rollaround X-axis rotation
pictharound Y-axis rotation
yawaround Z-axis rotation
- ccw turn left. cw turn right
- ccw rotation value > 0. cw < 0.
- x > 0 forward
the principal axes of an aircraft
The principal axes of an aircraft according to the air norm DIN 9300.
Notice that fixed and mobile frames must be coincident with angles zero.
Therefore, this norm would force also a compatible axes convention in the