Schedule 1 CONSTRUCTION REQUIREMENTS FOR SUBMERSIBLE CRAFT AND SUPPORTING EQUIPMENT Changes not yet applied. Later legislation changes this provision in ways not yet written into the text below: sch. 1 amended by Merchant Shipping (Submersible Craft) 1987 The construction requirements referred to in regulation 3(2)(a) are as follows:— 1Hull 2Power 3Control 4Buoyancy and Stability 5Life Support 6Communications 7Navigation and Position Indication 8Supporting Equipment—Launch and Recovery System 9Lock-Out Arrangements ← Signature Schedule 1 Paragraph 1 →