Which is the largest hangar type found on board ships?

The largest hangar type found on board ships is the CVN hangar. These hangars are specifically designed for aircraft carriers, catering to the need for extensive space to service, maintain, and house a large number of aircraft. The design of CVN hangars allows for the simultaneous operation of multiple aircraft, accommodating both storage and maintenance functions.

Carrier hangars are significantly larger than other types of hangars on ships, such as Type 2 and Type 3 hangars, which have more limited capacities and are used for smaller ships or specific functions. While Type 3 hangars can also handle various aircraft, they do not match the expansive capabilities and dimensions of a CVN hangar. Thus, the distinct requirements of an aircraft carrier necessitate a specialized hangar that maximizes operational efficiency and aerial readiness, reinforcing why CVN hangars are recognized as the largest hangar type on board ships.