Update 06 Jan 2013

By Mas Edy


Abandon Dive:
Equivalent to red alert when divers return to the bell immediately and bell is brought back to the surface.

Radio system used to measure vessels position. System operates using a microwave frequency and measures the range and bearing of the vessel from a fixed station that is generally installed on a platform.

Back-up DP:
A physically separate DP control system that will be available in the event of a total failure of the main DP control system.

Free running device on seabed that generates acoustic pulses that are received by the HPR system and used to establish the vessels position.

Loss of all main electrical power.