"I intend to hold a hearing to investigate these crashes, determine the factors contributing to air crashes and make sure that the US aviation industry remains the safest in the world," said Cruz on Twitter.
Earlier, the European Aviation Safety Agency (EASA) temporarily banned flights of Boeing 737 MAX 8 and 737 MAX 9 aircraft to the European Union.
On the morning of March 10, a Boeing 737 MAX 8 plane of Ethiopian Airlines crashed. All 157 people aboard were killed.
On October 29, 2018, the liner of this model of the Indonesian airline Lion Air crashed.