World Aircraft Information Files (WAIF) is a weekly partwork magazine published by (part of ) in the United Kingdom. Each issue was priced at £1.70 for issues 1–163, and £1.80 for issues 164–218. Altogether, there were 218 issues in the complete set, which completed in 2002. Originally advertised as having 200 issues, the run was extended to 218 issues when approximately 576 pages were missing from the collection. An index to the complete series was given in the final issue.