Fig. 3

The DataHawk2 and HELiX UAS, as seen on the ice during MOSAiC. Primary measurement and aircraft systems are labeled in red text for both platforms. The HELiX photo (bottom) also shows the sled and box used to transport HELiX from Polarstern to the ice (photos: Gina Jozef and Radiance Calmer). Informed consent to publish individual likeness was obtained.