GOTA KANAL General Information SPEED LIMIT 5 KNOTS IN THE CANAL. Depth in the Canal The hydrographic information is based on sparse soundings by handlead from the years of 1816 and 1817. In shallow waters aerial photographs have been used to improve depth information. All navigation outside the recommended tracks must be carried out with caution. Soundings and heights in metres reduced to Mean Sea Level. The Canal is regularly dredged and controlled. The least depth is 2.97 m. Traffic signals for bridges across Gota canal From bridges the following signals are shown: Iso R 4s Bridge closed. Iso R 4s + Iso W 4s The ship is observed. Iso R 4s + F W Bridge is beeing opened or closed. Iso G 4s Bridge is open. Proceed. Some of the bridges across Gota canal are remote controlled from an other location. The remote controlled bridges are TV-monitored. The bridge-master can be contacted by telecommunication installed at the bridges. Sound signals for Gota canal The following sound signals with the signal horn are required to be made as well as the signals of the international regulations for preventing collisions at sea. 1 long blast Hail or reply to be made by E-bound vessels. 2 long blasts Hail or reply to be made by W-bound vessels. 1 short and 1 long blast I am proceeding. 1 long and 1 short blast I am stopping (stopped). For further information visit www.gotakanal.se.