MIL-DTL-24784/5C(NAVY)
3.8.1.7 Symbol identification. If identified, symbols for primary actions shall be sequentially identified for
each type of action by means of numerically increasing Arabic numerals placed in the center of the symbols. Where
symbols representing secondary actions are employed and identified, they shall be sequentially identified for each
type of action alphabetically by means of small English letters placed in the center of the symbols (see figure 2).
3.8.2 Informative chapters. The first page of each chapter shall provide a list of sections and the primary
articles therein listed with titles and page numbers.
3.8.2.1 Chapter 1 (general information). If the OSB covers several major systems, this chapter shall include
general information on the overall operational concepts of the ship, to include:
a.
Missions and tasks (if this can be published as unclassified information).
b.
General characteristics which were developed by design work study techniques in the design layout of the
ship and which are not covered in subsequent chapters, such as the relationship of areas to each other.
c.
Operational concepts of the ship indicating the major functions to be performed and the interrelationship of
the areas to be covered in subsequent chapters.
3.8.2.2 Other chapters. Each chapter following Chapter 1 shall describe a specific physical area (space or
station) on the ship. Modularized (functional) areas within a space shall be presented in sections of the chapter. For
those spaces which are not described by use of functional areas, all information shall be described in the chapter
without section numbering. The requirements of 3.8.2.2.2.1 shall be presented in the general articles and the
requirements of 3.8.2.2.2.2 shall be presented in the other articles of this unsectionalized chapter.
3.8.2.2.1 Section I (general information). Section I shall be the general section and shall provide general
information on its subject space. The articles contained in this chapter shall be numbered: -101 through -199
(dashes denote the number of the appropriate chapter). As a minimum, the general section shall include:
a.
General functions within the overall space.
b.
Operation and supervision of the space, describing any variations for special evolutions or conditions,
including emergencies and casualties.
c.
Team training required for the personnel manning of the space, in general terms unless specific
requirements are furnished by the Government (in all cases specific course numbers shall be avoided).
d.
List of functional areas within the space (indicating the section of the chapter for the area described).
e.
Operational aids required in the area (for example, publication records, reports, and portable equipment).
f.
Diagram of the space showing areas (labeling functional areas by name and referencing the applicable OSB
section number) (see figure 3).
g.
Where applicable, a matrix indicating which areas are manned under each operational condition or
evolution.
h.
Key plan of the space showing its location within the ship (see figure 4).
3.8.2.2.2 Other sections (describing modular areas).
3.8.2.2.2.1 General articles. General articles shall provide general information on the modular (functional) area
described by the parent section. General articles shall be numbered: --01 through --09 (dashes denote the number of
the appropriate chapter and section). As a minimum the general articles shall describe the following:
a.
General functions within the area.
b.
Operation and supervision of the area, describing any variations for special evolutions or conditions,
including emergencies and casualties.
c.
Team training required for personnel manning the module, in general terms unless specific requirements
are furnished by the Government.
d.
List of operational positions within the area (indicating the article in which the operational position is
described).
e.
Operational aids required in the area (for example, publication records, reports, and portable equipment).
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