The paraglider was taking part in an event at the Fenland Wind and Airsports Centre.
BBC: Cambridgeshire paraglider hits overhead electric cables
Fenland council members had approved plans for a Sainsbury's rejecting an application from Tesco.
It was created as a result of drainage of fenland in the 17th Century.
All 14 members of Fenland District Council's planning committee were ordered to stand down over the row.
Wisbech 2020 Vision is a joint county council and Fenland District Council project, backed by North East Cambridgeshire MP Stephen Barclay.
They said they were concerned about its effect on the fenland landscape, increased traffic and the loss of prime agricultural land.
Fenland District Council had backed both schemes in August but reviewed the decision after legal advice suggested the decision could be "unsound".
In August 2012, Fenland Council backed the Sainsbury's scheme and rejected the Tesco plans, but then in September backed the Tesco scheme as well.
Fenland District Council has declined to comment on its latest decision.
Fenland must also reconstitute a planning committee to consider the issues.
The meeting was chaired by the Cambs Times editor John Elworthy who said leading council members attended and were expected to brief Fenland leader Alan Melton.
Meanwhile, Fenland District Council said it would not be emptying dustbins in a number of streets near the crime scene until police had completed door-to-door enquiries in the area.
The pilot did not refer to any problems while flying the Robinson R22 in good weather on a route from Manston Airport in Kent to Fenland Airfield, near Spalding in Lincolnshire.
Mr and Mrs Davis are suing local landowners - RC Tinsley Ltd and Nicholas Watts - on whose land some of the turbines are sited, as well as Fenland Windfarms Ltd and Fenland Green Power Cooperative Ltd, who own and operate them.
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