Less than a minute after the collision occurred, the Teterboro controller contacted the Newark tower to inquire about the airplane, and was told that the airplane had not contacted Newark.
Air traffic controllers contacted the pilot of flight 4U826 to Milan's Malpensa airport, after German police received a bomb threat.
According to the draft, Vietnamese air traffic controllers contacted their counterparts in Kuala Lumpur at 01 38 to say MH370 was missing, 17 minutes after it disappeared off radar.
Atomic force microscopy (AFM, PicoSPM I plus 2100 PicoScan Controller, in contact mode) was used for the surface topography analysis, in contact mode.
If for some reason a controller lost contact during a mission or a drone were destroyed, the remaining drones could reorganize, fill the void and continue — and ultimately complete — the mission.
Atomic force microscopy (AFM) measurements were performed on a Bruker Dimension 3100 AFM employing a Nanoscope IV controller in contact mode on the dry sample surface using a Bruker SNL10 probe (nominal spring constant 0.06 N/m, nominal tip radius 2 nm).
The additional compute time is primarily due to network latency required for CytoSolve's Controller to contact and receive information back from each model running on different Remote Servers.
Ground controllers lost contact just before it separated from the upper rocket stage.
The aircraft, which appeared to be returning to the airport, was near the town of Sparta when controllers lost contact.
Ground controllers lost contact with the spacecraft, Comet Nucleus Tour, or Contour, after it was supposed to ignite its solid-propellant rocket motor at 4 49 a.m.
Air traffic controllers lost contact with the Swiftair-owned MD-83 about 50 minutes after takeoff at 1.17am local time (0117GMT), said an Algerian aviation official.
