Chapter 11 - Influence Mine Units - SVK and Luftwaffe; Section 7 - Pressure and Pressure-Combination Units - Operation of D 103 UnitChapter 11 - Influence Mine Units - SVK and Luftwaffe; Section 7 - Pressure and Pressure-Combination Units - Characteristics of the D 123
GERMAN UNDERWATERS ORDNANCE MINES
Chapter 11 - INFLUENCE MINE UNITS - SVK AND LUFTWAFFE
Section 7 - PRESSURE AND PRESSURE-COMBINATION UNITS
CHARACTERISTICS OF THE D 113

Sensitivity: 1-2 cm of water

Period: 6-7 seconds negative, 2-3 seconds positive

Contains anti-explosion device and anti-swell feature.