Peter - flown many times to le man in my fixed wing and I would suggest first call would be directly to them to check parking / fees / fuel, none of which I would expect to be a problem even in this period.
Secondly the cross channel aspect is no big deal but if your first time would be adviseable to have a thorough briefing from an knowledgeable person in terms of route across the channel, carry life jeackets, flight plan, frequency's etc.
What range do you have taking into account passengers etc ?