Thales FMGS - Switching Conditions

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FLIGHT PHASES

GO-AROUND 3

8.1. SWITCHING CONDITIONS

The FMGS is designed to switch automatically from APPROACH to GO-

AROUND phase when all the following conditions are met:

− A/C in flight,

− Slats extended,

− Thrust levers set to TOGA detent.

AIRBUS A318/319/320/321

J43126AA 00

Main Page

Table of Contents3
- Disclaimer5
- Contact6
- Authors' Note7
- Structure of Guide9
- Aircraft Applicability10
- Guide Description10
- Guide Objectives10
- Guide Organization10
- Conventions Used in the Guide11
- Guide Updating11
- List of Effective Pages11
- Page Identification11
- Record of Revisions11
- Revision11
- Figures13
- Supplementary Information14
- Terminology14
- Record of Revisions15
- Foreword18
- List of Effective18
- Part I - General Description18
- Part II - Flight Phase Procedures19
- Part III - Multi Phase Procedures24
- Part IV - Degraded Operations30
- Part V - Appendices31
Page Intentionally Left Blank37
- Chapter 2 - SYSTEM OVERVIEW42
Table of Contents51
- Chapter 3 - FMGS OPERATION53
Description/General Display Rules69
- Chapter 4 - MCDU70
Page Intentionally Left Blank97
- Fmgs Initialization99
- FMGC Power Up/Access100
- Check A/C Status Page101
- Enter Alternate / Alternate Route104
- Align IRS105
- Enter Flight Number105
- Enter Cost Index108
- Enter Cruise FL and Temperature108
- Enter Tropopause108
- Enter Climb Wind109
- Enter History Wind (When Applicable)110
- Enter Cruise Wind111
- Enter Alternate Wind112
- Enter Descent Wind112
- Complete F-PLN Page113
- DEPARTURE Pages113
- Enter Departure113
- Monitor ND in PLAN Mode114
- Enter En-Route AIRWAYS115
- Enter a WPT117
- Use AIRPORT Key118
- Enter Arrival119
- Enter / Revise Alternate Route120
- TMPY F-PLN Insert120
- Check & Complete PROG Page124
- Complete PERF Page125
- Reference Speeds126
- Take-Off Shift126
- APPROACH Page127
- Climb Speed127
- Cruise Speed127
- Check F-PLN128
- Estimated Time for Take-Off(ETT)130
- Supplementary Procedures130
- Change IDLE/PERF Factors131
- DATA Not Stored in NAV DATABASE132
- FCU Selection for Take-Off135
- Take-Off with Preset HDG135
- MCDU Page Selection136
- Procedures During Taxi137
- Take-Off from Intersection or Displaced Threshold137
Other Information143
- After Take-Off150
- TAKE-OFF Using Localizer of OPPOSITE RWY150
- Map Shift151
- Other Information151
- Position Update151
- TAKE-OFF with no V2 Entry151
Page Intentionally Left Blank153
- Switching Conditions155
- Normal Climb157
- Speed Control158
- Speed Limit159
- To Resume Managed Speed159
- If a Specific Heading or Track Is Required160
- Lateral Guidance160
- To Resume NAV Mode160
- Intermediate Level-Off162
- Vertical Guidance162
- New CRZ ALT163
- Resuming Climb after Intermediate Level-Off163
- Step Alts163
- GPS Selection164
- EXPEDITE Climb170
- Supplementary Procedures170
- Scratchpad Messages180
- Check Gw181
Page Intentionally Left Blank183
- Switching Conditions185
- Reaching Cruise Flight Level186
- Normal Cruise188
- Speed Control189
- To Resume Managed Speed189
- Lateral Functions190
- Vertical Functions190
- Change Cruise Level191
- Flight Monitoring192
- WIND Data194
- Use of PERF CRZ Page195
- Use of PROG CRUISE Page197
- Descent / Alternate WINDS199
- MCDU Preparation199
- Preparation for Descent and Approach199
- Arrival200
- F-PLN Page200
- Check F-PLN201
- Enter/Revise Alternate Route201
- FUEL PRED Page202
- RAD NAV Page202
- Perf Page203
- PROG Page203
- Re-Pressurization Segment204
- Enter Destination Data205
- Prepare a Circling Approach208
- Secondary F-Pln208
- TOO STEEP PATH AHEAD S-Pad Message212
Table of Contents213
- Switching Conditions215
- Normal Descent216
- Selection of MCDU Pages217
- Managed Speed218
- Speed Control218
- If a Specific Speed Is Required219
- To Resume Managed Speed219
- If a Specific Heading or Track Is Required220
- Lateral Guidance220
