When signals in an actual pipeline inspection have similar characteristics to the signals found during testing it is logical to assume that the features would be similar.

Often these pipelines are inspected and cleaned using pipeline inspection gauges, pigs, also known as scrapers or Go-devils.

Underwater vehicles have been a focus for automation for tasks such as pipeline inspection and underwater mapping.

Pigging in the context of pipelines refers to the practice of using pipeline inspection gauges or 'pigs' to perform various maintenance operations on a pipeline.

The Husky has been used for observation duties, fisheries patrol, pipeline inspection, glider towing, border patrol and other utility missions.

It can be used in roles such as pipeline inspection, coast watch, environmental duties, aerial photography and security.

Core businesses included pre-drilling site surveys, pipeline inspection, exclusive and non-exclusive 2D seismic surveys and the processing and interpretation of survey data.

At the moment of the leak, pipeline inspection gauges (known as "pigs") had not been run through the pipeline since 1998.

They are also used for public ferry services, surveys, dredging and civil engineering support, mud and weed sampling, and pipeline inspection.

Transmitters in the 20 Hz range are also found in pipeline inspection gauges, also known as "PIGs".