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OPNAVI 4790.4 Revision E, October 31, 2007
Complete Document
Active, Most Current
Includes all amendments and changes through Change 1, January 7, 2008
Published By:US Navy (NAVY)
Page Count:7
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The ship's 3-M System applies to all ships, service craft, small boats, and non-aviation Fleet test and support equipment, with the exceptions as noted in paragraph 4.c.

Common support equipment used by both ship's force and naval aviation units shall have Planned Maintenance System (PMS) support provided under reference (b). Scheduling of this maintenance by naval aviation units may be done under the Naval Aviation Maintenance Program to avoid duplicative and redundant schedules.

The ship's 3-M System does not apply to nuclear propulsion plants and associated test equipment under the cognizance of Commander, Naval Sea Systems Command (COMNAVSEASYCOM) (SEA 08), fleet ballistic missile systems, or aeronautical support equipment covered in the Naval Aviation Maintenance Program. Also excluded are civilian operated and maintain ships, small boats, and service craft, unless specifically included as a requirement in a Base Operating Contract (BOC) or other similar document.

All reference (a) activities providing maintenance to ships and other applicable activities shall report their efforts to the Maintenance Data System (MDS) as described in reference (a) and (c).

Shore activities level of participation in the Ship' 3-M System shall be at the request of the shore activity's senior command and will be provided on a cost reimbursable basis. Equipment used ashore which is identical to shipboard installed equipment with Ship's 3-M support will be maintenance using existing 3-M coverage.


To establish policy and assign responsibilities for the Ship's 3-M System in accordance with reference (a) and (b).