Is this Glasgow helicopter crash pilot demonstrating at RAF airshow? David Traill, 51, was piloting a police helicopter when it crashed on Friday He was an 'extremely experienced pilot' who won medals for bravery The war hero served in Afghanistan and Iraq with the RAF The flight lieutenant went on to be an RAF Chinook instructor and may have taught Prince William to fly five years ago He was one of nine people known to have died in Friday's helicopter crash By Ryan Kisiel and Suzannah Hills Dramatic footage of an RAF air display is believed to show the pilot killed in the Glasgow helicopter tragedy demonstrating his aviation prowess behind the controls of an army Chinook. Former flight lieutenant David Traill, 51, was piloting a police helicopter when it crashed into the Clutha Vaults pub in Glasgow on Friday night, killing all on board and several people inside. It has since emerged that Mr Traill was an experienced Chinook pilot who served in Afghanistan and Iraq before leaving the RAF to become a civilian pilot. Display: Footage has emerged which is believed to be of flight lieutenant David Traill, 51, piloting a Chinook helicopter at an RAF airshow in Shoreham in 2007 Flight lieutenant David Traill was part of the display team which performed at Shoreham airshow in 2007, pictured Interview: Flight lieutenant Traill, 51, pictured on ITV News talking about flying Chinook aircrafts in 2007 ahead of a display at RAF Odiham It is believed this dramatic footage uploaded on YouTube of the RAF Shoreham airshow in 2007 shows Mr Traill performing an impressive Chinook display, The Sun reports. The massive twin propeller Chinook can be seen performing a string of tactical maneuvres in the air in front of an awe-struck crowd. Flight Lieutenant Traill was captain of the RAF Chinook display team in 2007 and took part in airshows all over the country. Mr Traill was an incredibly experience pilot who won medals for his bravey - even going on to teach new recruits how to fly. It is even believed Mr Traill may have been one of Prince William's flight instructors at the Hampshire base where the Duke of Cambridge learned how to fly five years ago. Display: This image shows a manoeuvre being performed by the RAF Chinook display team at an airshow in 2007. Flight Lieutenant Traill was captain of the team that year and was very likely on board this Chinook The RAF Chinook display team demonstrates the daring maneuvres performed by their pilots in action It is not yet clear exactly what caused the police helicopter to drop 'like a stone' from the air on Friday night. The wreckage is being removed so that it can undergo a detailed examination by the Air Accidents Investigation Branch. His family has paid tribute to the 'real-life hero' who loved to fly.