Hybrid construction could mean any method of building a boat which combines two different building techniques. In the case of kayaks it typically means building the hull using stitch and glue methods and the deck using strip building techniques. This offers the ability to quickly put together a hull using plywood, while getting the beauty of a strip-built deck.
I consider myself a cautious paddler, yet I have been "boarded" by the Coast Guard 3 times in the past year. "Boarding" is what the Coast Guard calls it when they stop you on the water for a safety check.