| Yankee: |
Stands for the letter Y in the phonetic alphabet. |
| Yaw: |
the swivelling movement of an aircraft to right or left which can be controlled by the rudder on the tailplane fin. |
| Yellow: |
Is the color formed by mixing red and green light. Yellow is complimentary to blue, and is one of the three colors used in subtractive color synthesis. |
| Yoke: |
The control wheel in the cockpit of an aircraft that controls pitch and roll. |
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