Droplet size shown on computer from icing detection probe

SFD (Subsonic Flight Demonstrator) of SLD (Super Large Drop) testing in IRT (Icing Research Tunnel). Drop size shown on computer from detection probe during test. Cloud drops imaged by probe displayed on computer screen

Photographer NASA/GRC/Quentin Schwinn

Location NASA Glenn Research Center

Date June 9, 2026

NASA GRC Quentin Schwinn GRC Glenn Research Center Quentin Schwinn FY-2225 SFD Droplet test with probe Drop Sizing Probe 1D2D-X SFD Subsonic Flight Demonstrator SLD Supercooled Large Drop James Frantz Lyle Lilie

FY26-2225-SFD Droplet Testing in IRT