Mark Huber is an aviation industry veteran who has worked in the flight training, aircraft sales, aircraft component, and airport development businesses. He has flight time in more than 50 different and diverse aircraft, including helicopters, aerobatic aircraft, vintage warbirds, jet fighters, business jets and turboprops, and transport-category aircraft. He has jumped out of several of these—on purpose—with a parachute. His defense and aviation journalism has been published in a variety of national and international periodicals.

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Mark Huber

Robinson Helicopter is now offering an FAA-approved pressure refueling system as an $18,000 option on its R66 turbine single. The 13-pound system, located on the helicopter’s right side, provides a connection at waist level and allows for rapid refueling without the need for a ladder or opening the cowl door to access the main fuel cap.
A control panel allows the pilot to select full or partial fuel loads. The system incorporates automatic shutoffs to prevent overfill or overpressure and an audio alert warns the pilot if the fuel hose is still connected at takeoff. The shutoff valves are used to provide redundant protection to prevent over-fueling. Both valves must be open to allow fuel to flow. Each valve is connected to an independent float switch in the fuel tank to close the valve when the tank is full. An independent pressure switch closes the valve if fuel tank overpressure is detected. One of the valves is also connected to a second float switch to shut off at 40 gallons.&nbsp;
The pressure fueling system feeds fuel to the top of the main fuel tank. The system cannot be used for de-fueling, and it will not add fuel to the optional auxiliary fuel tank in the baggage compartment. The maximum allowable pressure for ground equipment connected to the fueling port is 50 psi (3.5 bar), providing 50 gallons per minute (gpm). Fuel flow rates at lower pressures are 30 gpm at 20 psi and 20 gpm at 10 psi.
The fueling port is compatible with an Emco Wheaton J71 dry-break coupler (recommended Emco Wheaton part number J71C-AVN1-E004), which fits a fuel hose with a one-inch male NPT threaded fitting.&nbsp;
A field installation kit is not currently available.&nbsp;

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