How a plane crossed the Pacific Ocean without using GPS or relying on satellite navigation
- An Embraer 170 completed a four-hour Seattle-Alaska round trip over the Pacific without using GPS, in a navigation test.
- The aircraft used quantum navigation, which reads tiny variations in Earth’s magnetic field to determine its position.
- The system combines magnetic-field data with gyroscopes and accelerometers, allowing planes to navigate without satellite positioning.
- The test found quantum navigation was 89% more accurate than traditional navigation aids used when GPS fails, TOI reported.
Source: timesofindia.indiatimes.com
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