8411.91 vs 8411.99
QUESTION: My understanding is that there are 3 types of gas turbine engines, Turbojet, turbopropeller, and turbofan. 8411.91 is for parts of turbojets or turbopropellers. This subheading does not specifically list parts of turbofans, so does that mean parts of turbofan engines fall under 8411.99? I did not see any notes in chapter 84 that explain this. […]