Hardware
Know Your Aircraft Inside and Out
A professional drone pilot knows their equipment the way a pilot knows their aircraft. You should understand every component, its function, its failure modes, and how it interacts with the rest of the system.
- Flight controller: the brain — processes sensor data and pilot inputs to maintain stability.
- ESC (Electronic Speed Controller): translates flight controller commands into motor RPM.
- IMU (Inertial Measurement Unit): accelerometers and gyroscopes that sense attitude and movement.
- GPS/GLONASS module: positioning — requires clear sky view. Degraded near buildings and under tree canopy.
- Barometer: altitude reference. Sensitive to pressure changes and wind gusts at the sensor port.
- Obstacle avoidance sensors: infrared, ultrasonic, or visual. Each has range limits and blind spots.
Failure awareness
Know what happens when each component fails. GPS loss = ATTI mode. IMU failure = uncontrollable. ESC failure = motor stops. You cannot respond to what you do not understand.