Birgit Lauda, center, widow of the former formular Formula One driver Niki Lauda, attends a funeral service for Lauda in Vienna, Austria, Wednesday, May 29, 2019. Three-time Formula One world champion Niki Lauda, who won two of his titles after a horrific crash that left him with serious burns and went on to become a prominent figure in the aviation industry, has died on May 21, 2109. He was 70. (AP Photo/Ronald Zak)

Birgit Lauda, 2nd right, widow of the formular Formula One driver Niki Lauda, attends a funeral service for Lauda in Vienna, Austria, Wednesday, May 29, 2019. Three-time Formula One world champion Niki Lauda, who won two of his titles after a horrific crash that left him with serious burns and went on to become a prominent figure in the aviation industry, has died on May 21, 2109. He was 70. (AP Photo/Ronald Zak)

The helmet of former formular Formula One driver Niki Lauda, is placed on top of his coffin during a funeral service in Vienna, Austria, Wednesday, May 29, 2019. Three-time Formula One world champion Niki Lauda, who won two of his titles after a horrific crash that left him with serious burns and went on to become a prominent figure in the aviation industry, has died on May 21, 2109. He was 70. (AP Photo/Ronald Zak)

Birgit Lauda, center, widow of the former formular Formula One driver Niki Lauda, attends a funeral service for Lauda in Vienna, Austria, Wednesday, May 29, 2019. Three-time Formula One world champion Niki Lauda, who won two of his titles after a horrific crash that left him with serious burns and went on to become a prominent figure in the aviation industry, has died on May 21, 2109. He was 70. (AP Photo/Ronald Zak)