- To Resume NAV Mode220
- Managed DESCENT Mode (DES)221
- Selected Vertical Modes (OP des - V/S)221
- Vertical Guidance221
- If HDG-TRK Is Selected222
- Level-Off222
- Typical Vertical Profile223
- Early Descent (Descent before T/D)224
- Variations224
- Late Descent225
- Expedite Descent Function226
- To Resume Normal Descent226
- F-Pln Sequencing230
- Clearing Wpts Already Passed Individually232
- Collapsing a Group of Wpts233
- Use of dir to RADIAL in Function234
- SEC F-PLN Activation237
- Use of PERF des Page238
- Use of PROG DESCENT Page239
- Check APP Selection240
- Cross References240
- Energy Circle240
- More Drag240
- Too Steep Path Ahead240
Table of Contents241
- Switching Conditions243
- Before Approach Activation245
- EFIS Display245
- Energy Circle245
- Radio Navaids245
- Nav Accuracy Check246
- Predictive GPS246
- F-PLN Sequencing247
- Selection of MCDU Pages247
- Approach Activation248
- Automatic Activation248
- Manual Activation249
- Speed Control250
- Approach Management251
- Vdev251
- Vertical Deviation Symbol251
- Trajectory Deviation Symbol252
- ILS or MLS253
- NPA (Non Precision Approach)255
- Circling261
- Nav Accur Downgrad264
- Final Approach Speed265
Page Intentionally Blank271
- Switching Conditions273
- Go-Around Initiation274
- Standard GO-AROUND274
- Acceleration276
- At THR RED Altitude276
- Lateral Guidance276
- Managed Mode276
- Selected Mode276
- At ACC ALT277
- RETURN for Another Approach278
- DIVERSION to ALTN Airport280
- ENABLE ALTN Function280
- Diversion Not Prepared283
- Using SEC F-PLN283
Table of Contents285
- Flight Deck Indications287
- Switching Conditions287
- MCDU Display288
- Pilots Routes288
- Sec F-Pln288
- Supplementary Information289
- Touch-And-Go Landings289
- Use of FMS During Base Training289
- Simsoft291
- Conditions for Switching to PREFLIGHT PHASE292
Mcdu Display297
- Mcdu Display300
- Selection of a Subsystem300
- Fmgc (Opp)302
- Fmgc (Own)302
- Fmgc (Req)302
- Fmgc (Time Out)302
Page Intentionally Left Blank317
- INSERT WPT(S) after the to WPT319
- Lateral Revisions319
- Route Revision319
- Change to WPT321
- DELETE WPT(S)322
- Overfly a Wpt (Ovfy)324
- Next Wpt325
- Airways326
- New Dest328
- Automatic Sequencing329
- F-Pln Sequencing329
- Manual Sequencing329
- At Departure331
- Stringing Rules331
- Change Selected SID (with or Without RWY Change)333
- Route334
- Manual Legs335
- At Arrival336
- Changes During Arrival337
- Incorrect Lateral Trajectory341
- Speed Anomaly During a TMPY F-PLN Insertion341
- DIR to Function342
- General342
- ABEAM PTS / DIRECT to Functions344
- If WPT Is in ACTIVE F-PLN344
- If WPT Is Not in ACTIVE F-PLN348
- Lateral Guidance350
- Notes350
- Dir to Radial in351
- DIR to RADIAL in / RADIAL out Functions351
- Dir to Radial out353
- Lateral Guidance355
- Access357
- HOLD Function357
- HOLD Page357
- Color Coding358
- COMPUTED and DATABASE Prompts358
- Title Page358
- Holding Parameters: INB CRS, TURN, TIME/DIST359
- Last Exit360
- ND Display361
- HOLD Entries362
- HOLD to an Altitude (HA)363
- HOLD to a Fix (HF)364
- HOLD at PPOS365
- HOLD with Manual Termination (HM)365
- HOLD at a Waypoint366
- Deceleration368
- Predictions and Guidance (HM)368
- When in HOLD369
- IMMEDIATE EXIT Prompt370
- RESUME HOLD Prompt370
- Time to Exit371
- HOLD Deletion372
- General373
- OFFSET Function373
- OFFSET Insert374
- Manual Deletion376
- OFFSET Deletion376
- Scratchpad Messages (Automatic Deletion)377
- ALTERNATE Function378
- ALTERNATES Page378
- Without ALTN in Navdb378
- With ALTN in Navdb381
- ENABLE ALTN Function385
- With ALTN RTE Entered in ACTIVE F-PLN386
- ALTN F-PLN Cruise Altitude388
- Without ALTN RTE Entered in ACTIVE F-PLN388
Vertical Constraints/Wind Data389
- Clb/Des Spd Lim [2L]391
- Vertical Constraints391
- To Enter or Modify CLB or des SPD LIM392
- To Delete CLB or des SPD LIM393
- Spd Cstr [3L]394
- Spd Limit Exceeded394
- To Enter or Modify a SPD CSTR at a WPT395
