What does UM mean in Suggested?
This page is about the meanings of the acronym/abbreviation/shorthand UM in the field in general and in the Suggested terminology in particular.
Unattended Minor, tag to identify minors travelling solo i.e. without parental and/or guardian escort during a commercial flight.
UM tags may have been replaced by some other more efficient means since the use of digital technology in communication as it has become more common lately...
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What does UM mean?
- (used as an expression of doubt, hesitation, deliberation, etc.)
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