sling (v)  SLING (TN)  LIFT THE RUDDER INTO POSITION WITH SLINGS.  Sling the rudder into position.
 slip (v)  MOVE, REMOVE  MOVE THE CARRIAGE ALONG THE FLAP TRACK.  Slip the carriage along the flap track.
       REMOVE THE CLAMP FROM THE CABLE.  Slip the clamp from the cable.
 SLOPE (n)  A surface that is not level  IF THE AIRCRAFT IS PARKED ON A SLOPE, MAKE SURE THAT WHEEL CHOCKS ARE IN POSITION.  
 SLOT (n)  A long opening that is not wide  PUSH THE CABLES THROUGH THE SLOT IN FRAME 8 AND ATTACH THEM TO THE CLIPS.  
 slotted (adj)  SLOT (n)  INSTALL THE PLATE THAT HAS SLOTS.  Install slotted plate.
 SLOW (adj)
 (SLOWER, SLOWEST)  At low speed (TN)  MAKE SURE THAT THE MOVEMENT OF THE ELEVATORS IS SLOW.  
slow down (v)  DECREASE  DECREASE THE RATE OF OPERATION TO XXXX.  Slow down the rate of operation to XXXX.
 SLOWLY (adv)  In a slow "manner"  TURN THE KNOB SLOWLY.  
 slushy (adj)  SLUSH (TN)  DO NOT TOW IN AREAS WHERE THERE IS SLUSH.  Towing in slushy areas must be avoided.
 SMALL (adj)
 (SMALLER, SMALLEST)  Less than average (TN) in dimension, quantity, quality, or capacity  WHEN YOU REFUEL THE AIRCRAFT, A SMALL QUANTITY OF FUEL COMES OUT OF THE VENT LINE.  
 smear (v)  APPLY  APPLY GREASE TO THE TAPER SLEEVE.  Smear grease on taper sleeve.

 
 
 SMELL (v),
 SMELLS, SMELLED, SMELLED  To find with the nose  SMELL THE OIL.  
 SMOKE (n)  A gas that has particles of burned material and that you can see  WHEN THE CONCENTRATION OF SMOKE IS MORE THAN THE LIMIT, AN ALARM OPERATES.  
 SMOKE (v),
 SMOKES, SMOKED, SMOKED  To breathe tobacco (TN) smoke  DO NOT SMOKE IN THE WORK AREA.  
 SMOOTH (adj) (SMOOTHER, SMOOTHEST)   1. Has a continuous "uniform" surface
 2. Has a constant rate of movement  MAKE SURE THAT THE PAINTED SURFACE IS SMOOTH.
 EXAMINE THE LINKAGE FOR SMOOTH MOVEMENT.  
 smooth (v)  SMOOTH (adj)  MAKE THE TAPE SMOOTH.  Smooth tape out.