What is the most satisfactory extinguishing agent for a carburetor or intake fire?

The most satisfactory extinguishing agent for a carburetor or intake fire is carbon dioxide. This is primarily due to its ability to displace oxygen, which is essential for combustion, effectively smothering the fire. Carbon dioxide is non-conductive, so it will not cause electrical damage or further complications in areas sensitive to moisture. Moreover, it has a low temperature, allowing it to cool the surrounding area without the risk of introducing water, which could lead to further issues such as engine damage or complications with fuel lines.

Using carbon dioxide in these scenarios helps ensure that the fire is suppressed quickly, allowing for a safe return to operation or an effective evacuation of the aircraft if necessary. Its effectiveness in confined spaces, like those found in a carburetor or intake system, makes it a preferred choice for efficiently tackling such fires.