expel 14 slugs in a 360-degree pattern and spread the main canopy. Should the spreading gun cartridge fail to fire, continued tension on the firing lanyard removes a piston-retain- ing band. This frees the slugs from the spreading-gun housing to allow conventional canopy inflation. During main canopy deployment, tension is exerted on the pilot chute and main canopy by the WORD bridle. Also, during this time, the override and disconnect will secure the WORD bridle to the parachute. If there is no tension on the WORD bridle and the chute has over 10 pounds of drag, the override and disconnect will function to jettison the drogue chute, drogue bridle, WORD motor, and WORD bridle. Seat/Man and Survival Kit Release Sequencing Subsystem The seat/man and survival kit release sequencing subsystem has four functions. These functions are described in the following paragraphs. AUTOMATIC RELEASE.— As the person- nel parachute inflates during the ejection sequence, the parachute risers pull on the seat/man release lanyards. The lanyards rotate the seat pan release rod and fire the seat/man separation initiator. Gas pressure from the initiator then actuates the inertia reel strap guillotine. Gas is also transmitted to the WORD motor and drogue release assembly and parachute container opener, but these devices will have previously operated. Rotation of the seat release shaft releases the seat pan with the attached survival kit. MANUAL OVERRIDE RELEASE.— The pilot can override any of the post-ejection sequences by actuating the emergency release control. When it is actuated, a mechanical linkage fires the seat and man separation initiator. This directs ballistic gas to the inertia reel strap guillotine, which severs the two straps. With the straps severed, the pilot’s upper torso restraint is released. Ballistic gas also shuttles the WORD motor, drogue release assembly, and the parachute container opener assembly. The personnel parachute assembly is then deployed by the drogue or the WORD motor, 6-60 depending upon the airspeed at the time of manual override initiation. GROUND EMERGENCY EGRESS.— When the emergency release control is pulled, it rotates the seat release shaft and releases the seat pan with attached survival gear from the seat. The control also operates the linkage that fires the seat and man separation initiator. Initiator gases actuate the inertia reel strap guillotine, which severs the straps that are sewn to the personnel parachute risers. The pilot can then remove the shoulder harness, stand, and exit from the aircraft without parachute hang-up. As the pilot stands, the seat pan moves unrestrained and personnel service leads pull free from their connections. Also, activation of the seat/man separation initiator ballistically releases the WORD and drogue release and parachute container opener. ROUTINE MAINTENANCE.— With the safe and arm control in the UP position and maintenance safety streamer safety pins installed, you must pull the emergency release control to remove the survival kit from the seat for replace- ment or maintenance. Survival Kit The survival kit (fig. 6-43) is a post-ejec- tion life support unit that also serves as a structural portion of the ejection seat. There are three distinct components in the kit: the seat pan, survival package, and emergency oxygen supply. The seat pan, constructed of a honeycomb core with aluminum alloy face sheets, performs a dual function. First, it provides a base for attaching post-ejection life support equipment. Secondly, as the pilots seat in the aircraft, it provides a structurally secure attachment for the pilot’s lower torso restraint belts. The survival package is attached to the seat pan through a lanyard system. This allows the package to fall free of the seat pan and still remain near the pilot. Upon manual release, the survival package falls approximately 12 feet. It is then snubbbed by a lanyard, which inflates the life raft. The package then falls 13 feet below the raft. This stabilizes the raft during parachute descent. The survival package contains a life raft,