MM3686, Lesson 2
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Lesson 2
STOWAGE INSPECTION
TASK
This lesson is based on the following task from STP 9-55X34-SM-TG: 093-404-3126, Inspect
Munitions Stowed on Vessels.
OBJECTIVES
When you have completed this lesson, you should be able to identify the proper stowage
configuration for ammunition loaded aboard a vessel. You should also be able to identify the
different classes of ammunition that can and cannot be stored together on a vessel by using
compatibility charts and the classification, handling, and stowage chart.
CONDITIONS
You will have this subcourse book and will work without supervision.
STANDARD
You must score at least 75 on the end-of-subcourse examination that covers this lesson and
Lesson 1 (answer 12 of the 15 questions correctly).
An ammunition inspector assigned to a surveillance section at a port facility must ensure that ammunition is
properly stowed on a vessel. To do this, the inspector must be able to use the compatibility and classification,
handling, and stowage charts for the ammunition and explosives loaded aboard a vessel. This lesson covers using
inspection charts to inspect munitions stowage.
INSPECTION CHARTS
Compatibility Charts
The compatibility charts in Figures 2-1, 2-2, and 2-3 should be used when ammunition and explosives are
stowed aboard vessels. Chart A (Figures 2-1 and 2-2) is used when various classes of military explosives are
being loaded. Chart B (Figure 2-3) is used when fuel and oxidizers found in Classes XI-C and XI-D are being
loaded.
In the charts, shaded circles mean that the items cannot be stored together. A shaded circle at the intersection
of the horizontal and vertical columns in Chart A indicates what particular class of ammunition can not be stowed
in the same hold. In Chart B the two shaded circles indicate what cannot be stowed together.
The letters on Chart A provide further information on the stowage of that particular class of ammunition.
This information is used for inspecting mixed ammunition and explosives stowed aboard a vessel.
Classification, Handling, and Stowage Chart
Ammunition and explosives have specific reactions when they are involved in a fire. Crews of vessels loaded
with ammunition or explosives must understand that ammunition reacts as outlined in the Classification,
Handling, and Stowage Chart. (Extracts of the chart are given in Figure 2-4.)
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