- SPD CSTR in CRZ397
- To Delete a SPD CSTR398
- Utc Cstr [2R]399
- To Enter UTC CSTR at a WPT400
- To Enter Estimated Time of Take-Off (ETT)401
- To Enter Desired Time of Arrival at DEST402
- To Delete or Modify UTC CSTR403
- UTC CSTR in SEC F-PLN403
- Alt Cstr [4R]404
- To Enter or Modify ALT CSTR at a WPT405
- Clb or des407
- ALT WINDOW Cstrs408
- To Delete ALT Cstrs409
- ALT Cstrs in APPROACH Procedure410
- Access411
- Wind Data411
Page Intentionally Left Blank449
- General451
- NAVIGATION Data451
- DATA INDEX 2/2 Page (All NAV Data)452
- Waypoint [1L]453
- Navaid [2L]454
- Runway [3L]456
- Route [4L]457
- Pilots Navaids [2R]461
- Pilots Runways [3R]463
- Pilots Routes464
- AC STATUS Page465
- DUPLICATE NAMES Page466
- Overview469
- RAD NAV Page469
- General Rules470
- RADIO NAV Page Description471
- Vor1/Freq [1L] - Freq/Vor2 [1R]471
- Crs [2L] - [2R]473
- Ils Crs [4L]474
- Ils/Freq [3L]474
- Mls [3R] - [4R]475
- Adf [5L] - [5R]476
- To Cancel Manually Tuned Navaids477
- Manual Selection of an ILS by a Frequency478
- Supplementary Information478
- POSITION Monitoring486
- DRIFT Rate Display Function487
- IRS MONITOR Page487
- GPS MONITOR Page489
- SELECTED NAVAIDS Page489
- DESELECT NAVAID Function490
- DESELECT GPS Function491
- GPS Status [5R]492
- Position Accuracy492
- Accuracy [6C]493
- ESTIMATED Position Error (EPE) [6R]493
- REQUIRED Navigation Performance (RNP) [6L]493
- Navigation Accuracy Cross-Check495
- PREDICTIVE GPS Function497
- DESELECT SATELLITE Function498
- MANUAL POSITION UPDATE Function499
- Check Irs (1)(2)(3)/Fm Position501
- Fms1/Fms2 Pos Diff501
- Map-Shift501
- Position Discrepancy501
Table of Contents503
- General Description505
- Preflight / Eosid506
- Take-Off508
- Climb510
- Cruise512
- Descent/Approach513
- Go-Around514
General Description/Wind Data515
- General Description517
- Flight Plan Init Request520
- INIT REQUEST from INIT a Page520
- INIT REQUEST from AOC FUNCTION Page523
- Before Engine Start524
- F-PLN DATA and PERF DATA UPLINK Messages524
- Data Insertion Via the SEC INIT a Page526
- Delete Uplinked Data Via the SEC INDEX Page527
- F-PLN UPLINK Deletion527
- Additional Messages529
- F-PLN UPLINK Scratchpad Messages529
- Normal Messages529
- Error Messages530
- To Data Request531
- TO DATA REQUEST Via PERF TAKE off Page531
- TO DATA REQUEST Via AOC FUNCTION Page536
- TAKEOFF DATA UPLINK Message537
- Take off Data Insertion540
- Error Message542
- Normal Message542
- TO DATA UPLINK Scratchpad Messages542
- Overview543
- Wind Data543
- Wind Request544
- WIND REQUEST from WIND Pages544
- WIND DATA UPLINK Message548
- Wind Data: Insertion/Deletion548
- Additional Messages553
- Error Messages553
- Normal Messages553
- WIND DATA UPLINK Scratchpad Messages553
- Overview554
- Position Report554
- Manual Position Report from PROG Page555
- Manual Position Report from AOC FUNCTION Page556
- Automatic Position Report557
- Progress Report557
- Flight Plan Report558
- Performance Data Report559
Page Intentionally Left Blank561
- Overview563
- Access to PRINT FUNCTION564
- Manual Print564
- Auto-Print566
- SEC F-PLN Print567
- Error Messages568
- Not Allowed568
- Printer Not Available568
- Flight Plan Init Report570
- Take off Data Report571
- Wind Data Report572
- Preflight Report573
- Inflight Report575
- Postflight Report577
- Secondary Preflight Report578
- Secondary Inflight Report580
Page Intentionally Left Blank583
- Chapter 1 - OVERVIEW585
Page Intentionally Left Blank625
- Definition of Scratchpad Messages629
- General Display Conditions629
- Message Deletion631
- Nd Fm Messages632
  - Center of ND632
  - Bottom of ND633
- Pfd Fm Messages632
- Mcdu Scratchpad Messages634
Page Intentionally Blank647
- Default Chapter649
- Chapter 5 - ND SYMBOLS685
  - Navigation Lateral Symbols687
  - Vertical and Performance Symbols689
- Chapter 6 - ABBREVIATIONS691

Thales FMGS - Switching Conditions

Table of Contents