L'n'S - as an ex-Air Cadet who started his flying on Chippies, I've always been tempted by the concept of buying one! There was a Chippie owned by a friend's dad, based at Strathaven for sale a couple of years ago at £25k. A little digging and I found that the engine was past its sell by date - estimates were between £9k and £18k for a Gypsy rebuild!
Anyway, this was flying in RAF trainer colours as WG422 - I now find that it's down at Eaglesham as G-BFAX.
In terms of Scottish-based flying DHC1s, there's:
G-AORW (out of Strathaven - civvy colours)
G-ARGG (out of Ayr, flying in silver training colours as WD305)
G-BDRJ (out of Ayr, flying in red training colours as WP857)
G-BXDA (out of Glasgow, flying in red training colours as WP860)
Knowing the heater system on Chippies, I doubt there'd be many English or Irish-based Chippies at Perth at this time of year!