Who can perform inspections and air brake tests on freight cars?

The correct answer indicates that a Qualified Person or Qualified Mechanical Inspector is responsible for performing inspections and air brake tests on freight cars. This requirement ensures that the individuals conducting these critical safety checks possess the necessary training and knowledge to properly assess the functionality of the air brake systems. These inspections are vital for maintaining the safety of rail operations, as air brakes are crucial for controlling train movement and stopping capabilities.

A Qualified Person typically refers to someone who has received specific training and certification relevant to the task, ensuring that they understand both the operational and safety standards involved. A Qualified Mechanical Inspector is a specialized role, further ensuring that the inspections meet industry and regulatory standards.

This answer emphasizes the importance of having qualified personnel to carry out these inspections and tests, thus safeguarding both the equipment and the individuals working on or around the freight cars.