Adrian Sutil had a crash in the new Sauber today after getting caught out by tires that had lost temperature.
The German damaged the front end of the car in the course of his first run with the Swiss machine.
Fernando Alonso had his first run in the Ferrari F14 T during the third day of testing at Jerez, and the Spaniard pronounced himself happy with progress so far.
He focused on aero mapping in the morning, before turning his attention to setup in the afternoon. He completed 58 laps, recording a time that was 2.2s off the best time of Kevin Magnussen.
Kevin Magnussen made a great start to his official F1 career by topping the times for McLaren in Jerez
Once again it was a day of mixed fortunes for the teams, with Red Bull enduring another disaster while others successfully logged a lot of laps. Daniel Ricciardo completed only three laps in the RB10, without actually recording a time, before his team gave up for the day.
Red Bull endured another disastrous day in Jerez as Daniel Ricciardo ran only three laps, and he failed to record a time before the team confirmed that it would not run again today.
On his first outing this morning he stopped on track with smoke rising from the rear of the car. The team is continuing to work with Renault to address packaging issues.