Chapter 18 Fire And Smoke Flashcards
What can cause fire and smoke?
- routine operations
- electrical issues
- dangerous goods
What must be done in the case of a carburettor fire when the engine hasn’t started?
- idle cut off
- fully open throttle
- continue cranking
What must be done in the case of a carburettor fire when the engine has started?
Keep engine running (if it persists then carry out engine fire drill)
What are the general actions for a piston engine fire?
- fuel off
- allow engine to run whilst starved of fuel
- ignition off
What are the two potential sources of a jet engine fire?
- outside of the main casing
- jet pipe fire
What are the actions to be taken with a jet engine bay fire?
- close the thrust levers
- engine start lever to cut off
- pull fire handle
- declare emergency
- if warning persists operate fire suppression system
What are the actions to be taken with a turboprop engine bay fire?
Same as jet but pull fire handle first
What is a halon fire extinguisher used for?
Cooling and smothering
What is a dry powder fire extinguisher used for?
Smothering
What is a foam fire extinguisher used for?
Smothering (not electrical)
What is a CO2 fire extinguisher used for?
Smothering
What are the three types of fire detectors?
- electro optical
- ionisation (used in toilets)
- heat
What must be done if smoke is detected on the flight deck?
- apply ppe
- follow checklists
- identify source and stop it
What must be done if the smoke is from an unidentifiable source?
Divert to nearest suitable airport at best speed
How can brakes be cooled?
Atomised water spray
