KMS Stier Technical Information
Name: KMS Stier, Schiff 23, Hilfskreuzer VI.
Type: light auxiliary cruiser.
Ex-name: Cairo, freighter.
Owner: Atlas-Levant Line.
Builder: Krupp-Germania Werft, Kiel.
Date of construction: 1936.
Converted by: WOK.
Date of conversion: 1941-42.
Date of commission: 10 May 1942.
Tonnage: 4,778.
Displacement: 11,000 tons.
Length: 134m (Lloyds Register).
Beam: 17.3m.
Draught: 7.2m.
Freeboard: 10.3m.
Fuel type: oil.
Fuel capacity: 3,200 tons.
Speed: 14 knots.
Range: 50,000 nautical miles at 12 knots.
Cruising endurance: 173 days at 12 knots.
Maximum horse power: 3,750, turbines.
Propulsion: one 7-cylinder-Diesel.
Propellers: 1.
Number of decks: 2.
Number of holds: 5.
Number of compartments: 7.
Crew: 324.
Aircraft carried: two Ar 231s.
Mines carried:?
Armament: six 5.9in (6x1), two 37mm (1x2), four 20mm
(2x1), two 21-inch torpedo tubes (2x1).
Length of cruise: 142 days, 9 May 1942 to 27 September 1942.
Ships sunk or taken:
| Nationality | Type | Name | Tonnage | Date | Result |
| Great Britain | Freighter | Gemstone | 4,986 | 4 June 1942 | Sunk |
| Panama | Tanker | Stanvac Calcutta | 10,170 | 6 June 1942 | Sunk |
| Great Britain | Freighter | Dalhousie | 7,072 | 9 August 1942 | Sunk |
| United States | Freighter | Stephen Hopkins | 8,500 | 27 September 1942 | Sunk | Grand total 4 ships | 30,728 |