No rule for this one
No ending or word group predicts the article of Pilot. Learn it as a pair and say it out loud: der Pilot.
der Pilot
It's der Pilot. Pilot is masculine, plural die Piloten.
Der Pilot spricht Deutsch.
The pilot speaks German.
No ending or word group predicts the article of Pilot. Learn it as a pair and say it out loud: der Pilot.