This category is about aircraft which have disappeared in flight and whose precise fate remains unknown. For aviators (pilots, navigators, flight engineers and other air crew) who have disappeared in flight, see
Category:Missing aviators. For aviators or air passengers who have been declared "missing in action" during wars or other armed conflicts, see
Category:Military personnel missing in action. For air passengers (other than military personnel declared "missing in action") who have disappeared without trace in flight, see
Category:Missing air passengers.