The incident of the loss of female winged pilots in the Tianmen Mountain Scenic Area in Zhangjiajie has aroused the attention of all parties, and has also brought the extreme sport of “winged flying” into the eyes of the general public.

  At present, the search and rescue work is still going on. It is worth mentioning that the Tianmen Mountain in Zhangjiajie, where the incident occurred, has always been a challenging field for wing-mounted flight. Only two professional athletes, Sheng Guangqiang and Zhang Shupeng, have completed flights here. The surging reporter immediately contacted Sheng Guangqiang, and asked the professional to give an interpretation and judgment on the unexpected situation.

Cloudy and foggy terrain where the incident occurred

  "Zhangjiajie Tianmen Mountain Scenic Area is a very good competition venue. There have been many large-scale wing-mounted competitions here. There are cliffs with an altitude of more than 1000 meters, and vertical cliffs have 200 to 300 meters. If the vertical distance does not meet this requirement, you cannot fly, and the unpowered wing-mounted flight always glides down. "

  Sheng Guangqiang completed two flights at Tianmen Mountain in Zhangjiajie in 2015. In his view, the geomorphic environment has created good competition conditions for winged flight, attracting many competitions and professional athletes to come here. Of course, flying as winged flight The resort does not mean that it is not difficult.

  On the contrary, Sheng Guangqiang told reporters, "Here there are more mountains and the terrain is more complicated. In addition, the mountains are cloudy and foggy, which will affect visibility."

  In addition, the wind force on the day of the flight is also an important factor that must be considered. Sheng Guangqiang said: "For our wing-mounted flight, it is necessary to closely monitor the weather. The weather without wind is the best. If the wind is strong, , The flight speed will become faster, and may cause rollover in flight, which is very dangerous. "

  It sounds like the Tianmen Mountain in Zhangjiajie is not easy to fly. If you are new to the site, you are not familiar with the site and you are not fully prepared. The difficulty will be greatly increased.

The wind had little effect on the day of the incident

  Returning to the current problem of pilots losing contact, public information shows that the 24-year-old female pilot jumped from a helicopter flying at a height of 2500 meters at 11 am on May 12, and Sheng Guangqiang pointed out that this actually belongs to High-altitude wings mounted skydiving.

  "Wing-mounted flight is divided into high-altitude wing-mounted skydiving and low-altitude wing-mounted skydiving. The former generally jumps at an altitude of more than 2000 meters to more than 4000 meters above sea level. Compared with the latter, the difficulty is much lower. The low-altitude wing jump is closer to the ground and the landing time is more. It ’s shorter, the time to open the umbrella is later, the test for the pilot is greater, and the possibility of accidents is also greater, such as the sudden winding of the rope when opening the umbrella. "

  In fact, high-altitude wing-mounted skydiving has special training centers in Europe and the United States. Trainees will get corresponding certificates after passing the test. Low-altitude wing-mounted skydiving falls into the category of extremely difficult extreme sports, and has not been widely promoted or public training. And related qualification certification, according to the practice, high-altitude pilots usually have to experience hundreds of high-altitude skydiving training before they can try low-altitude skydiving, Sheng Guangqiang revealed, "As far as I know, at present, only me and I are engaged in low-altitude wing flight. Xu Kai, Zhang Shupeng and Yang Sheng. "

  The data shows that the winged pilots who have lost the connection this time have rich flying experience and the take-off distance is also high enough. Why is there an accident that deviates from the course of the flight until the connection is lost? Sheng Guangqiang said that he had never watched a flight video and could not give the most accurate judgment, but he also emphasized that although he jumped from an altitude of more than 2,000 meters, it is still unknown whether the actual headroom is so high.

  "After all, there are many mountains underneath, unfamiliar with the terrain, or there may be danger. If the wind is strong, vortices may form between many mountains, which will also cause unstable flight and bring accidents."

  To this end, the reporter checked the weather on May 12th. The weather report showed that it was a breeze that day, and the wind had little effect, but it was cloudy weather, which may mean that the visibility of the pilot in flight may be disturbed.

  However, from the information currently available, it is still difficult for you to find out the true cause of the accident. The question that everyone is more concerned about is whether the pilot is still alive? When can it be found?

Generally, two parachutes are prepared, and the possibility of falling directly to the ground is low

  According to local villagers, on the day of the incident, a parachute was opened and the parachute fell. On this issue, Sheng Guangqiang gave a professional analysis. In addition to the main umbrella, there is also a secondary umbrella that will automatically open about 300 meters from the ground. This is set in advance. "

  In short, there is almost no situation where people who lose contact with each other directly land because the parachute cannot be opened normally. Does this mean that people who lose contact with each other should be able to survive when they land? Sheng Guangqiang affirmed this, "If there were no other impacts, the pilot should be alive at the time."

  However, after five days of searching, the pilots who have lost contact have not been found, and the current situation is becoming more severe. Even if the pilot is still alive when landing, how long can she persist without food? The search and rescue team is still racing against time.

  It must be mentioned that, in addition to the complex terrain, the rain in the mountains for several days in a row, and low visibility, the lost pilots did not carry mobile phones and GPS with them, which also caused difficulties for search and rescue.

  Sheng Guangqiang said: "If you are in a regular skydiving center or skydiving base, you can choose not to bring it if the safety is guaranteed, but you should still bring these contact tools with you if you are in an unfamiliar venue or a skipped venue. "

  As time goes on, everyone feels worried about the lost pilot who has lost his life. Sheng Guangqiang as a senior professional winged pilot is also praying: "I hope the search and rescue team can find her as soon as possible, and hope she can be safe."

  Surging News Reporter Chen Jun