PioContainer loads are loads that are rigged for airdrop and are packed with supplies, disassembled equipment, or small items of ready-to-use equipment. The number and types of parachutes required to stabilize the load and slow its descent depend on the type of container used, the weight of the load, and the typeof airdrop.The A-21 cargo bag assembly is an adjustable container. It consists of a sling assembly with scuff pad, fixed quick-release strap and assembly, two O-ring straps, three quick release straps, and a 97 x 115 inch (246 x 292 cm) canvas cover. This load can exit the aircraft from the paratroop door or ramp.The A-22 cargo bag is an adjustable cotton duck cloth/nylon and nylon webbing container. It consists of a sling assembly, a cover and four suspension webs. The container weighs about 45 lbs (20 kg). A-22 containers are dropped from the cargo ramp in a single or double stick. The A-23 sling assembly is similar to the A-22 sling assembly, but it has additional support webs on all four sides with an additional D-ring on each side. specsclick to enlarge images AERIAL DELIVERY CONTAINERS A-21, A-22, A-23