Hi Courtney - yes, you have it. If I recall correctly from 36 years ago:
Approach at 420-450 KIAS (depending on whether there were any grown-ups in the tower) / 500 ft with power to idle as you cross the hedge (to make a nice blue note!). Then airbrake out and 23º flap on the break (actually, I preferred 38º flap as you slowed down quicker - remember that flap was originally used as the only airbrake in the Hunter), rolling and pitching as required to fit into the normal downwind spacing. Then at gear limiting speed, power up, airbrake in, PAUSE until the airbrake MI showed in, then gear down. Checks, then full flap starting the final turn and power to hold about VAT+10. Roll out at 300ft, let it come back to threshold speed, tweak on the control column and pop the drag bag as you touch.