The Alk is a German Tiger Class fast attack missile craft of 265 tons displacement commissioned in 1975. She is powered by four MTU MD 872 16-cylinder diesels providing a top speed of 36 knots and a range of 570 miles at 30 knots and 1600 miles at 15 knots. She carries a crew of 30 including four officers. Armaments consist of two twin Aerospatiale... Found on http://www.probertencyclopaedia.com/browse/RA.HTM