Partial coverage garment - two pressure flying suit with diaphragmatic bladder, used with high pressure mask equivalent to A-13 with Hardman kit. Anti-G suit at 3.2 times breathing pressure, get-me-down protection to 20 km. Mask automatically tightened by gas filled expansion pad in back of helmet.

• Sears, William J, A Historical Review of Partial and Full Pressure Suits, . Accessed at: http://webpages.charter.net/mcelwain/PSUITS-Chronology.htm.