However, Senna was still on a 'hot' lap had the opportunity to progress to the next session.
As the session ended, most of the cars were still on 'hot' laps so a frantic finish to the session was a high probability.
The top 15 places on the grid for Race 1 are determined by the lap times from the hot laps.
The first hot laps were run on Monday May 6.
This also meant that he could not complete a good hot lap and left him near the back of the grid.
This is called a flying lap or a hot lap.
A driver may run several hot laps in a row.
The fastest of these hot laps is used in setting the grid position.
If there is still time left, they may put on fresh tyres and try to set a faster hot lap.
He completed about 10-12 hot laps, with a top speed of 213.118 mph.