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

HS v2017 Code: 847971

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

hs code 847971 covers a diverse range of machinery and mechanical appliances, including passenger boarding bridges commonly used in airports. This industry plays a crucial role in the transportation and logistics sectors, facilitating the efficient movement of passengers and cargo. As global air travel continues to grow, the demand for reliable and innovative airport infrastructure has become increasingly important, making this industry a key contributor to the broader economy.

Production process

The production of machinery and mechanical appliances under hs code 847971 typically involves a combination of engineering, fabrication, and assembly processes. Manufacturers may utilize advanced computer-aided design (CAD) software to model and engineer the various components, followed by precision machining, welding, and assembly techniques to bring the final products to life. Quality control and testing procedures are also essential to ensure the safety and reliability of these critical airport infrastructure systems.

Production inputs

The production of machinery and mechanical appliances under hs code 847971 requires a range of inputs, including specialized metals, such as aluminum and stainless steel, for the structural components. Electrical and electronic components, such as motors, sensors, and control systems, are also integral to the functionality of these appliances. Additionally, manufacturers may rely on advanced manufacturing equipment, including computer numerical control (CNC) machines and robotic assembly lines, to streamline the production process.

Production outputs

The primary outputs of hs code 847971 are the various machinery and mechanical appliances used in airports, such as 847989 Passenger boarding bridges, 842121 Passenger elevators, and 842123 Passenger escalators. These products are essential for the efficient and safe movement of passengers and cargo within airport terminals. The outputs of this industry may also be consumed by other related codes, such as 848071 Parts of passenger boarding bridges and 848079 Parts of passenger elevators and escalators.

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 page shows a legacy version of code 847971 ( HS v2017).

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

    graph LR
    A["<a href='/classifications/hs/v2017/84'>84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof</a>"]
A --> B["<a href='/classifications/hs/v2017/8479'>8479: Machinery and mechanical appliances; having individual functions, n.e.c. in this chapter</a>"]
B --> C["<a href='/classifications/hs/v2017/847971'>847971: Machinery and mechanical appliances; passenger boarding bridges, of a kind used in airports</a>"]

    B --> D["<a href='/classifications/hs/v2017/847910'>847910: Machinery and mechanical appliances; for public works, building or the like</a>"]
B --> E["<a href='/classifications/hs/v2017/847920'>847920: Machinery; for the extraction or preparation of animal or fixed vegetable fats or oils</a>"]
B --> F["<a href='/classifications/hs/v2017/847930'>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/v2017/847940'>847940: Machines; for making rope or cable</a>"]
B --> H["<a href='/classifications/hs/v2017/847950'>847950: Machinery and mechanical appliances; industrial robots, n.e.c. or included</a>"]
B --> I["<a href='/classifications/hs/v2017/847960'>847960: Machinery and mechanical appliances; evaporative air coolers</a>"]
B --> J["<a href='/classifications/hs/v2017/847979'>847979: Machinery and mechanical appliances; passenger boarding bridges, other than of a kind used in airports</a>"]
B --> K["<a href='/classifications/hs/v2017/847981'>847981: Machines and mechanical appliances; for treating metal, including electric wire coil-winders</a>"]
B --> L["<a href='/classifications/hs/v2017/847982'>847982: Machines; for mixing, kneading, crushing, grinding, screening, sifting, homogenising, emulsifying or stirring</a>"]
B --> M["<a href='/classifications/hs/v2017/847989'>847989: Machines and mechanical appliances; having individual functions, n.e.c. or included in this chapter</a>"]
B --> N["<a href='/classifications/hs/v2017/847990'>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 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