Subheadings 4
8807.10 Aircraft and spacecraft; propellers and rotors and parts thereof 8807.20 Aircraft and spacecraft; under-carriages and parts thereof 8807.30 Aircraft and spacecraft; parts of aeroplanes, helicopters or unmanned aircraft n.e.c. in heading no. 8807 8807.90 Aircraft and spacecraft; parts thereof n.e.c. in chapter 88