Aircraft Electrical and Electronic Systems: Principles, Maintenance and Operation

Aircraft electrical and electronic systems: Principles, operation and maintenance......Page 4
Copyright page......Page 5
Contents......Page 6
Preface......Page 11
Acknowledgements......Page 17
1.1 Electron theory......Page 18
1.2 Electrostatics and capacitors......Page 20
1.3 Direct current......Page 23
1.4 Current, voltage and resistance......Page 24
1.5 Power and energy......Page 29
1.6 Electromagnetism and inductors......Page 31
1.7 Alternating current and transformers......Page 36
1.8 Safety......Page 49
1.9 Multiple choice questions......Page 50
2.1 Semiconductor theory......Page 52
2.2 Diodes......Page 55
2.3 Transistors......Page 66
2.4 Integrated circuits......Page 72
2.5 Multiple choice questions......Page 73
3.1 Logic gates......Page 76
3.2 Combinational logic systems......Page 77
3.3 Monostable devices......Page 80
3.4 Bistable devices......Page 82
3.5 Decoders......Page 83
3.6 Encoders......Page 86
3.7 Multiplexers......Page 87
3.8 Bus systems......Page 89
3.9 Computers......Page 93
3.10 Multiple choice questions......Page 95
4.1 Generator and motor principles......Page 98
4.2 AC generators......Page 106
4.3 Three-phase generation and distribution......Page 110
4.4 AC motors......Page 112
4.5 Practical aircraft generating systems......Page 121
4.6 Multiple choice questions......Page 126
5.1 Overview......Page 128
5.2 Storage cells......Page 129
5.3 Lead-acid batteries......Page 130
5.4 Nickel-cadmium batteries......Page 134
5.6 Nickel-metal hydride batteries......Page 137
5.9 Battery connections......Page 139
5.10 Multiple choice questions......Page 142
6.1 Regulators......Page 144
6.3 Inverters......Page 148
6.5 Transformers......Page 150
6.6 Auxiliary power unit (APU)......Page 151
6.8 Multiple choice questions......Page 153
7.1 Overview......Page 154
7.2 Construction and materials......Page 155
7.3 Specifications......Page 156
7.4 Shielding/screening......Page 157
7.5 Circuit protection......Page 159
7.6 Multiple choice questions......Page 163
8.1 Single engine/general aviation......Page 164
8.2 Twin engine general aviation aircraft......Page 168
8.3 Larger aircraft systems......Page 169
8.4 Split bus system......Page 170
8.7 Standby and essential power......Page 172
8.8 Battery charging......Page 173
8.9 Control and protection......Page 174
8.10 Load shedding......Page 176
8.11 Multiple choice questions......Page 180
9.1 Switches......Page 182
9.2 Relays and contactors......Page 185
9.3 Variable resistors......Page 187
9.4 Linear displacement transducers......Page 188
9.5 Fluid pressure transducers......Page 191
9.6 Temperature transducers......Page 192
9.7 Strain transducers......Page 196
9.8 Rotary position transducers......Page 197
9.9 Multiple choice questions......Page 199
10.1 Starting and ignition......Page 202
10.3 Primary indicating systems......Page 212
10.4 Secondary indicating systems......Page 222
10.5 Electronic indicating systems......Page 223
10.6 Multiple choice questions......Page 227
11.2 Fuel quantity measurement and indication......Page 230
11.3 Fuel feed and distribution......Page 235
11.4 Fuel transfer......Page 237
11.8 Fuel tank inerting......Page 238
11.9 Multiple choice questions......Page 240
12.1 Lighting technologies......Page 242
12.2 Flight compartment lights......Page 243
12.3 Passenger cabin lights......Page 247
12.4 Exterior lights......Page 249
12.5 Multiple choice questions......Page 255
13.1 Passenger address system......Page 258
13.3 In-flight entertainment (IFE)......Page 260
13.4 Satellite communications......Page 261
13.5 Multiplexing......Page 264
13.6 Fibre optics......Page 265
13.7 Air conditioning......Page 266
13.8 Pressurization......Page 269
13.10 Multiple choice questions......Page 271
14.1 Landing gear......Page 274
14.2 Trailing edge flaps......Page 277
14.3 Control surfaces......Page 278
14.4 Electronic indicating systems......Page 279
14.5 Multiple choice questions......Page 281
15.1 Stall warning and protection......Page 282
15.2 Airframe ice and rain protection......Page 288
15.3 Windscreen ice and rain protection......Page 292
15.4 Anti-skid......Page 294
15.5 Configuration warnings......Page 296
15.6 Aural warnings......Page 298
15.7 Multiple choice questions......Page 299
16.1 Overview......Page 300
16.2 Engine/APU fire detection......Page 301
16.3 Cargo bay/baggage area......Page 308
16.4 Fire extinguishing......Page 311
16.5 Multiple choice questions......Page 315
17.1 System overview......Page 316
17.2 System warnings and protection......Page 318
17.3 External references......Page 320
17.4 Ground proximity modes......Page 323
17.5 Forward looking terrain awareness (FLTA)......Page 330
17.6 Rotorcraft TAWS......Page 333
17.7 Architecture and configurations......Page 334
17.9 Multiple choice questions......Page 335
18.1 Flight data recorder history......Page 338
18.2 Mandatory equipment requirements......Page 340
18.3 Flight data recorder (FDR) specifications......Page 343
18.4 Cockpit voice recorders......Page 349
18.6 Multiple choice questions......Page 351
19.1 Electromagnetic interference......Page 354
19.2 EMI reduction......Page 359
19.3 High-intensity/energy radiated fields......Page 360
19.4 Lightning......Page 361
19.5 Grounding and bonding......Page 364
19.6 Electrostatic sensitive devices (ESSD)......Page 365
19.7 Multiple choice questions......Page 368
20.1 Wire and cable installations......Page 370
20.2 Bonding......Page 376
20.3 Static charges......Page 377
20.4 Earth returns......Page 378
20.5 Aircraft manuals......Page 379
20.6 Circuit testing......Page 380
20.8 On-board diagnostic equipment......Page 383
20.9 Multiple choice questions......Page 385
Appendix 1: Abbreviations and acronyms......Page 386
Appendix 2: Revision papers......Page 390
Appendix 3: Answers to multiple choice questions......Page 396
Appendix 4: Electrical quantities, symbols and units......Page 400
Appendix 5: Electrical formulae......Page 402
Appendix 6: Decibels......Page 404
Appendix 7: Wire and cable sizes......Page 406
Appendix 8: ATA chapter/subsystem list......Page 408
Appendix 9: Electrical and electronic symbols......Page 412
Appendix 10: Wire numbering/coding......Page 416
B......Page 418
D......Page 419
F......Page 420
I......Page 421
N......Page 422
R......Page 423
T......Page 424
Z......Page 425