Yes, the pelvis is part of the appendicular skeleton.

The spinal column is part of the axial skeleton. (The appendicular skeleton is made up of the bones of the appendages. These would include all of the arm and hand bones, and leg and foot bones.)

They are both. upper part, such as collar bone is in appendicular skeleton, and lower part, such as fibula is in appendicular system.

Appendicular

The appendicular skeleton is composed of 126 bones of the limbs and the pectoral.