The T.10 and Mk.22 are absolutely the same aeroplane, with the latter civil certified with the reduced speeds and all those placards. Originally too the brake master cylinder was relocated behind the firewall, where it could drip on the radios and start a fire, but most Mk.21's and 22's here now have them back in the original position.
In Australia, CASA will accept the T.10 on the register, unlike in the UK. However when MMS was being restored it required an Approved Flight Manual and at the time there was no such thing as an AFM for the T.10, so it was registered as a Mk.22.
Leon - she looks great on the outside too!
