It used to be that a bucket of soap -- any soap -- and a rag was all you needed to clean anything. That same bucket of soap, it turns out, could be the worst thing you can use on your airplane (or your modern auto for that matter).Why are airplanes so different? There are two factors to consider: the paint and the aluminum underneath.
This is a companion discussion topic for the original entry at https://www.avweb.com/ownership/aircraft-cleaning