Buoy tender

A buoy tender is a specialized ship, which primarily serves the laying and recovery of " tons " ( navigational marks for adding terms to the fairways and the like ).

Buoy tender are available in various sizes. Often there are vehicles with a length of 20 meters, a width of six to seven meters and a draft of 1.30 to 1.60 meters. The crew is almost always low.

In addition to its main task, the application of navigational aids, are used buoy tender many different purposes: these include personnel and material transport, supervision and inspection trips, beacons Put Works, Transport backup tasks, obstacle rescues, help with accidents and Peilarbeiten for hydrographic surveying and monuments as well as port and Baggerpeilungen. To fulfill these orders they have hydraulic cranes and winches, multibeam sonar systems and GPS tracking.

An earlier designation of such vessels is Tonnenbojer.