On the open sea they used a technique known as "dead reckoning," where the ship's known direction of travel was plotted over time on navigational charts, and objects were observed as they floated ...

They can also use the Electronic Chart Display and Information ... is unclear – it is not known what navigation devices were in use on the ship. Receive a weekly dose of discovery in your ...

On a destroyer, the information flows into the Electronic Chart Display and Information System, which interfaces with the ship’s GPS receivers and navigation sensors, such as speed and wind ...

Nimitz-class aircraft carriers USS Dwight D. Eisenhower (CVN 69), bottom, USS Harry S. Truman (CVN 75), top, transit in formation with the Royal Navy's Invincible-class aircraft carrier HMS ...

As reported by the BBC, security researcher Ken Munro from Pen Test Partners has discovered that a ship navigation system called the Electronic Chart Display (Ecdis) can be compromised ...

They can also use the Electronic Chart Display and Information System (ECDIS ... the Rena running aground is unclear – it is not known what navigation devices were in use on the ship.