The aircraft's transponder signal ceased for reasons that could not be established and was then no longer visible on the ATC
radar display. These changes, evidently seen as turning slightly to the right first and then to the left and flying across the Peninsular Malaysia, followed by a right turn south of Penang Island to the north-west and a subsequent (unrecorded) turn towards the Southern Indian Ocean, are difficult to attribute to anomalous system issues alone.
'The Radar Controller was not aware when MH370 radar position symbol dropped off from the
radar display,'' the report added.
In reality, any two pilots looking at the same Nexrad
radar display might see a slightly different picture of what the weather actually is.
Cambridge Pixel, a supplier of
radar display, tracking and recording sub-systems, has introduced a 1U 19" rack-mount dual channel radar signal converter, the company said.
Stories were told with extreme enthusiasm about looking at the
radar display of the parent supercell from the early MIT radar.
This includes cloud tops, cloud-to-cloud/ cloud-to-ground lightning data and storm tracks with greater coverage (it will work on the ground) and tighter
radar display resolution outside of the 250 nautical mile range.
The incident on April 25 was caused by the controller not scanning his
radar display before clearing the second pilot to climb.
The information received is then illustrated on a
radar display screen to indicate the target and its distance from the radar system.
When you look at a weather
radar display, you'll see different colors--blue, green, yellow, red, etc.
British media reported that there had been a "
radar display issue".
"This activity also caused the temporary disappearance of several targets on the
radar display, while in the meantime the planes were in radio contact with air traffic controllers and continued in their flight normally," it stressed.