Instrument and Electronic Co. for Textron Beechcraft. It serves as a primary fuel system monitoring indicator factory-installed on high-performance general aviation aircraft.

Description

This unit has been bench tested by an FAA certified repair station and it comes with an 8130 single release dated 06/03/2026.

Key Technical Capabilities
  • Fuel Volume Monitoring: Continuously tracks and displays the total usable onboard fuel quantity inside the wing tanks, delivering continuous analog feedback to the flight crew.
  • Resistance-Based Signal Processing: Engineered to receive variable electrical resistance signals sent directly from fluid-level float senders located inside the fuel tanks, translating current changes into needle movement.
  • High-Contrast Scale Design: Features clean, highly legible white graduations marking empty (E) to full (F) values against a deep black background to optimize pilot scan visibility.
  • Integrated Case Illumination: Equipped with an internal 28V lamp tray that provides smooth, glare-free faceplate lighting to protect pilot night-vision during late or IFR flight operations.

Additional information

Part Number

728-19874
58-380075-19

Serial Number

781

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