Great stuff, brings back such memories. In your low pass photo the nearer of the two white buildings was the Target Towing Flight and the other was ARSF, where I worked as a very young JT air radar fitter.
When the confrontation with Indonesia started, the Telok Paku road in the picture was fenced off which stopped a very handy short cut through the trees to Changi village.
At one point I was transferred to 205's Sonar Buoy section. One of the perks was to take a van to the navy base to collect buoys that ships on exercise had recovered. We would call in at a tea garden on the way for a Tiger or two and arrive back at Changi in time to go home; another day in paradise!