During an en-route inspection, which of the following should you check?
a.Only fuel level
b.Tires, brakes, lights, cargo securement, and coupling devices
c.Only the mirrors
d.Only the engine oil
Explanation
During en-route inspections you should check tires, brakes, lights, cargo securement, coupling devices, and any other safety-critical components. You should perform these checks within the first 50 miles and periodically thereafter.