This SAE Aerospace Standard (AS) defines the requirements for brake systems used on military aircraft equipped with wheel-type landing gears. Product Classification Brake systems shall be either mechanical@ hydraulic@ pneumatic@ electric or a combination of each. Braking force control shall be applied to the brake assembly either through a manually operated system or a power operated system (see 2.2). Classifications of brake system types used in previous military specifications no longer apply but are listed in this document for reference purposes.