Introduction of Panzhihua Security Camp Airport?

Panzhihua Security Camp Airport (ICAO: ZUZH；; IATA:PZI) is located in the southeast of Panzhihua City, 9.5 kilometers away from downtown Panzhihua. The air distance is 537 kilometers from Chengdu and Kunming 193 kilometers. Panzhihua Airport is the second civil airport in Sichuan Province. As one of the key projects of national debt, the airport has completed the investment of110.8 billion yuan by the end of 2003. On July 28th, 20 1 1, the airport was suspended due to a landslide. Twenty months later, the landslide control project of Panzhihua Airport, known as "the first difficulty in civil aviation", was completed. 2065438+On June 29th, 2003, Panzhihua Airport resumed flights to and from Chengdu for the first time, which were operated by China International Airlines and Sichuan Airlines respectively. The schedule of Air China is 65438+ 0, 3, 5 and 7 per week, and that of Sichuan Airlines is 2, 4 and 6 per week.

Hardware facilities

The main airport project officially started on June 28th, 2000. It took four years to build the airport, which is located on the hillside at an altitude of 1976 meters, and is a plateau airport. The maximum backfill depth is1.23m, and the earthwork volume is 58 million cubic meters, including 40 million cubic meters, ranking first in China Airport. Can take off and land Boeing 737, Airbus A320 and other models.

There are 3-4 platform seats in the airport. It was opened to traffic on February 6, 2003. After navigation, routes such as Beijing, Shanghai, Chongqing, Chengdu and Guangzhou can be opened. Due to the special geographical environment and geological conditions, Panzhihua Airport has four characteristics: first, it is located on the high-altitude ridge, the runway elevation is 1976 meters, and the filling length of steep slope exceeds 3600 meters; Second, the amount of earthwork is huge, with a cumulative excavation of more than 58 million cubic meters, including 40 million cubic meters of earthwork, ranking first in the country; Third, it is deep, and the maximum backfill depth is123m; Fourth, it is difficult. Due to the complex geological conditions, there are many landslides in the flight area, the backfill depth is large and the technical requirements are high. The minimum compaction degree of rolling backfill is 93%, and the road groove and its influence range are 96% to 98%.

Panzhihua Airport is designed to meet the passenger throughput of 300,000 passengers in 2005. The flight area of the airport is a 4C-class airport, and the runway is 2800 meters long. Panzhihua security camp airport, 1999 started construction, with a total investment of 10 billion yuan. After more than three years of construction, the airport was finally built on the mountain at an altitude of 1970 meters. Panzhihua City is located at the junction of Sichuan and Yunnan, the transition zone between Hengduan Mountains and Yunnan-Guizhou Plateau, and it is the largest steel base in western China. This area is rich in vanadium-titanium magnetite and hydraulic resources. The inconvenient transportation has seriously restricted the development of this city. The opening of the airport will create favorable conditions for developing the rich resources here.

Most of the terrain within 8 kilometers around the site is lower than that of the site, the space is relatively open, and the terrain of the site fluctuates greatly. There are two protruding hills in the north and south. The elevation of the top of Baoan camp in the south is 2062.30m, and that in the north is 2145.6m.. The middle part is concave, and there are slopes on both sides. The eastern slope is gentle and the western slope is steep. In the planned flight area, the maximum height difference between the valley lowlands and the top of the ridge can reach more than 1.20m, the runway is inclined above the mountain, and both sides of the whole flight area are mostly deep excavation areas or high fill areas, with complex site conditions, great construction difficulties and high technical requirements.

Airport characteristics

Topographic features

Panzhihua Airport is located in the southeast edge of Qinghai-Tibet Plateau, with continuous mountains, complex terrain, high altitude and high temperature. It is a typical high-temperature mountain airport. The airport is located at the top of Baoan camp, only 8.7 kilometers away from Panzhihua city (valley area). Jinsha River surrounds the airport from the west, north and east. The altitude difference between the airport and the river is 1000 meters. It is located on a continuous mountain top, with an altitude of 1980.2 meters. The runway is north-south (No.02/No.20), and the main take-off and landing direction is north to south.

operating characteristic

Due to the limitation of special terrain and airport funds, Panzhihua Airport only installed a single set of DVOR/DME radio and ILS system for runway 20. However, due to the influence of mountainous terrain and turbulence, the final approach leg of ILS system on runway 20 often fluctuates within 4 nautical miles, resulting in a large indication error. Both ends of the runway are equipped with wind measuring equipment, without Doppler radar and wind shear detection equipment. Runway side lights are installed on both sides of the runway, but no runway center line lights are installed, so it is easy to have visual errors when landing at night, and it is difficult for pilots to grasp the taxiing direction after landing. The airport oil depot has insufficient oil storage capacity, and generally does not refuel other aircraft except EMB 145.

Climatic characteristics

Panzhihua Airport is not only affected by the westerly weather system, but also by the tropical and subtropical weather systems all the year round, belonging to the south subtropical and semi-arid mountainous climate zone. Panzhihua Airport has complex terrain and surrounded by mountains, forming a unique valley and mountain climate. There is a significant difference in vertical climate between valleys and mountains, and microclimates in different places are complex and diverse, with strong convection and turbulence, which greatly affects flight safety. Due to the special topography, dynamic factors and thermal conditions of the airport, strong winds of more than 5 meters often appear in windy season, especially in the afternoon, which is easy to form turbulence, sometimes resulting in a great difference in wind speed between the two ends of the runway and the middle, or even the opposite wind direction, which seriously endangers flight safety.

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