What is the first action when an engine fire warning activates in flight?

Shut down the affected engine and activate the fire extinguisher

Correct

Descend immediately

Increase power to blow out the fire

Reduce speed to below Vmo

Explanation

The standard procedure is to shut down the affected engine (close fuel valve, cut off) and discharge the fire extinguisher bottle.

Test yourself with random questions from Operational Procedures and all other ATPL subjects.