🧲 Under the Defense Innovation Unit's MagNav program, an Embraer 170 flew for 4 hours and 23 minutes over the Pacific without GPS, using quantum sensors to read Earth's magnetic field and improve position accuracy by 89% compared to conventional backup navigation.
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Interesting Engineering
US military nails GPS-free navigation in 4-hour ocean test flight
Quantum sensors helped an aircraft navigate over the Pacific without GPS, improving position accuracy by 89%.
1September 6, 2026 939 3
