I heard/saw the flash of the explosion of a Merlin that spun uncontrollably into the ground (the Hooters private plane incidentally) back in 1991, killing NASCAR driver Alan Kulwicki. I remember distinctly; I was in first grade.
I've seen a few planes land gear-up; I almost had that happen to me the other day when I had a hydraulic leak in flight.
I saw a high-speed low formation pass by a Cessna 210 and a Baron 58 over my high school a year and a half ago by two idiots at an airport close to me. Seconds later, the Baron crashed into a tree (failure to LOOK STRAIGHT AHEAD), killing the sole occupant.
As for go-arounds, the most memorable was back in January during the famous Eddy Gual slide extravaganza at MIA
. It's probably one of the best-documented go-arounds on Airliners.net, although most of the other spotters there didn't see what exciting events transpired to necessitate the go-around. A Cessna 310 took off from 27R and immediately declared an emergency. All other spotters were watching the approaching Aero Continente 762, but my eyes were transfixed on the Twin Cessna...I didn't have a scanner with me but it just wasn't climbing. I nudged Jon Derden excitedly and told him to look around...so we watched this guy literally do a 180 and come back around for 9R
....with the 76 on approach to 27L! Of course, instantly the Aero Continente initiated the go-around as the Cessna plunked it on at what had to be the absolute edge of the runway. Everyone else was wondering what happened to cause the go around....except me and derden..lol. The emergency equipment, already rolling behind an AA
757 with hydraulic failure that had just executed an overweight landing, went from the 75 straight to the Cessna. Interesting day at MIA
Side note...my dad flew into ORD
the day after AA
191. He said the mood was...odd. I remember driving past the spot where those infamous pictures of the accident in progress were taken...very eerie.