Pitch angle can refer to:Pitch angle (engineering), the angle between a bevel gears' element of a pitch cone and its axis Pitch angle, the angle between a charged particle's velocity vector and the local magnetic field Pitch angle (kinematics), the rotation about the transverse axis of a stiff body Pitch angle (aviation), an airplane's rotation about its transverse axis Pitch angle, a ship's rotation about its transverse axis Pitch angle of a spiral, the angle between a spiral and a circle with the same center