Index A acceleration error  ......................................................... 5-13 acceleration in cruise flight  .......................................... 4-10 ADF components  ........................................................... 9-3 advanced technologies  ................................................. 9-24 advanced technology systems  ...................................... 5-28 aerodynamic factors  ............................................... 4-1, 5-1 aerodynamics  ................................................................. 4-2 aeronautical information manual (AIM)  .............. 1-1, 10-2 aircraft control  ................................................................ 8-3 during instrument flight  .............................................. 6-3 aircraft system malfunctions  ........................................ 11-3 air data computer (ADC)  ............................................. 5-22 airplane trim  ................................................................... 6-8 airport/facility directory (A/FD)  .................................. 10-2 airport sketch/airport diagram  ...................................... 1-27 air route traffic control center (ARTCC)  ....................... 2-7 airspace classification  ..................................................... 1-2 Class A  ....................................................................... 1-2 Class C  ........................................................................ 1-2 Class D  ....................................................................... 1-2 Class E  ........................................................................ 1-2 Class G  ....................................................................... 1-2 airspeed  .......................................................................... 5-9 indicated airspeed (IAS)  ............................................. 5-9 calibrated airspeed (CAS)  .......................................... 5-9 equivalent airspeed (EAS)  .......................................... 5-9 mach number  ............................................................ 5-10 true airspeed (TAS)  .................................................... 5-9 airspeed changes common errors  .......................................................... 8-10 in straight-and-level flight  .............................. 7-11, 7-40 airspeed color codes  ..................................................... 5-10 airspeed indicator (ASI)  . 5-8, 6-6, 6-8, 6-10, 7-6, 7-37, 8-5 air traffic control (ATC)  ................................................. 2-1 alternator/generator failure  ........................................... 11-5 altimeter ............................................... 6-10, 7-3, 7-36, 8-4 enhancements (encoding)  ........................................... 5-7 analog instrument failure ............................................. 11-7 analog pictorial displays  .............................................. 5-23 angle of attack  ................................................................ 4-2 applying the four-step process  ..................................... 6-20 approach azimuth guidance  .......................................... 9-43 approach control advances  ........................................... 2-12 precision runway monitor (PRM) ............................. 2-12 PRM benefits  ............................................................ 2-13 PRM  radar ................................................................ 2-12 approach control facility  .............................................. 2-12 approaches  .................................................................. 10-13 lighting systems (ALS)  ............................................. 9-38 to airport with an operating tower  .......................... 10-15 to airport without an operating control  tower  ....................................................................... 10-13 to parallel runways  ................................................. 10-20 to stall ....................................................................... 7-26 area navigation (RNAV)  .............................................. 9-22 ATC inflight weather avoidance assistance  ................. 2-11 ATC radar weather displays  ......................................... 2-11 ATC reports  ................................................................. 10-7 ATC towers  .................................................................... 2-5 atmosphere  ..................................................................... 4-4 layers of the atmosphere  ............................................. 4-5 attitude and heading reference system (AHRS)  ........... 5-22 attitude control  ............................................................... 6-3 attitude direction indicator (ADI)  ................................ 5-23 attitude indicator  .. 5-19, 6-4, 7-2, 7-6, 7-34, 7-37, 8-3, 8-5 attitude instrument flying fundamental skills..................................................... 6-24 primary and supporting method  ............................... 6-21 using the control and performance method  ................ 6-2 using the primary and supporting method  .................. 6-4 automated flight service stations (AFSS)  ....................... 2-4 automatic dependent surveillance—broadcast (ADS-B)  ....................................................................... 5-28 autopilot systems  .......................................................... 5-25 usage......................................................................... 7-58 autorotations................................................................. 8-17 common errors  .......................................................... 8-17 aviation magnetic compass  .......................................... 5-10 I-1