scope:

The rules in this chapter cover the engineering systems of the naval submarines. This includes propulsion, manoeuvring, pressure and piping system, internationally left bank, control of depth, buoyancy and rim, electrical generation and power supplies, battery system and charging, air independent power (AIP) supply, electrical distribution and equipment, lighting, electrical protection arrangement, machinery control, alerts and safety systems, software and system integrity, human element, hazardous areas, materials, HVAC, tanks, maintain crew health, and requirements for air independent power systems for underwater use.