loss

loss of efficiency

loss of life

loss of promotion

loss of rank

loss of seniority

operational loss

permanent loss(es)

repair a loss

loss of link (LOL) 

velocity loss

control-loss accident

loss of tail rotor effectiveness

loss-of-control warning

energy loss

tracking loss

nonrecoverable loss

calculated loss risk

combat umpire loss

combat loss report

range-gate loss

certificate of combat loss or destruction

certificate of loss

Minimum of the alternative indicator for 'link quality' based on frame loss

Period of time in Stage 1 failsafe after signal loss (seconds)