There was a Heron owned by Fox's but I think it had left by the 1970's.
Leicestershire Aero Club History
By 1966 Frank Lazenby was the Chairman when the next big crisis came and the Club nearly disappeared for good. Things seemed to be going well, Fox's Glacier Mints company had been keeping a four engined Heron aircraft in the hangar for business flights, and had only recently given up the plane when their Irish factory had closed. In September 1966 the Landlord ..........