Citabria Update – June 12, 2016By skycaptain / June 12, 2016 June 12, 2016 / News Exterior side of the fiberglass repair to the Citabria nacelle was sanded smooth. 2/3 white Ranthane HS Polyuréthane and 1/3 Catalyst were mixed together and the paint was applied to the repaired surface area.