GERMAN UNDERWATERS ORDNANCE MINES |
Chapter 11 - INFLUENCE MINE UNITS - SVK AND LUFTWAFFE |
Section 7 - PRESSURE AND PRESSURE-COMBINATION UNITS |
CHARACTERISTICS OF THE D 133 |
Sensitivity: 8-10 cm of water (stumpf) |
Period: 2-3 seconds negative |
Intended for use in shallow waters against fast motor boats. |