Material Condition of Readiness (US Navy)
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In the United States Navy, a ship's Condition of Readiness refers to how secure it is against the spread of fire or flood for the purposes of damage control. Upgrading the Condition of Readiness increases watertight integrity but decreases the ability of the crew to move throughout the ship. All condition changes are set by a ranking officer, the Commanding Officer, or Officer of the Deck. A closed hatch or fitting cannot be opened without express permission from Damage Control Central (DCC) of from the Officer of the Deck when not at General Quarters.[1]
Condition XRAY[edit]
This is the default setting for readiness and reflects that the ship is relatively. XRAY is set during working hours, when the ship is in port, and under no treat from bad weather. In this state, crew movement throughout the ship is minimally limited.
Hatches and fittings are marked with a black "X" and a circle "X" are to be closed during condition XRAY.
Condition YOKE[edit]
This condition provides an increased degree of security against fire and flood and to be set while at sea or in port during wartime. YOKE could theoretically be set due to the ship taking on water, inclement weather, or a fire.
Hatches and fittings that are marked with an "X", "Y", circle "X" or circle "Y" are to be closed during condition YOKE.
Condition ZEBRA[edit]
This condition provides the highest degree of protection and the highest limitation of movement throughout the ship. This condition it set when General Quarters is sounded, when entering or leaving a port during wartime, or at any time the Commanding Officer deems it necessary to be set. ZEBRA can also be set to contain fire or flooding that has occurred when the ship is not at General Quarters.[2]
References[edit]
- ↑ "MATERIAL CONDITIONS OF READINESS". engineeringtraining.tpub.com. Retrieved 2020-08-25.
- ↑ "MATERIAL CONDITIONS OF READINESS - 14325_341". navyadvancement.tpub.com. Retrieved 2020-08-25.
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