Which type of ladder is specifically required on an aerial apparatus for roof access?

The type of ladder specifically required on an aerial apparatus for roof access is a roof ladder. A roof ladder is designed with hooks that allow it to secure to the peak of a roof, providing stability for firefighters when they are working at heights. This secure attachment is critical for safety, as it prevents the ladder from slipping off while personnel are accessing or working on the roof.

Roof ladders also typically feature a wider rung spacing than other types of ladders, improving the ease of climbing. Additionally, they are made to handle the unique demands of firefighting operations, including potential exposure to heat and flames. The design and features of a roof ladder align with the requirements of accessing roofs safely during rescue operations or fire suppression.