Class 4 (4th Engineer) SSEP 📅 Jan 2026

Exam Question

With reference to lifeboats, describe:

(a) A handbrake used for lowering and state how it is tested; (8)

(b) The centrifugal brake and the method of testing. (8)

Reference Answer

### (a) Lifeboat Winch Handbrake: Description and Testing
**1. Description and Principle of Operation**
The handbrake, also known as a manual brake, is the primary means of controlling the lowering speed of a lifeboat. It is a 'dead man's brake' by design, meaning it is normally in the 'ON' or engaged position. Positive action from an operator is required to release the brake and allow the boat to descend.
* **Purpose:** To provide the operator with direct control over the lowering operation, allowing for variable speed control, and the ability to stop and hold the lifeboat at any point during its descent.

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