The 26-year-long restoration of a rare World War 2 fighter-bomber by a group of Christchurch volunteers has received a huge boost. The Air Force Museum of New Zealand has allowed the restoration team access to the aircraft parts they have in storage. Dag Guest and his team of four volunteers have been painstakingly rebuilding a de Havilland Mk VI Mosquito at Ferrymead Heritage Park. It is one of only 30 remaining worldwide, four of which are still capable of flying. Progress on the twin-engine fighter-bomber’s restoration had been hampered by a global shortage of parts. Guest said getting access to the museum’s stored parts will "significantly" speed up the historic aircraft's restoration. “It’s an absolute game-changer for us. There are many parts that we were missing, which we can use or copy. Within a few seconds of being here I’d seen a flap shroud that will save 60 hours of work for me.…