QUI Views 4 meanings found QUI surfaces in varied domains, serving as a quasi‑uniform index in technical literature, a shorthand safety query about navigation lights, a tongue‑in‑cheek community label, and the code for Quito’s spaceflight tracking station. Miscellaneous Quasi Uniform Index Community Queen Of Useless Instruments Governmental Quito, Ecuador, Spaceflight Tracking Data Network station Academic & Science Are your navigation lights working?