Final answer:
After takeoff, leaving the pattern at a 45 degree angle and passing over the airport to join the course are common procedures in aviation.
Step-by-step explanation:
After takeoff, leaving the pattern at a 45 degree angle is a recommended procedure in aviation. This allows the aircraft to quickly gain altitude and distance away from the airport while also providing a clear path for other incoming and outgoing aircraft.
Passing over the airport to join the course can be done to ensure proper alignment with the desired flight path. After takeoff, leaving the pattern at a 45 degree angle and passing over the airport to join the course are common procedures in aviation.