MIL-DTL-24784-3 Combat System Technical Operations Manual \(Cstom\) Requirements \(See Notice 2 For Replacement Information\)This specification sets forth the Naval Sea Systems Command requirements for the content, general style, and format of Combat System Technical Operations Manuals \(CSTOM\) \(see 6.2\) required for maintaining own-ship combat system \(see 6.3.3\) readiness. CSTOM provides operational forces and school commands with combat system level information concerning design, detailed inter-subsystem interface data, testing, maintenance, and capabilities in fleet user-oriented language and format. The CSTOM documents functional integration of all combat subsystems \(see 6.3.2\) in performance of the major combat system operational functions of detection and entry, tracking and identification, threat evaluation and threat-to-weapon pairing, and engagement and engagement assessment.

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MIL-DTL-24784/3B (SH)

k. Ship parameters.

When detailed procedures are required, reference shall be made to appropriate documentation

included in the bibliography.

3.9.3.5 Test fault directories. This section shall provide test fault directories similar to figure

3-33. The test fault directories shall list each interface function by equipment and shall identify

the test that verifies the function. There shall be a test fault directory for each subsystem of the

combat system except the support subsystem. The purpose and content of test fault directories,

and the limitations of the test fault directories caused by lack of correlation between PMS tests

and referenced subsystem and equipment documentation, shall be addressed.

3.9.3.6 Inter-subsystem interface data. This list shall include all analog and digital functions that

interface between the combat system subsystems. A narrative description of each function shall

be provided. The description shall specify the origin of the function, its flow path, and its

termination. Each digital function shall be keyed by an interface reference number, to a digital

inter-subsystem interface diagram. Each analog function shall be keyed by an interface reference

number, to an analog inter-subsystem interface block diagram.

a. Inter-subsystem interface function list.- This list shall include all analog and digital functions

that interface between the combat system subsystems. A narrative description of each

function shall be provided. The description shall specify the origin of the function, its flow

path, and its termination. Each digital function shall be keyed by an interface reference

number, to a digital inter-subsystem interface diagram. Each analog function shall be keyed

by an interface reference number, to an analog inter-subsystem interface block diagram.

b. Digital inter-subsystem interface diagram.- One or more digital inter-subsystem interface

diagrams, and associated digital interface cable lists, shall be provided. A digital interface

cable list, similar to figure 3-34, shall immediately precede a digital inter-subsystem interface

diagram, similar to figure 3-35. Each interface on the digital inter-subsystem interface

diagram shall refer to a digital interface cable list that identifies each interface cable, its

associated connectors, the equipment it interconnects and a reference for defining the digital

data.

c. Analog inter-subsystem interface diagram.- One or more analog inter-subsystem interface

diagrams, and associated interconnection tabulation sheets shall be provided. The

interconnection tabulation sheets, similar to figure 3-36, shall immediately precede an

associated analog inter-subsystem interface diagram similar to figure 3-37.

3.9.3.7 Combat system alignment. This section shall provide methods, tools, and support

information necessary to determine when alignment is required. Combat system alignment

structure, the dependent nature of various alignments in the structure, and alignment verification

shall be defined and discussed. Information shall comprehensively reference subsystem and

equipment documentation, as required to identify all relative alignment tolerances and procedures.

3.9.3.8 Bibliography. This section shall provide a list of documents used in preparing this

chapter.