?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=http%3A%2F%2Fmiis.maths.ox.ac.uk%2Fmiis%2F706%2F&rft.title=Flight+Efficiency+in+European+Airspace&rft.creator=Sargent%2C+Cristina&rft.creator=Cawthorn%2C+Chris&rft.creator=Cupples%2C+G.&rft.creator=Devane%2C+E.&rft.creator=Devine%2C+M.&rft.creator=Holloway%2C+C.&rft.creator=Klaise%2C+J.&rft.creator=Mathews%2C+J.&rft.creator=Nazar%2C+F.&rft.creator=Olszowiec%2C+C.&rft.creator=Poon%2C+C.&rft.creator=Peng%2C+G.&rft.creator=Van+lent%2C+J.&rft.creator=Walsh%2C+E.&rft.subject=Aerospace+and+defence&rft.description=The+problem+posed+by+Winsland+Consulting+was+concerned+with+finding+an+efficient+correlation+between+a+4D+flight+path+(the+civilian+require-+ment)+and+a+4D+volume+of+restricted+airspace+(due+to+weather+or+mili-+tary+use).+It+further+asked+how+this+could+be+used+to+explore+the+best+shape+of+airspace+reservations+in+respect+of%3A+sensitivity+to+civil+demand+(daily+and+seasonal)%3B+best+configuration+(shape+and+time)%3B+and+the+best+times+to+release+military+sectors+to+civil+traffic+(network+and+local+level).+The+ESGI+mathematicians+developed+a+number+of+approaches+that+gave+confidence+that+an+airspace+optimisation+tool+is+feasible.&rft.date=2015-03&rft.type=Study+Group+Report&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.language=en&rft.identifier=http%3A%2F%2Fmiis.maths.ox.ac.uk%2Fmiis%2F706%2F1%2FWinsland.pdf&rft.identifier=++Sargent%2C+Cristina+and+Cawthorn%2C+Chris+and+Cupples%2C+G.+and+Devane%2C+E.+and+Devine%2C+M.+and+Holloway%2C+C.+and+Klaise%2C+J.+and+Mathews%2C+J.+and+Nazar%2C+F.+and+Olszowiec%2C+C.+and+Poon%2C+C.+and+Peng%2C+G.+and+Van+lent%2C+J.+and+Walsh%2C+E.++(2015)+Flight+Efficiency+in+European+Airspace.++%5BStudy+Group+Report%5D+++++