🔍 Key Concepts

• Sheath-screw boom davits – how they move the boat from stowed to outboard position • Proper sequence of actions when preparing to launch a lifeboat from deck cradles • Purpose and handling of gripes, cradles, and tricing pendants during launching

💭 Think About

• Think through what must be free for the boat to lift clear of the cradle, and what must stay secured until the boat is controlled by the falls and davits • Ask yourself at what moment it is safest to move the davits outboard: when the boat is resting in the cradle, or when it is slightly lifted on the falls? Why? • Consider whether tricing pendants are typically used with boats stowed on deck cradles with sheath-screw boom davits, or with boats stowed at a different level.

✅ Before You Answer

• Identify the correct order of releasing gripes (inboard vs outboard) to maintain control of the boat • Confirm whether tricing pendants are actually part of this type of davit/arrangement or more common with other davit systems (e.g., gravity davits) • Verify which step is done before cranking out the davits: fully releasing the cradle, slightly hoisting the boat, or relying on automatic tricing pendants.