T  U  V I-9  Straight and Level ............................................ 11-5, 14-28 Stratosphere..................................................................12-3 Stress ..........................................................................17-12 Stress management.......................................................2-21 Student pilot .................................................................1-20 Student pilot solo requirements ...................................1-21 Subcomponents of an airplane .......................................3-8 Airframe .....................................................................3-8 Brakes.........................................................................3-8 Electrical system.........................................................3-8 Flight controls ............................................................3-8 Sublimation ................................................................12-15 Sumps...........................................................................7-27 Superchargers...............................................................7-12 Surface aviation weather observations (METARs) .....13-2 Sweepback ...................................................................5-48 Synopsis .......................................................................13-5 Synthetic vision system..............................................17-28 Tachometer ..................................................................8-13 Tailwheel landing gear airplanes .................................7-33 Takeoff charts ............................................................11-20 Takeoff performance..................................................11-14 Taxiway centerline lead-on lights..............................14-18 Taxiways, marking and lighting of permanently Closed runways..........................................................14-14 Temperature ................................................... 12-13, 13-13 Temporary flight restrictions (TFR) ............................15-6 Terminal doppler weather radar (TDWR) ...................13-4 Terminal radar service area (TRSA)................ 14-26, 15-7 Tetrahedron ................................................................14-20 Thermosphere ..............................................................12-3 Thielert, Frank................................................................7-4 Three-color visual approach path...............................14-17 Thrust ..................................................................... 5-1, 5-2 Thrust horsepower (THP) .................................... 7-6, 7-24 Thunderstorms ...........................................................12-22 Time and distance check from a station.....................16-26 Time Zones ..................................................................16-3 Central standard time................................................16-5 Eastern standard time ...............................................16-5 Mountain standard time............................................16-5 Pacific standard time ................................................16-5 Tornadoes...................................................................12-23 Torque ..........................................................................5-30 Torquemeter.................................................................7-22 Total distance .............................................................16-17 Touchdown zone lights (TDZL) ................................14-18 Track ..........................................................................16-10 Transcontinental air mail route ......................................1-4 V$_{A}$ ...............................................................................11-18 Variable inlet guide vane (VIGV)................................7-24 Variation .......................................................... 16-6, 16-16 Vector analysis...........................................................16-13 Vehicle (driver) deviations ........................................14-31 Vertical card magnetic compass ..................................8-27 Vertical speed indicator (VSI) ............................. 8-7, 8-13 Very high frequency (VHF).......................................16-22 Very high frequency (VHF) omni-directional radio range (VOR) ........................................... 3-13, 16-22 Very light jets (VLJs)...................................................7-20 Vestibular illusions Coriolis illusion ........................................................17-7 Elevator illusion .......................................................17-8 Graveyard spiral .......................................................17-7 Ultralight vehicle .........................................................1-14 Uncontrolled airspace ..................................................15-3 Class G airspace .......................................................15-3 Universal coordinated time (UTC) ..............................16-5 Unmanned free balloons ............................................15-11 Upper air observations .................................................13-2 Useful load ...................................................................10-5 Transcribed weather broadcast (TWEB) (Alaska only)................................................................13-4 Transponder ...............................................................14-25 Trend vectors ...............................................................8-14 Tricycle landing gear airplanes....................................7-33 Trim systems................................................................6-10 Trim tabs .............................................................. 3-6, 6-10 Tropopause...................................................................12-3 Troposphere .................................................................12-2 True airspeed (TAS) .......................................... 8-9, 11-18 True course.................................................................16-16 True heading ..............................................................16-16 Truss structure................................................................3-8 T-tail configuration ........................................................6-6 Turbine engines............................................................7-20 Turbofan ...................................................................7-21 Turbojet ....................................................................7-20 Turboprop.................................................................7-21 Turboshaft ................................................................7-21 Turbosuperchargers............................................ 7-12, 7-13 Turbulence .................................................................12-24 Turn indicators ................................................... 8-13, 8-16 Turn-and-slip indicator.............................................8-16 Turn rate indicator........................................................8-13