Tradewinds Flight Centre @ Charlottetown Airport

I flew in to PEI for four nights. As advertised, parking was free, with cables to tie down. The school is open 8-8, but they can provide a code to give you after-hours airside access. Fuel was not self-serve, and the instructors are often up flying with students, so fill up when you land if there's someone there -- it's not really an FBO (though the staff are friendly), but just a flying school that sells gas and gives away free parking. There was no multiweight oil available (just mineral oil -- apparently, that's all the school uses in its planes).

For Americans, note that this is a Mandatory Frequency (MF) airport, something that doesn't exist in the US. There's an FSS rather than a tower on the field, but you're still required to talk to it (though it doesn't issue clearances like a tower would).

177 BRACKLEY PT RD, Charlottetown, Prince Edward Island C1A 6Y9‎ - (902) 892-7983‎

Information by phone, 2010-07-28: Parking is free. AvGas is available from 8 am to 5 pm local time (otherwise, there's a callout charge): there's a chance that everyone will be up flying with students, so it might be necessary to wait for service. Park at the tie-down cable, using the painted lines to find the spots.