What Is the File Extension .AT5?
Lowrance is a company that produces hand-held devices used for boating and aviation. A number of files are associated with Lowrance devices, including .at5 files.
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Identification
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A file with the .at5 file extension is known simply as a Lowrance chart file.
Function
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At5 files contain a map used by a Lowrance hand-held device for navigation in an airplane or in a boat.
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Types of Devices
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The air navigation Lowrance devices that use .at5 files include the Airmap 2000C and 600C. The nautical navigation devices that use the files include the Fishfinders and Chartplotters.
Benefits
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Both types of .at5 files use government GPS satellites to monitor where you are geographically, allowing you to focus on safely driving your boat or piloting your plane.
Features
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Lowrance chart files are usually saved in full color to make them easy to interpret.
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