scope:

Purpose. To provide the policy for weight and vertical center of gravity for acquisition margins and Service Life Allowances for U.S. Navy Surface Ships. To revise the current instruction and update the enclosures. The update includes the results of a later statistical analysis that includes additional ships, updates Service Life Allowance requirements for amphibious ships, and includes acquisition reform terminology. Parentheses and change symbols at the left or right indicate where text has been changed. Square bracketed text reflects acquisition reform terminology as defined in reference (a).

Applicability. This Instruction applies to NAVSEA managed ship projects undergoing design (including new and modified repeat designs), conversion or modernization or, on a case basis as designated by the Deputy Commander for Integrated Warfare Systems (SEA 05) where a major impact on mass properties of the ship is anticipated. It shall be effective for all of the above design projects that have not passed Milestone I by the issue date of this Instruction.