
DEPARTMENT OF THE NAVY
OFFICE OF THE CHIEF OF NAVAL OPERATIONS
2000 NAVY PENTAGON
WASHINGTON, DC 20350-2000
OPNAVINST 9200.3B
N96
29 Jul 2014
OPNAV INSTRUCTION 9200.3B
From: Chief of Naval Operations
Subj: OPERATING SEQUENCING SYSTEMS
1. Purpose
a. To mandate and reaffirm operational sequencing system as
the primary shipboard combat system and engineering system
readiness tools. Operational sequencing systems provide ship-
specific sets of procedures, diagrams, and status boards
tailored for ship configuration and watch stations to support
initialization and casualty and emergency control of systems and
equipment.
b. To mandate use of installed documentation and define
responsibility for documentation, review, distribution,
training, installation, utilization, monitoring, and updating.
c. This instruction is being reissued with a new date,
updated version and signature authority to meet Chief of Naval
Operations’ (CNO) age requirement for the Office of the Chief of
Naval Operations (OPNAV) instructions.
2. Cancellation. OPNAVINST 9200.3A.
3. Scope and Applicability
a. Combat systems operational sequencing system (CSOSS) is
required for surface ships with significant combat systems,
communications, or other complex electronics-based capabilities,
including all surface combatants, aircraft carriers, littoral
combat ships, amphibious assault ships, dock landing ships,
amphibious transport dock ships, and mine countermeasure ships.
Combat systems “A” and “C” schools shall integrate CSOSS into
classroom instruction and laboratory exercises.
b. Engineering operational sequencing systems (EOSS)
include: