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P-3 AIRCRAFT
Figure 15-24.Primary pylon assembly

Aviation Ordinanceman - Aviation theories and other practices
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Armament Subsystems The following text provides general information on the aircraft armament subsystems and components. WEAPON SYSTEM.—The weapon system consists of the equipment and accessories necessary for loading,   carrying,   and   releasing   of   kill   and   search stores.   There  are  two  subsystems,  the  armament  (kill store)   subsystem   and   the   ordnance   (search   store) subsystem.    The  armament  system  refers  to  carriage and  delivery  of  weapons  or  stores  from  the  wing  and bomb  bay  stations. The  ordnance  system  refers  to equipment  used  for  carriage  and  delivery  of  search stores.    A  maximum  of  8  bomb  bay  stations  and  10 wing  stations  are  available  for  carriage  of  weapons. There  are  48  unpressurized  sonobuoy  launch  tubes (SLT),  3  pressurized  SLT,  and  1  free-fall  chute  used with the search store system (fig. 15-22). BOMB  BAY  SYSTEM.—The  bomb  bay  has  a maximum of eight stations available at one time.   The eight  basic  stations  are  arranged  in  two  layers;  odd numbered    stations    in    the    upper    layer    and    even numbered stations in the lower layer. This configuration  limits  the  release  of  weapons  from  the upper  layer  until  the  interfering  weapon  on  the  lower level  has  been  released.    Bomb  racks  are  attached  to removable  pylons  with  two  types  of  pylons  (primary pylon  and  1,000-  to  2,000-pound  class  store  pylon). Bomb  rack  installations  are  assigned  a  number  or  a number followed by a letter (fig. 15-23). BOMB   BAY   CONFIGURATION.—There   are four primary pylon assemblies (fig. 15-24) provided for carrying  a  maximum  of  eight  bomb  bay  stores.    The pylon   consists   of   two   BRU-12/A   bomb   racks   (fig. 15-25)  mounted  between  two  pylon  ends.    There  are three 1,000- or 2,000-pound class store pylon assemblies    (fig.    15-26)    provided    for    carrying    a maximum  of  three  1,000-  or  one  2,000-pound  class weapon.   The pylon assembly consists of a BRU-14/A bomb rack with mounting adapters on station 4C.  The Aero  1A  adapters  provide  the  BRU-14/A  bomb  rack with 30-inch suspension and load capabilities.  Figures 15-27  through  15-32  show  the  various  wing  stations and bomb bay equipment configurations. For  more  information  on  the  P-3  aircraft,  refer  to Airborne Weapons/Stores Loading Manual,  NAVAIR 01-75PA-75. 15-23 Figure 15-23.—Bomb bay weapons stations.







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