Belly Soap, The quickest and easiest way to clean the dirtiest aircraft bellies and engine areas that are mixed with dried or baked-on hydraulic fluids and oils. It also works great on RVs, Cars, Boats, and Motorcycles. Safely removes grease, oil, hydraulic fluid, and exhaust soot. Simply spray on and wipe dry. Safe on all vehicle surfaces wet or dry. Meets Boeing Aircraft cleaning Spec. Exterior D6-17487P. For tough cleaning jobs, use with the Aero Scrubber.