Dacron~® or "polyester" fabrics are currently the standard for general aviation aircraft requiring a fabric exterior covering on the airframe. This fabric weighs in at about 2.6 ounces per square yard for general aviation type aircraft and goes under the trade name of Ce-conite. However, a lightweight "uncertified" version of the fabric, commonly found on "ultralight" aircraft, can provide a tough and resilient covering for model aircraft.
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