Commercial Pilot License (CPL) Practice Exam 2025 - Free Commercial Pilot License Practice Questions and Study Guide

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What is the essential first step during a cabin fire procedure in flight?

Use the fire extinguisher immediately

Close air/heat vents

The essential first step during a cabin fire procedure in flight is to close air/heat vents. This action is crucial because it helps to contain the fire and prevent the influx of additional oxygen, which could exacerbate the flames. Ventilating air that includes a fire source can significantly worsen the situation, making it imperative to limit airflow into the cabin.

By shutting the air and heat vents, the pilot can create a less favorable environment for the fire to spread. This initial action is critical before any further steps are taken, such as using a fire extinguisher or notifying air traffic control. Proper decision-making in the early stages of a cabin fire can be pivotal in managing the emergency effectively.

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Notify air traffic control

Reduce altitude quickly

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