When track officials examined the wreckage of Senna's racing car, they found a furled Austrian flag.

Watkins had concerns about Senna's mental state following two crashes earlier in the weekend that had injured Senna's countryman and protege Rubens Barrichello and killed Austrian Roland Ratzenberger, suggesting to him that the two leave the track, go fishing, and forget about the race.

The only other driver to complete full race distance was Senna's Austrian team mate Gerhard Berger.

He took a six second victory over Italian driver Alessandro Nannini driving a Benetton B190 who was just two second in front of Senna's Austrian team mate Gerhard Berger.

With Senna's Austrian team mate Gerhard Berger third, the podium was identical to that at the previous round.

After the race, a poignant detail was revealed when an Austrian flag was found in Senna's car ; he had planned to dedicate the win to Ratzenberger had he won the race.

For the following race, the Spanish Grand Prix, Williams ' test driver David Coulthard was promoted to the race team alongside Hill, who won the race just four weeks after Senna's death.

Rounding out the points were Ferrari's Michele Alboreto, whose three points were not enough to keep his championship lead, Senna's Lotus team mate Elio de Angelis was fifth with Nigel Mansell sixth in his Williams FW10.

Following Mansell's Friday crash, the three remaining Honda powered cars of Piquet, Senna, and Senna's team mate, local favourite Satoru Nakajima, could only qualify in 5th, 7th and 11th places respectively.

This race would become one of the most notorious in F1 history, as the culmination of Alain Prost and Ayrton Senna's tumultuous two year rivalry as team mates at McLaren.

The race was won by Ayrton Senna, with Nigel Mansell in second position, and Gerhard Berger's third place finish plus Senna's victory meant that the McLaren team clinched the Constructor's championship.

After Prost was disqualified for an underweight McLaren, victory fell to Senna's Lotus team mate Elio de Angelis in what would prove to be his second and last Grand Prix win.

Renault's withdrawal, and Ayrton Senna's refusal to let Warwick join him as team mate at Lotus, left Warwick without a team for the 1986 season.

It was also reported by Toleman that Senna's suspension was on the point of collapse after an earlier incident, with the team believing that the damage was sufficient to cause his retirement within 2-3 laps of when the shag was shown.

However, Williams were unable to take a third consecutive drivers ' title, and with possible manslaughter charges for Senna's accident in prospect, cracks began to show in Newey's relationship with Williams team management.

Also, on several occasions third drivers have acted as reserves, racing if one of the team's two race drivers is injured or otherwise unable to race, as in Bruno Senna's case in the Renault F1 team in the 2011 season.

Senna's team mate Gerhard Berger narrowly won his second Australian Grand Prix, finishing only 0. 741 in front of Michael Schumacher's Benetton-Ford.

At Suzuka the situation was reversed, Senna's pole time was 1. 8 seconds slower than Gerhard Berger's 1987 time.

Gerhard Berger, Senna's McLaren teammate, finished in third position.

Three times world champion Ayrton Senna's first F1 win in 1985, Nigel Mansell's notorious black flag incident and subsequent collision with Senna in 1989, Jacques Villeneuve's overtaking Michael Schumacher around the outside of the final turn in 1996, and Riccardo Patrese's being launched airborne in a near-backward flip after colliding with Gerhard Berger on the main straight in 1992.

At the Brazilian Grand Prix, Berger tangled with Senna at the very first corner as the Brazilian found himself in a Williams and Ferrari sandwich with Patrese to Senna's left with the three drivers dicing for the lead.

Berger opened the door of the helicopter and threw the briefcase out, to Senna's disbelief.

In an Australian hotel room Berger filled Senna's bed with animals.

A further incident followed in which Berger replaced Senna's passport photo with what Ron Dennis described as " an equivalent-sized piece of male genitalia ".

On 25 April 2004 ; 10 years after Senna's death, Berger drove the JPS Lotus Renault 97T which Ayrton used in the 1985 championship for 3 laps, at Imola before the start of the 2004 San Marino Grand Prix.

By lap 30 he had reduced Senna's lead to only 2 seconds but as he went by the pits at the end of lap 30 the misfire got worse and by lap 35 had been passed by Berger and Alboreto and was heading for the pits and his first mechanical retirement of the season.

In the late stages Senna started to slow, which allowed the Alesi / Berger battle to close up on him, but Senna's McLaren would survive to the finish for his third career win at Monaco.

Berger put in a series of fastest laps to cut Senna's lead to just 1. 7s at the line.

Senna's stop was quick and he took the lead ahead of Berger, Mansell, Prost, Schumacher and Patrese.

The race started with a bang, as Senna's hopes at a home grand prix victory were dashed as he squeezed Berger a little too much.

' Magic ' ( Senna's nickname during the wet ) shone that day to give him another win despite engine troubles that also befell Prost with Mansell in third saying that problems like that he could certainly use-he finished less than two seconds behind Senna.

In Senna's car, Johansson qualified 17th fastest and finished in 4th place.

During his tenure as technical director Tyrrell's results improved noticeably, culminating in the season opener in Phoenix, where Jean Alesi was able to challenge Ayrton Senna's McLaren for victory and finished second in a Tyrrell 018.

It was Senna's third win at the Monaco Grand Prix.

It was Senna's third win for the season having won the season-opening United States Grand Prix and the Monaco Grand Prix just two weeks earlier.

It was Senna's fourth victory in the Belgian Grand Prix, and his third in succession.

Schumacher then stopped for a third set of tyres dropping him further behind the two Williams cars while still half a minute clear of Blundell in fourth position, who preserved a slight gap to Senna's McLaren in fifth.

This was Senna's sixth win of the season, and third on the trot, with Prost on just four wins.

At Spa-Francorchamps he scored his first podium with a third place behind Ayrton Senna's and Alain Prost's McLarens and at Suzuka he made a piece of history by being the driver of the only naturally aspirated car to lead a Grand Prix in a season of turbo dominance.

Within moments of each other on Lap 22, Senna's right rear wheel came of in 5th gear on the main straight and he spun into the tire barrier in Turn one while under pressure from Keke Rosberg, and Cheever retired from third place with a cracked inter-cooler.

The car's strong chassis rigidity and cornering / handling capabilities were the results of Ayrton Senna's direct input with NSX's chief engineers while testing the NSX prototype car at Honda's Suzuka Circuit during its final development stages.

The pole position was taken once again by Nigel Mansell in his Williams FW11B, while the second row was occupied by Ayrton Senna's Lotus 99T and Nelson Piquet's Williams FW11B.

Alessandro Nannini's Benetton-Ford was the fastest ' atmo ' car, some 3. 3 seconds slower than Senna's pole time, while the Tyrrells of Jonathan Palmer and Julian Bailey, the turbo Osella of Nicola Larini and the Minardi of Adrián Campos failed to qualify.

Michael Schumacher took his only win of the season, while second place was enough for Alain Prost to clinch the championship, after Ayrton Senna's engine failed.

Before the Dutch Grand Prix, Senna signed a contract with Lotus while still legally bound to Toleman ( Senna's contract with Toleman gave them the option for his services for both and ).