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. use with the Aero Scrubber.