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The trials team after one of the test flights for the FAGI project in front of the ATTAS (Advanced Technologies Testing Aircraft System), one of the DLR research aircraft. Interdisciplinary collaboration between the DLR Institutes of Flight Guidance and Communication and Navigation has verified that aircraft can be navigated accurately and reliably in this way. Air traffic controllers cannot direct aircraft to make these environment-friendly landing approaches unless they are equipped with 4D-capable (three spatial dimensions plus time) equipment and ultra-precise modern satellite navigation systems that are now available.
Credit: DLR.
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