stabilize (v)  STABLE (adj)  LET THE V-BARS BECOME STABLE.  Allow V-bars to stabilize.
 STABLE (adj)  That does not change or move  MAKE SURE THAT THE PRESSURE INDICATIONS ARE STABLE.  
 stage (n)  STEP  DO NOT REMOVE THE PIN AT THIS STEP.  Do not remove the pin at this stage.
 stained (adj)  STAIN (TN), DIRTY  IF THERE ARE STAINS OF HYDRAULIC FLUID ON THE COVER, EXAMINE THE LINE COUPLINGS.  If cover is stained by hydraulic fluid, check line couplings.
       IF THE CARPET IS DIRTY, CLEAN IT WITH MATERIAL NO. XXXX.  If carpet is stained, clean with the Material No. XXXX.
 stamp (v)  STAMP (TN)  PUT THE TEST DATE ON THE CYLINDER NECK WITH A STAMP.  Stamp the test date on the cylinder neck.
 stand (v)  STAY  STAY AWAY FROM SURFACES THAT MOVE.  Do not stand near moving surfaces.
 STANDARD (adj)  Related to equipment and procedures that are "normally" used  REMOVE THE STANDARD AND THE SPECIAL TOOLS.  
starboard (adj)  RIGHT  MOVE THE AILERONS UP ON THE RIGHT WING.  Deflect ailerons upwards on starboard wing.
 START (n)  The "beginning" of a movement or operation  YOU CAN GET SLOW MOVEMENT AT THE START.  
 START (v),
 STARTS, STARTED, STARTED  To cause movement or operation  START THE APU.  

 
 
 state (n)  CONDITION  EXAMINE THE CONDITION OF THE UNIT.  Check the state of the unit.
 state (v)  TELL  UNLESS THE INSTRUCTIONS TELL YOU TO DO XXXX, OBEY PROCEDURE YYYY.  Unless otherwise stated, follow procedure YYYY.
 station (v)  PUT  PUT A PERSON NEAR THE FUEL TANK.  Station a person near the fuel tank.
 stationary (adj)  STOP (v), STABLE  WHEN THE FLYWEIGHTS STOP, DO THE TEST.  When the flyweights are stationary, do the test.
       WHEN THE PRESSURE IS STABLE, CLOSE THE VALVE.  When the pressure is stationary, close the valve.
 STAY (v),
 STAYS, STAYED, STAYED  To continue to be in  a location or condition  IF THE AIRCRAFT MUST STAY IN THE HANGAR, MAKE SURE THE EXIT IS CLEAR.  
 steadily (adv)  CONTINUOUSLY  IF THE TEMPERATURE INCREASES CONTINUOUSLY, STOP THE ENGINE.  If the temperature increases steadily, stop the engine.
steady (adj)  STABLE  MAKE SURE THAT THE SYSTEM PRESSURE IS STABLE.  Make sure that system pressure is steady.
 STEP (n)  A specified part of a procedure  DO STEPS 13 THRU 16 A MINIMUM OF THREE TIMES.  
 stick (v)  BOND, FREELY (adj)  BOND THE PATCH TO THE SURFACE.  Stick the patch to the surface.
       MAKE SURE THAT THE FAN BLADES MOVE FREELY.  Check that the fan blades do not stick.