Final answer:
When receiving a clearance in the air, specific parts should be read back to ensure accurate communication with air traffic control.
Step-by-step explanation:
When a clearance is received in the air, there are specific parts that should be read back to ensure accurate communication between the pilot and air traffic control.
The crucial elements that should be read back include:
- Heading or route instructions: This includes the specific direction or path the aircraft should follow.
- Altitude or vertical speed instructions: This refers to the assigned altitude or the rate at which the aircraft should climb or descend.
- Hold short instructions: If the clearance includes crossing a certain point while on the ground, this instruction should be read back.