Z21, a Type 1936 destroyer, was a named after Wilhelm Heidkamp. She was commissioned on June 10, 1939. The ship was improved and enlarged versions of the 1934 and 1934A classes. The structural integrity and Engine reliability was much improved and they were much better seagoing ships, shipping much less water through an improvement in the design of the bows. Z-21 was sunk on April 10, 1940 in Battle of Narvik.
- Optional full or waterline hull, detailed deck and superstructure, full weapons suite (shielded 5" guns, 37mm gun mounts, 20 mm gun mounts and 533mm torpedo tube quad-launchers), ship's boats, mine rails, mines, nameplate, filigree masts and cranes
- Photo-etch parts (display stand, funnel cap grilles, mast aerials, capstan wheels and spray shields)
- Completed length is approximately 6.9"
- Color painting guide shows port, starboard and overhead plan views and decals represent the ship's ensign