There has long been an argument among pilots over Cessna high-wing aircraft versus Piper low-wing aircraft. One of the most important rules of piloting aircraft is the "see and be seen" rule where each pilot in command is required to see and avoid other aircraft. To the novice pilot or uninitiated this may seem like a very simple rule to follow; however, trying to gauge another aircraft's speed, altitude and direction are not as simple as one might expect.
12,000 Feet Above WisconsinAn article in the NY Daily News had this photograph and here is an excerpt from that article:
Helmet cam footage: Wisconsin skydivers survive fiery midair collision Horrifying video from the Wisconsin parachuters' helmet cameras — to be used on NBC's 'Today' and 'Dateline' as well as 'Nightly News' — shows viewers exactly what happened when two Cessnas smashed in midair with nine skydivers and two pilots aboard.Read more: New York Daily News. On November 4, 2013 two skydiving aircraft, both Cessnas, collided with a total of 9 skydivers and 2 pilots on board. As you watch the video that follows you can see that one aircraft descends into the other aircraft destroying the lower aircraft in a ball of flames while the aircraft on top - although damaged - manages to land safely. All 11 on board the two aircraft survive!