No, you cannot track a person’s live location through Find My Friends (now integrated into Apple's Find My app) if their device is in Airplane Mode. Activating Airplane Mode disables the device's cellular and Wi-Fi connections, which are necessary to transmit location data to Apple's servers. While the device’s internal GPS hardware may still function in the background for certain apps, it lacks a "pathway" to share that data with other users. Consequently, the app will typically show the person's "Last Known Location"—the point where they were right before they enabled Airplane Mode or lost signal. In 2026, some advanced satellite features allow for emergency SOS location sharing on newer iPhone models, but for standard day-to-day tracking between friends, a data connection remains a strict requirement for high-fidelity, real-time updates.