MSL

See also: msl

English

Abbreviation.

MSL (uncountable)

(aviation, meteorology, oceanography) Initialism of mean sea level.
- 2025 April 14, Jackie Wattles, Ashley Strickland and Taylor Nicioli, “Blue Origin launches star-studded crew on space tourism rocket”, in CNN‎^[1]:
  The company shard specific data from today’s flight on social media, revealing that the New Shepard capsule that carried Katy Perry, Gayle King and their crewmates to space hit 346,802 feet above ground level (AGL) and 350,449 above mean sea level (MSL).
(nautical, military, law enforcement) Initialism of maritime/marine security, large; a type of cutter or (sovereignty, freedom-of-navigation, surveillance/reconnaissance) patrol vessel/craft/boat/ship.
Coordinate terms: MS, MSC, MSM, MSS

MSL