In managing smoke, what ventilation action should be taken when not extinguished?

In managing smoke, what ventilation action should be taken when not extinguished?

• A. Open vents to maximize airflow
• B. Keep vents as they are
• C. Close vents to prevent smoke from entering cabin
• D. Seal all vents permanently

Answer: (C)

Controlling smoke comes down to restricting its flow between areas. By closing vents, you cut off the main path for smoke to travel from the fire area into the cabin, which helps keep the occupied space clearer and gives the crew a safer, more manageable environment to work in. Opening vents would push more smoke toward passengers and crew, and leaving things as they are lets smoke continue to spread. Sealing all vents permanently isn’t practical or safe in flight because it would disrupt normal ventilation and safety systems. So the best action is to close vents to prevent smoke from entering the cabin.

Controlling smoke comes down to restricting its flow between areas. By closing vents, you cut off the main path for smoke to travel from the fire area into the cabin, which helps keep the occupied space clearer and gives the crew a safer, more manageable environment to work in. Opening vents would push more smoke toward passengers and crew, and leaving things as they are lets smoke continue to spread. Sealing all vents permanently isn’t practical or safe in flight because it would disrupt normal ventilation and safety systems. So the best action is to close vents to prevent smoke from entering the cabin.