EASA PPL subject 021 — engines, instruments & systems
Aircraft General Knowledge (021) covers everything about the aircraft itself: from the workings of the piston engine to gyroscopic instruments, from fuel management to the electrical system. A solid understanding of this subject makes you a better and safer pilot.
Topics covered
Connect theory to the preflight check: understand why you check each item.
Draw the engine cycle step by step: visualising helps memorisation.
Focus on failures: the exam asks a lot about what can go wrong and how you respond.
Use the POH (Pilot's Operating Handbook) of a Cessna 172 as a study guide.
These coaches and tutors specialise in this subject.
Flight Instructor FI(A) with an MSc in Aerospace. Active instructor and the go-to person for everything related to aircraft systems, aerodynamics and weather.
These coaches support your broader PPL journey and study planning.
Book a free intro call with one of our specialists for subject 021.