![National Air Photo Library National Air Photo Library](/web/20061102193034im_/http://airphotos.nrcan.gc.ca/esst_images/napl_e.jpeg) Natural Resources Canada > Earth Sciences Sector > Mapping Services Branch > Centre for Topographic Information > National Air Photo Library
National Air Photo Library Login to NAPL On-Line
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After registering and logging-in, the NAPL On-Line application will appear in a separate browser window. This application may take a few minutes to download and launch. If the application is not accessible to you, please contact us for alternate search methods.
Browser Compatibility:NAPL On-Line has been tested using Microsoft Internet Explorer 6 and Netscape 7.1. Please note, NAPL On-Line uses "popup" browser windows. Some users block popup windows from opening on their screen by using tools within their web browser or by using third party "toolbar" add-on software. If NAPL On-Line fails to open after logging-in, please ensure popups are not blocked on your particular web browser.
NAPL On-Line allows you to search and retrieve metadata for over 3 million air photos using several criteria, including official place name, geographical coordinate, National Topographic System map number, or Roll and Photo number. NAPL On-Line visually depicts the "footprint" of air photos on a seamless map background. After a search is completed, the air photos can be ordered from the National Air Photo Library.
While the National Air Photo Library endeavours to display the coverage of each air photo as accurately as possible within the NAPL On-Line application, the outline depicted is a theoretical "footprint" based on a number of variables such as aircraft altitude, camera focal length and ground elevation. Variations in the methods used to record flight line data as well as the process used to digitize this data will result in differences between the theoretical "footprint" and the actual air photo coverage. To enable you to select the proper photo for your requirements, please ensure that your area of interest lies well within the boundary of the "footprint", and carefully read the instructions for NAPL On-Line prior to ordering.
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