LAPL(A) · Theory lessons

Aircraft General Knowledge

Cell, piston engine, propeller, fuel system, electrics and flight instruments.

6:57 · German tone · German subtitles · 1280 × 720

LAPL(A) / CHECK

Comprehension

Does a switched-off electric main switch automatically make the propeller harmless on every piston aircraft?

Showing the solution

No. Certain magnetic ignition systems may be ignitable without an on-board battery. Keep the propeller area clear and follow the required ground and safety procedures of the sample.

The videos complement the theory lessons of your flight school. They cover basics; the full curriculum and type-specific procedures are developed in training.

Sources and classification

The videos complement the theory lessons of your flight school. They cover basics; the full curriculum and type-specific procedures are developed in training.

Sources and calculation examples in the respective course attendants · Status: 14.10.2026