factor

This increases the pucker factor a tad...http://theaviationist.com/2015/01/19/a-10-strela-iraq/

Here's a cool video of a landing in a remote area of Idaho's back country. Apparently, the strip is called "Simond's" and it's situated in a gorge at 5,243 feet and is approximately 900' long...with a pretty fair incline. Definitely holds a good "pucker factor" for those who might not be used...