Ahmad Al Harthy, Michael Caine and Oman Air Motorbase scored a fabulous victory at Snetterton on Sunday (16 June) in the fifth round of 2013 Avon Tyres British GT Championship.Despite carrying a massive 75kg penalty on their Porsche 911 GT3R due to the driver grading system, the Oman Air car swept to victory in the opening hour-long race. Added to an eighth place finish in the second of the weekends races, Al Harthy and Caine have climbed into the top four in the championship, within seven points of the series leaders with four rounds left to run.Although they originally finished second in the first of Sundays races, Al Harthy and Caine were later elevated into first place when the rival Porsche of Jon Minshaw and Phil Keen was handed a 30-second time penalty for overtaking under yellow flags.Its great for everyone at Oman Air Motorbase to have won for the first time in British GT, said an elated Al Harthy. It was a great race for us: we qualified well and to come through from eighth on the grid to second place was fantastic. To then take the win is the icing on the cake.Everyone back home in Oman, all my sponsors and supporters whove been with me each step of the way, they are the ones who deserve this win. The first few laps were very tough, I just had to stay out of trouble and keep pushing. The team did an amazing job in the pit-stop, Michael then did an incredible job in his stint as usual. Its great for everyone who has supported this programme.Team boss David Bartrum was equally delighted with the result. It was a very good weekend for us and the drivers did a brilliant job, said Bartrum. The car never missed a beat and in race two it survived two big hits from other cars. Im over the moon with the result as it has put us right up into contention in the points. Were the only team to have scored points in every round and that says a lot about the reliability and consistency of the whole team.There is now a break in the British GT schedule before round seven, at the teams home track of Brands Hatch on 10/11 August.