Category:Aircraft category navigation failed to generate navbox

This category is being considered for renaming to Category:Aircraft category navigation failed to generate navbox. This nomination is part of a discussion of several related categories.

This does not mean that any of the pages that are listed in the category page will be deleted. They may, however, be recategorized.
Please share your thoughts on the matter at this category's entry on the Categories for discussion page. Please do not empty the category or remove this notice while the discussion is in progress.
add entry: {{subst:cfr2|Aircraft category navigation failed to generate navbox|header=Aircraft catnav/category navigation|Aircraft category navigation failed to generate navbox|text=Your reason(s) for the proposed rename. ~~~~}}

Administrators: Click here to rename

This is a tracking category.

It is used to build and maintain a list or lists of pages—primarily for the sake of the lists themselves and their use in article and category maintenance. It is not part of the encyclopedia's categorization scheme.

More information:

This category is hidden on its member pages—unless the corresponding user preference (Appearance → Show hidden categories) is set.
These categories are used to track, build and organize lists of pages needing "attention en masse" (for example, pages using deprecated syntax), or that may need to be edited at someone's earliest convenience.
These categories also serve to aggregate members of several lists or subcategories into a larger, more efficient list (discriminated by classifications).
Typically, tracking categories are automatically populated by templates invoked in pages or by the MediaWiki software (see Special:TrackingCategories for an overview of the latter).

Administrators: Please do not delete this category as empty!
This category may be empty occasionally or even most of the time.

This error tracking category contains categories whose naming convention was unrecognized, produced by one of the following WP:AIRCRAFT category navigation templates:

{{Aircraft by decade}}
{{Aircraft by nationality}}
{{Aircraft nation decade}}
{{Aircraft nation by type}}
{{Aircraft nation decade by type}}
{{Aircraft decade by type}}
{{Civil aircraft nation decade}}
{{Military aircraft nation decade}}
{{Aircraft first flown in year category header}}

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