Here's a Benchy that resembles a F18! The one's pictured were printed at approx 25% scale. Supports will be needed for the wings and horizontal stabilators but shouldn't be necessary for the rest of the print. The stripes on the carrier deck were spare strips of filament cut to length.

Original Benchy file from here: https://www.printables.com/model/3161-3d-benchy/files
Aircraft Carrier Benchy was printed from here: https://makerworld.com/en/models/1302556-benchy-aircraft-carrier?from=search#profileId-1335198