Glad he's apparently (basically) alright. I fly small planes and they're incredibly awesome, and very liberating and fun, but... yeah, they have only one engine and if it quits you have a problem ("it's a fan to keep the pilot cool - turn it off and watch him sweat!"). Every pilot is constantly keeping an eye out for landing sites, and unlike non-pilots we love heights because it means gliding distance to make it to one. Takeoff is obviously the worst time to lose an engine, and in some ways the most likely - you're really demanding 100% of the performance of the engine, propeller, etc, at a low airspeed (=less cooling) and you're doing it for the first time since you got in the plane. You might think you can make it back to the airport - but that's such a bad idea it's called "the impossible turn" since you'll waste some of your precious lift making the turn. This is why we check our engines thoroughly - regularly with maintenance, and in particular with a "run-up" to high power immediately before takeoff to check the gauges and systems at that high throttle position. But stuff still goes wrong every once in a while, and then you have to do what you can. A bunch of pilot coworkers are in the area and one swung by to check it out. He said that the (wood) prop was intact, which suggests that it wasn't even turning ("windmilling") at impact time, and that he did a bang-up job landing that thing with no engine - golf courses aren't great compared to say an empty field, but if those are in short supply they do quite well. A golf course near my airport is my contingency plan as well - let's hope I never need it.
And lest anybody think otherwise, Harrison Ford is quite an experienced airplane and helicopter pilot, with thousands of hours. He even did his own flying in a movie where he played a pilot (apparently this gave the insurance company a heart attack and he had to fight them on it). So he probably handled it better than most pilots would.