What are the Extinguishing media used on wheel well fire on aircraft?

Answer 1

A wheel well fire is unique because it can be four of the five fire classes:

the tires are Class A--flammable solids
the fluids are Class B--flammable liquids
you've probably got electrical actuators in there, so you've also got a Class C--electrical--fire on your hands.
and the plane has some aluminum, magnesium and maybe titanium components; heat them up enough and you're looking at a Class D--flammable metals--fire.


What it WON'T be is a Class K--kitchen flammables--fire.


In the air you'll just use your Class ABC built-in suppression system. If you land the thing on fire, they'll use Aqueous Film Forming Foam.

Answer 2

Extinguishing media commonly used for wheel well fires on aircraft include dry chemical agents, clean agents like Halon or Halotron, and water-based foam. The choice of extinguishing media depends on factors such as the type of fire and aircraft regulations.