V 303 Tannenberg was a German fishing trawler that was requisitioned in the Second World War by the Kriegsmarine for use as a vorpostenboot.

[1] Tannenberg was built at yard number 527 by Deschimag Seebeckwerft, Wesermünde for the Nordsee Deutsche Hochseefischerei AG, Cuxhaven.

The fishing boat registration HC 293 was allocated,[3] as were the Code Letters DJPI.

In that year, a diesel engine was fitted and she was converted to a cargo ship.

It was built by Klöckner-Humboldt-Deutz, Köln, West Germany,[4] and propelled the vessel at a speed of 8+1⁄2 knots (15.7 km/h).

On 25 June 1978, Chantal sprang a leak 9 nautical miles (17 km) off Cape Engaño, Dominican Republic and was beached.