Aviation abbreviation
maritime (air mass)
M, MRTM
At a glance
Meaning of maritime (air mass)
M stands for maritime (air mass) in FAA terminology.
More about maritime (air mass)
This abbreviation is used in flight operations. The English reference lists maritime (air mass) with the abbreviation M.
FAA abbreviations reflect US aviation usage. Their meaning and permitted use can differ in documents from other countries.