Airborne meteorological instruments, such as forward scattering spectrometer probes (FSSPs), explicitly rely on optical scattering principles (like Mie scattering) to characterize cloud particles, water droplets, and precipitation.
The retrieved literature includes multiple airborne studies documenting the use of Forward Scattering Spectrometer Probes (FSSPs) and optical probes that use light scattering to measure water droplets, cloud particles, and precipitation microphysics. The papers directly support the claim that aircraft meteorological instruments utilize optical scattering for droplet and precipitation characterization.