Course Content
C9: Drone Mission Planning & Calibration

1. Safe Takeoff Procedures

Before takeoff:

  • Choose a clear, open area away from people, power lines, or trees.

  • Check the weather and wind speed — avoid flying during strong winds or rain.

  • Perform pre-flight checks:

    • Battery level

    • Propeller condition

    • GPS and compass calibration

    • Sensor status (no error alerts)

Once all checks are clear, take off slowly and steadily, maintaining a safe height of 2–3 meters before moving horizontally.

2. Mid-Flight Awareness

While flying:

  • Keep the drone within line of sight (VLOS) — always visible to the pilot or spotter.

  • Avoid restricted or crowded areas (roads, airports, or near people).

  • Watch the battery percentage and plan to land before it goes below 20%.

  • Monitor for warnings or unusual movement—a sign of wind or sensor error.

3. Safe Landing Procedures

Landing requires calm and control:

  • Return the drone to the designated landing zone early—don’t wait until the last second.

  • Reduce altitude slowly and land smoothly.

  • After landing, immediately switch off motors and disconnect the battery.

  • Record any unusual behavior or flight errors in the flight logbook.

4. Common Causes of Drone Crashes

Cause

Prevention

Weak GPS signal

Fly in open areas; wait for GPS lock before takeoff.

Low battery

Fully charge before flight; monitor mid-flight levels.

Propeller damage

Inspect before and after flight.

Poor calibration

Recalibrate compass and gyroscope before mission.

Environmental obstacles

Plan flight route carefully using maps.

Pilot distraction

Always focus; teamwork helps manage focus zones.

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