Hello, ADY!
The angle of a vector is always measured from the positive axis.
(Counterclockwise: positive angle. .Clockwise: negative angle.)
The plane's direction is N54°W
Code:

* 
* 
*54°
* 
     *     

Measured from the positive xaxis, the angle is 144°. Code:
*
*
* 144°
*
     *     

The wind's direction is from S28°W. Code:


     +     
/
/ 
/ 
/28°
/ 

Measured from the positive xaxis, the angle is 62°.
Code:
 /
28°/
 /
 /
/ 62°
     +     
/
/ 
/ 
/28°
/ 
