Historic Helicopters open day on August 5 CHARD-based charity Historic Helicopters is celebrating the restoration and return to flight of ex-RAF Sea King G-SEAK with an open day and flying display on Thursday, August 5. Historic Helicopters is home to the world’s only airworthy former RAF Westland Whirlwind HAR10, a Westland Wessex Mk 5, Sea King Mks 3 & 4 (all of which have been TV and film stars) and other aircraft, including a recently purchased Lynx Mk 7. The event will provide a safe, open-air day out for all the family. Visitors can see aircraft in action, view several aircraf...