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IMPROVED REARMING RATE PROGRAM - 14024_313
Permissible Stowage of Ammunition and Explosives - 14024_315

Aviation Ordinanceman 1 - Aviation theories and other practices
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modular stowage and the addition of larger weapons elevators to service these areas brought about the Improved Rearming Rate Program (IRRP). The IRRP allows major handling time improvements in two areas-rearming and weapons assembly. Stowing ammunition as received on pallets lets handling crews rearm the ship’s mission load in less time than the old system. In turn, handling time is minimized during weapons assembly. DESIGNATION OF MAGAZINES Magazines or ammunition spaces afloat are designated with particular reference to the purpose intended. Generally, magazines aboard ship are designated to hold a single type of ammunition. Single-Purpose Magazine Magazines are designated as single-purpose stowage magazines whenever practical. The following are single-purpose magazine designations: powder and rocket motor magazine; hyperbolic rocket engine magazine; fixed ammunition magazine; small arms magazine; missile magazine; warhead locker or magazine; aircraft bomb magazine; projectile and rocket head magazine; fuze magazine; detonator locker; pyrotechnic magazine or locker; ready-service ammunition room, box, rack, or locker; and chemical magazine. Multipurpose Magazine While stowage of a single type of ammunition in an individual magazine is desirable, it isn’t always possible. NAVSEASYSCOM authorizes certain mixed stowages in magazines that retain a single-purpose designation. Where stowage space is limited and the mission requires carrying various types of ammunition, stowage of more than one type of ammunition in a magazine is an acceptable hazard. Authorization for this type of stowage is at the discretion of the operational commander. AMMUNITION STOWAGE REQUIREMENTS Generally, there are magazines for each type of ammunition stowed aboard ship. Ammunition, explosives, and explosive components are stowed in specifically designated stowage spaces. Ammunition stowage spaces aboard ships are limited, and in certain classes of ships, extremely limited. Therefore, ammunition stowed aboard ship should stay within authorized ammunition allowances. Its important for shipboard ammunition to be stowed so maximum effectiveness is achieved. For these reasons, strict compliance with ammunition stowage by compatibility groupings aboard ship, while desirable and observed when practical, may not be feasible. When mixed stowage is used, make sure that it conforms to the stowage tables listed in Ammunition Afloat, NAVSEA OP 4. Table 11-1 is an example of the permissible mixed stowage of ammunition types in shipboard magazines. The different types of ammunition are listed in the first column of table 11-1. The types of magazines are listed across the top of the table. The type of ammunition is stowed only in those magazines indicated by a black box intersecting the horizontal line for the ammunition item and the vertical line for the type of magazine. Q1. Q2. Q3. Q4. Q5. Q6. Q7. Q8. REVIEW NUMBER 1 What command develops and approves specifications for construction of Navy ships? A ship’s primary magazines are usually located . What type of magazines are located close to the area to be served? What is the purpose of modular stowage? List the two areas that the IRRP created improved handling. Squadron personnel use a hoist for preloaded IMERS and ITERS. Generally, magazines aboard ship are designated to hold . Authority for stowing mixed types of ammunition in a magazine rest with                    . ENVIRONMENTAL CONTROL SYSTEMS Magazines are fitted with environmental control and safety features to protect ammunition from excessive temperatures and humidity. Most magazines have either mechanical cooling or ventilation systems. However, there are a few magazines that don’t have either of these features. If a magazine without controls shows a heat gain in excess of 100°F, use portable ventilation systems to prevent overheating or condensation of moisture. 11-10







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