Machinery and mechanical appliances; passenger boarding bridges, of a kind used in airports

HS v2022 Code: 847971

About machinery and mechanical appliances; passenger boarding bridges, of a kind used in airports

HS code 847971 covers a critical segment of the transportation equipment industry, specifically the machinery and mechanical appliances used in airports for passenger boarding. These specialized systems play a vital role in the efficient and safe movement of travelers, facilitating the seamless transition between aircraft and terminal buildings. As global air travel continues to grow, the demand for reliable and innovative passenger boarding bridges has become increasingly important, contributing to the overall competitiveness and connectivity of the aviation sector.

Production process

The production of passenger boarding bridges involves a complex manufacturing process that combines engineering expertise, advanced materials, and precision fabrication. Key steps include the design and engineering of the bridge structure, the integration of hydraulic and electrical systems, and the assembly of the various components. Manufacturers often utilize computer-aided design (CAD) software and automated production techniques to ensure consistent quality and efficiency in the manufacturing process.

Production inputs

The production of passenger boarding bridges requires a range of specialized inputs, including high-strength aluminum alloys, hydraulic components, electrical systems, and advanced control mechanisms. Additionally, the industry relies on specialized machinery and equipment, such as welding tools, lifting devices, and testing equipment, to ensure the safety and reliability of the final product. The availability of skilled labor, particularly in the fields of engineering, metalworking, and systems integration, is also a critical input for this industry.

Production outputs

The primary output of HS code 847971 is the passenger boarding bridge, which is a crucial component in the overall airport infrastructure. These bridges are used to facilitate the boarding and disembarking of passengers, providing a safe and comfortable transition between the aircraft and the terminal building. The output of this industry is consumed by 851712 Airports and air transport services, as well as 847990 Machinery and mechanical appliances; parts thereof, n.e.c. in heading no. 8479.

Revisions to 847971

Classification codes are adjusted frequently. The code may have been revised or replaced between system versions. The table below shows the history (newest to oldest) of the code 847971. The most recent 1 version of this code (847971) is in the HS v2022 system (this version):

This page shows the most recent version of code 847971.

Family tree for machinery and mechanical appliances; passenger boarding bridges, of a kind used in airports

    graph LR
    A["<a href='/classifications/hs/v2022/84'>84: Machinery and mechanical appliances, boilers, nuclear reactors; parts thereof</a>"]
A --> B["<a href='/classifications/hs/v2022/8479'>8479: Machinery and mechanical appliances; having individual functions, n.e.c. in this chapter</a>"]
B --> C["<a href='/classifications/hs/v2022/847971'>847971: Machinery and mechanical appliances; passenger boarding bridges, of a kind used in airports</a>"]

    B --> D["<a href='/classifications/hs/v2022/847910'>847910: Machinery and mechanical appliances; for public works, building or the like</a>"]
B --> E["<a href='/classifications/hs/v2022/847920'>847920: Machinery; for the extraction or preparation of animal or fixed vegetable or microbial fats or oils</a>"]
B --> F["<a href='/classifications/hs/v2022/847930'>847930: Machinery and mechanical appliances; presses for the manufacture of particle or fibre building board of wood or other ligneous materials and other machinery for treating wood or cork</a>"]
B --> G["<a href='/classifications/hs/v2022/847940'>847940: Machines; for making rope or cable</a>"]
B --> H["<a href='/classifications/hs/v2022/847950'>847950: Machinery and mechanical appliances; industrial robots, n.e.c. or included</a>"]
B --> I["<a href='/classifications/hs/v2022/847960'>847960: Machinery and mechanical appliances; evaporative air coolers</a>"]
B --> J["<a href='/classifications/hs/v2022/847979'>847979: Machinery and mechanical appliances; passenger boarding bridges, other than of a kind used in airports</a>"]
B --> K["<a href='/classifications/hs/v2022/847981'>847981: Machines and mechanical appliances; for treating metal, including electric wire coil-winders</a>"]
B --> L["<a href='/classifications/hs/v2022/847982'>847982: Machines; for mixing, kneading, crushing, grinding, screening, sifting, homogenising, emulsifying or stirring</a>"]
B --> M["<a href='/classifications/hs/v2022/847983'>847983: Machines and mechanical appliances; cold isostatic presses</a>"]
B --> N["<a href='/classifications/hs/v2022/847989'>847989: Machines and mechanical appliances; having individual functions, n.e.c. or included in this chapter</a>"]
B --> O["<a href='/classifications/hs/v2022/847990'>847990: Machines and mechanical appliances; parts, of those having individual functions</a>"]

    

    %% Color coordination by level

    classDef level1 color:#000,fill:#a8f9ff,stroke:#333,stroke-width:2px
    classDef level2 color:#000,fill:#e0a458,stroke:#333,stroke-width:1px
    classDef level3 color:#000,fill:#419d78,stroke:#333,stroke-width:1px
    classDef level4 color:#000,fill:#c04abc,stroke:#333,stroke-width:1px
    classDef level5 color:#000,fill:#f1c40f,stroke:#333,stroke-width:1px
    classDef level6 color:#000,fill:#f1c40f,stroke:#333,stroke-width:1px
    classDef highlight color:#000,fill:#fff,stroke:#000,stroke-width:5px



  %% Apply classes
  class A level2
class B level4
class C level6
class D level6
class E level6
class F level6
class G level6
class H level6
class I level6
class J level6
class K level6
class L level6
class M level6
class N level6
class O level6

  class C highlight

  %% class A level1
  %% class B,C level2
  %% class D,E,F,G,H,I level2
  %% class J,K,L,M,N,O,P level3
  %% class C highlight