What is the standard release hook used by the Navy on boat davits?

The standard release hook used by the Navy on boat davits is the Raymond hook. This design is favored for its reliability and safety in various maritime operations. The Raymond hook is specifically engineered to provide a secure attachment on the boat, which is crucial during launching and retrieving operations. Its design allows for quick release under various conditions while ensuring that the boat remains stable and secure while being lowered or raised.

The choice of the Raymond hook is based on rigorous testing and evaluation that confirms its performance in both routine and emergency situations, making it the preferred option for the Navy's boat handling needs. The other options listed do not represent recognized designs used in Navy operations, underscoring why the Raymond hook is the correct answer.