The data blocks on some planes began to disappear, as well as the flight tracks of some of the planes, including Delta Flight 66, controllers said.
12.
On six occasions the " Question Mark " was forced away from its flight track to refuel, once over Oceanside and five times over El Centro.
13.
It also admitted the ski life was within the the plane's flight path, a 10-nautical-mile-wide corridor, but " not on the centerline of flight track ."
14.
:: : : Perhaps some of the people involved with mosquito flight track analysis and the Track3D system at Wageningen University and Research Centre might by useful contacts.
15.
In addition to these organized events it is also possible to participate in various online contests that require participants to upload flight track data to dedicated websites like OLC.
16.
Since retiring from top-flight track and field, Coe has been a member of parliament and most recently has been private secretary and adviser to British opposition leader William Hague.
17.
It also said the ski lift was within the plane's flight path, a corridor 10 nautical miles wide, but " not on the centerline of the flight track ."
18.
FLARM obtains its position and altitude readings from an internal GPS and a barometric sensor and then broadcasts this together with forecast data about the future 3D flight track.
19.
Seeking to smooth over the contradiction, U . S . military authorities in Aviano said the pilot was " within the nautical mile-wide corridor, but not on the centerline of the flight track ."
20.
Wide-area imaging was provided by two of Itek's Operational Objective Cameras ( OOCs ), which provided stereo imagery across the width of the flight track, or an Itek Optical Bar Camera ( OBC ), which gave continuous horizon-to horizon coverage.
