# Accuracy landing

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Accuracy landing

Accuracy landing is one of the oldest skydiving disciplines, in which skydivers attempt to land as closely as possible to a pre-determined target. [citebook|title=The Parachute Manual: A Technical Treatise on Aerodynamic Decelerators |author= Dan Poynter|year=1984|publisher=Para Publishing|id=ISBN 0915516357|pages=240|url=http://books.google.com/books?id=BKTuTXrXQu0C&pg=PA240&ots=nZuiCs6Q0o&dq=%22Accuracy+landing%22&as_brr=3&ie=ISO-8859-1&output=html&sig=0g9CmhQo1kTcxkznTwY0KhKoShM]

Competitive accuracy landing

Competitive accuracy landing is a team event with 5 persons on each team that takes place over 8 rounds. The team jumps together, generally from an altitude of 900 meters (2700 feet), although sometimes as high as 1100 meters (3300 feet). The score is measured in meters from "dead center". The best score for each round is 0,00 meters (meaning you hit dead center) and the worst score for a round is 0,16 meter (16 centimeters or 6 inches). Scores for each round are added together, and the scores count both as individual scores and as part of the team score. In some competitions only the four best scores count in the team competition.

The target

The target, known as "dead center" is a circle with a diameter of 2 centimeters (a little less than an inch). The disk measures the distance from the edge of the dead center circle to the point you touch the disk, in increments of 1 centimeter (0,01 meters). The accompanying picture shows the electronic disk with the yellow dead center.

Note on dead center size:The 2 cm dead center has been in use from 2007. Previously the dead center was 3 cm and before that 5 cm. The reason for reducing the size of the dead center is to have more separation between the top competitors. If two or more competitors have the same score they do re-jumps until a winner is found. Smaller dead center makes it more difficult and less likely to many with the same score.

Technique

Because jumpers usually land on their feet, most try to touch the dead center mark with the heel of their shoe. After the first 8 rounds are completed, the team competition ends and winners are declared. Based on the individual results, the best half of the skydivers do one individual semifinal jump where the score is added to the individual score. Based on this score the best half of the remaining skydivers make it to the last and final round. If the 3 first places are shared between skydivers with the same score, there are re-jumps to "sudden death". This means that different scores separate the skydiver for each of the first 3 places. In some competitions the organizers choose to use the skydiver with the most dead centers as the better skydiver.The picture at right shows the final second before landing. The heel is poised over the dead center ensuring this will be the first place the skydiver touches the ground.

References

*http://www.fai.org/parachuting/documents/.

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