Navigation or guidance aids

Full Title

Traffic control systems for aircraft > Navigation or guidance aids

Child Classifications

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