Removal of mechanically locked blind rivets..............4-50 Removal of pin rivets...................................................4-50 Removal of rivets.........................................................4-45 Repairability of sheet metal structure ..........................4-92 Repair layout................................................................4-33 Repair material selection..............................................4-93 Repair of lightening holes............................................4-99 Repair of steel tubing aircraft structure by welding.....5-32 Repair of stressed skin structure ..................................4-94 Repair of wood aircraft components............................6-13 Repair of wood aircraft structures..................................6-7 Repair parts layout .......................................................4-93 Repair safety ................................................................7-53 Repairs to a pressurized area......................................4-101 Replacement of a panel................................................4-99 Replacing rivets ...........................................................4-46 Required inspections....................................................2-60 Resin injection repairs..................................................7-40 Respiratory protection..................................................7-53 Reusable sheet metal fasteners.....................................4-29 Rib and web repair .....................................................4-105 Bracing .......................................................................3-5 Lacing.......................................................................3-18 Lacing cord.................................................................3-5 Rigging.........................................................................2-16 Checks ......................................................................2-48 Fixtures.....................................................................2-45 Specifications ...........................................................2-39 Right angle and 45° drill motors..................................4-15 Rigid rotor....................................................................2-18 Rivet Cutter ........................................................................4-36 Head shape ...............................................................4-31 Layout example ........................................................4-35 Length.......................................................................4-33 Nut ............................................................................4-56 Pitch..........................................................................4-35 Selection ...................................................................4-94 Sets/headers ..............................................................4-39 Spacers........................................................................4-4 Spacing .....................................................................4-34 Spacing and edge distance........................................4-94 Strength ....................................................................4-33 Riveting procedure.......................................................4-40 Room temperature curing ............................................7-32 Rotary machine ............................................................4-24 Rotary punch press.......................................................4-11 Rotary-wing .................................................................2-17 Rotary-wing aircraft.......................................................1-5 Rotor systems...............................................................2-18 Rudder..........................................................................1-27 Ruddervator..................................................................1-28 S Safety in the paint shop................................................8-21 Sags and runs ...............................................................8-14 Sandbag bumping.........................................................4-81 Sandbags ......................................................................4-28 Sandwich structures ........................................... 7-10, 7-34 Saturation techniques ...................................................7-30 Sawing..........................................................................7-55 Scales .............................................................................4-4 Scarf patch ...................................................................6-24 Score ............................................................................4-91 Scratch..........................................................................4-91 Screws and nutplates in composite structures..............7-48 Scroll shears .................................................................4-10 Seams ...........................................................................3-16 Seam welding.................................................................5-6 Selvage edge ..................................................................3-3 Semicrystalline thermoplastics ......................................7-8 Semimonocoque.............................................................1-9 Semirigid rotor .............................................................2-18 Sequence for painting a single-engine or light twin  airplane.........................................................................8-13 Series wound DC generators........................................9-32 Servo tab ......................................................................1-32 Setback (SB) ................................................................4-60 Sewing thread.................................................................3-6 Seyboth ........................................................................3-11 Shear .............................................................................,1-7 Shear strength and bearing strength.............................4-88 Sheet metal forming and flat pattern layout  terminology ..................................................................4-59 Sheet metal hammers and mallets................................4-28 Sheet metal holding devices.........................................4-28 Sheet metal repair ........................................................4-86 Shielded metal arc welding............................................5-2 Shop tools.......................................................................4-9 Shotbags and weights...................................................7-32 Shrinking............................................................ 4-58, 4-76 Shrinking and stretching tools .....................................4-27 Shrinking blocks ..........................................................4-28 Shrinking tools .............................................................4-27 Shrink tape ...................................................................7-32 Sight line ......................................................................4-60 Silver soldering ............................................................5-21 Single rotor helicopter..................................................2-17 Single side vacuum bagging ........................................7-31 Single spread................................................................6-10 I-9