Navigation or guidance aids

Introduced: January 2025

Full Title

Traffic control systems for aircraft > Navigation or guidance aids

IPC and CPC are identically structured here. All 9 subcodes exist in both systems.

IPC defines codes here since 2025.

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G08G 5/51 for control when on the ground, e.g. taxiing or rolling since 2025 IPC+CPC Available in IPC and CPC
G08G 5/52 for take-off since 2025 IPC+CPC Available in IPC and CPC
G08G 5/53 for cruising since 2025 IPC+CPC Available in IPC and CPC
G08G 5/54 for approach or landing since 2025 IPC+CPC Available in IPC and CPC
G08G 5/55 for a single aircraft since 2025 IPC+CPC Available in IPC and CPC
G08G 5/56 for two or more aircraft since 2025 IPC+CPC Available in IPC and CPC
G08G 5/57 for unmanned aircraft since 2025 IPC+CPC Available in IPC and CPC
G08G 5/58 for emergency situations, e.g. hijacking or bird strikes since 2025 IPC+CPC Available in IPC and CPC
G08G 5/59 in accordance with predefined flight zones, e.g. to avoid prohibited zones since 2025 IPC+CPC Available in IPC and CPC

Class G08,2013–2023, worldwide · Source: EPO PATSTAT

Class G08,2013–2023, worldwide · Source: EPO PATSTAT