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Developed and maintained by the NFCC

Landmarking

While navigating through the risk area, identifiable locations such as a change of level or direction, doorways and large obstacles, can act as prompts for gauge checks. By checking at regular intervals using these landmarks, any unexpectedly high levels of air consumption or loss of air should be identified. In particular, the team will be able to determine the amount of air and the pace required to exit the risk area.