Don't think so. The keyword is 'could' in the below:
Today, Malaysia's civil aviation chief Azharuddin Abdul Rahman said that the plane may have been grounded when its final satellite signals were sent.
He said the satellite "pings" that were last read at 8.11am on Saturday, six hours after the military radar last detected the airliner over the Malacca Strait, could have been transmitted from the ground if the plane had indeed landed, The Guardian reports.
"The plane can still transmit pings from the ground as long as there is electrical power," he said.