mean time between critical failure (MTBCF)

mean time between failures (MTBF) (logistics)

mean time between failures requiring overhaul

mean time between significant failures

mean time between repairs (flying hours)

mean time between repairs in temperate climate

mean time between repairs in tropical climate

Greenwich Mean Time (GMT)

mean down time (MDT) (logistics)

mean and sidereal time interval

critical failure

critical single system failure

critical time

clearance between barrel and forearm

clearance between the cars

width between eyepieces

difference between the elevation angular limits

distance between track centers

blade flapping (the vertical movement in its plane of rotation because of differences in lift between the advancing and retreating blades)

List of Operational Contact Points between Vulcanological Agencies, Meteorological Watch Offices and Air Control Center

zone standard time (zone time) (ZST)

time to climb / climb time

mean lethal radiation dose

mean point of impact (MPI)

mean sea level

mean sea level (MSL)

mean takeoff weight

mean weight

mean lifetime

predicted mean life

camber of mean line

standard mean chord

above mean sea level (AMSL)