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• Airspace Designations: Airspace Designations refer to the division of the airspace into different classes and categories based on the level of restrictions and regulations applied to the airspace. The purpose of airspace designations is to ensure the safe and eff ... Read More >>
• Keel-haul: Keel-haul is a form of punishment or execution once meted out to sailors at sea. The sailor was tied to a rope that looped beneath the vessel, thrown overboard on one side of the ship, and dragged under the ship's keel, either from one side ... Read More >>
• Mast Support: Mast support refers to any structure or device that is used to hold or reinforce a ship's mast. The mast support can be a simple wooden or metal structure that is attached to the deck of the ship, or it can be a more complex system of wires ... Read More >>