LOCK ON (v), LOCKS ON, LOCKED ON, LOCKED ON  To find and stay on a "target" or signal (TN) automatically  THE DME LOCKS ON AT 5 MILES.  
 log (v)  RECORD  RECORD THE COMPASS CORRECTION ON THE CARD.  Log the compass corrections on the card.
 LONG (adj)
 (LONGER, LONGEST)  That has large length or "duration"  USE A TUBE NOT LONGER THAN 3.3 FEET.  
 LONGITUDINAL (adj)   Related to the longitudinal axis (TN)  ADJUST THE LONGITUDINAL TRIM SYSTEM.  
 LONGITUDINALLY (adv)  In a longitudinal direction  MOVE THE STAND LONGITUDINALLY.  
 LOOK (v),
 LOOKS, LOOKED, LOOKED  To use your eyes (TN) to see or find  LOOK THROUGH THE INSPECTION WINDOW.  
 LOOP (n)  A circular shape made in a flexible material  MAKE A LOOP OF WIRE AROUND THE UNIT.  
 loop (v)  LOOP (n)  MAKE A LOOP OF WIRE AROUND THE UNIT.  Loop the wire around the unit.
LOOSE (adj)   1. On, in, but not attached  COLLECT THE LOOSE BARREL NUTS.  
    2. Not tight
 NOTE : For other meanings, USE: TENSION (TN).  TURN THE KNOB UNTIL YOU FEEL THAT IT IS ALMOST LOOSE.  
 LOOSELY (adv)  Not tightly  MAKE SURE THAT THE PARTS ARE LOOSELY ASSEMBLED.  
 LOOSEN (v),
 LOOSENS, LOOSENED, LOOSENED  To cause to be not tight  LOOSEN THE ATTACHMENT SCREWS.  

 
 
 lose (v)  DECREASE  THE EFFECT OF THE SOLVENT DECREASES QUICKLY.  The solvent loses its effectiveness quickly.
 lost (adj)  DECREASE (v), NOT FIND (v)  IF THE PRESSURE DECREASES QUICKLY, THE SHEAR PINS IN THE LATCH WILL BREAK.  If pressure is lost rapidly, shear pins in the latch will shear.
       IT IS POSSIBLE THAT YOU CANNOT FIND THE RUBBER BUSHES.  The rubber bushes may be lost.
 LOW (adj)
 (LOWER, LOWEST)  That is of small value  IF THE FLUID LEVEL IS LOW, THE SYSTEM WILL NOT OPERATE.  
 LOWER (v),
 LOWERS, LOWERED, LOWERED  To move something down  LOWER THE ANTENNA TO GET ACCESS TO THE CABLE CONNECTOR.  
 lowermost (adj)  BOTTOM  THE BOTTOM MARK ON THE BOARD IS XXXX.  The lowermost mark on the board is XXXX.
 LUBRICATE (v), LUBRICATES, LUBRICATED, LUBRICATED  To apply lubricant (TN)  LUBRICATE THE O-RINGS WITH HYDRAULIC FLUID (NATO H-515).