I also remember a few who were rescued and didn't really warrant a helicopter.
E.G. The Army Lieutenant who had a "broken back" after falling down a bank whilst on a jungle patrol. We launched in appalling weather at midnight, dodging thunderstorms and landing at an unrecce'd, unlit site; a jungle clearing. We nearly bust our backsides getting in there. The soldier with the "broken back" walked to the aircraft; we were obviously expecting a stretcher case...
Another: Launched in the small hours to another unlit site for a "Category A" casevac. Allegedly a very severe hand injury with severe loss of blood. It turned out to be a cut thumb; certainly not life threatening as we were led to believe. If the casualty had been a bit more careful (i.e. had a few less beers) when picking up his broken beer glass we wouldn't have had to put the aircraft and three crew at risk.