Before revision: upright= 1.4 |An example of ice navigation; Russian icebreaker Krasin leading an American supply ship into McMurdo Station, Antarctica Ice navigation is a specialist area of navigation involving the use of maritime skills to determine and monitor the position of ships in cold waters, where ice is a hazard to the safety of navigation.
After revision: upright= 1.2upright=1.2|Cargo vessel Claudia navigating in ice, Gulf of Bothniaupright=1.2|Icebreaker Ymer assisting cargovessel Vlieborg |An example of ice navigation; Russian icebreaker Krasin leading an American supply ship into McMurdo Station, Antarctica Ice navigation is a specialist area of navigation involving the use of maritime skills to determine and monitor the position of ships in cold waters, where ice is a hazard to the safety of navigation.