水缸
"Point Roberts" was built to accommodate an 8-man crew. She was powered by two VT800 Cummins diesel main drive engines and had two five-bladed propellers. Water tank capacity was and fuel tank capacity was at 95% full. After 1990 she was refit with Caterpillar diesel main drive engines. Engine exhaust was ported through the transom rather than through a conventional stack and this permitted a 360-degree view from the bridge; a feature that was very useful in search and rescue work as well as a combat environment.