Well done Jeremy!
Your photo shows ONTA at Sywell in July 1989 and was taken by Nostalgia thread supporter Bill Teasdale. Dennisimo must by now be in Albacete - I think he previously put out an enquiry regarding the current whereabouts of these ships.
NZ Nostalgia
Hughes 500C ZK-HJH of Whirlwide Helicopters flown by Eddie McGregor supporting construction work in Caroline Bay, Timaru, New Zealand in 1979