Milestones are non-luminous floating signs and are equipped with a passive radar reflector (PRR), a top figure and a license plate.

Unsinkability is ensured by the presence of watertight bulkheads in the hull. Operational period - summer navigation.

Application area:

MS (sea milestone) is designed to protect sea navigation channels, fairways, certain navigational hazards in open sea areas.

MS Specifications

• Setting depth (recommended), m 7…20
• Overall length of the milestone, m 5.7±0.02
• Figure height above sea level, m 3.2
• Buoy body diameter, m 0.97±0.005
• Mass of milestone without equipment and anchor devices, kg 385±20
• Anchor weight, kg 680±50
• Anchor chain’s caliber, 19mm
  
• Operational lifetime, 5 years