If it really is painted with automotive paint and automotive clear coat, it can just be resprayed. You need to be sure that it's paint+clearcoat and not the Airstream Plastikote stuff, which is a different animal altogether.
Il Carriaggio — 1975 Argosy 24 | Il Progetto — 1976 Argosy 28 Center Bath | WBCCI# 15566
He has all of the virtues I dislike and none of the vices I admire. — Sir Winston Churchill