Aviation Standard Test Battery-E (ASTB E) Practice Test

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What is a chain locker used for?

Storing parachutes
Storing engine fuel
Compartment for stowing anchor chain
Holding navigation equipment

The correct answer is: Compartment for stowing anchor chain

A chain locker is specifically designed as a compartment for stowing anchor chain. Its primary function is to securely hold the anchor chain when it's not in use, preventing it from moving around the deck, which could lead to safety hazards or damage to the vessel. This compartment is usually located near the bow of the ship where the anchor is deployed. The other options, while they pertain to various aspects of maritime operations, do not accurately reflect the function of a chain locker. Storing parachutes, engine fuel, or navigation equipment involves different storage areas and compartments designed to meet the specific safety and operational needs of those items. Therefore, the designation of the chain locker for anchor chain storage is both practical and essential for maritime safety and efficiency.