KEYNOMEN
AVIATION
About
Certificates
Pricing
Log In
Sign Up →
← IPH
Chapter 2 — En Route Operations
Showing 600 of 602 terms — Core List
(Sequenced as they appear in the chapter)
Core List
600
Full List
602
1
en route
2
departure procedure
3
arrival procedure
4
flight standards
5
14 CFR
6
FAA — Federal Aviation Administration
7
FAA Order 8260.3
8
obstacle clearance criteria
9
minimum altitudes
10
navigation performance
11
IFR — Instrument Flight Rules
12
communications requirements
13
NAVAID — Navigational Aid
14
GNSS — Global Navigation Satellite System
15
14 CFR Part 91, — 91.181
16
ground-based navigational aid
17
performance-based operations
18
14 CFR part 91
19
— 91.181
20
ATC — Air Traffic Control
21
Controlled Airspace
22
centerline
23
Code of Federal Regulations
24
Federal airway
25
fixes
26
SID — Standard Instrument Departure
27
flightpath
28
airways
29
Fix
30
SID — Standard Instrument Departures
31
VMC — Visual Meteorological Conditions
32
STAR — Standard Terminal Arrival
33
Airway
34
nautical miles
35
airway routing
36
flight levels
37
RVSM — Reduced Vertical Separation Minima
38
VFR — Visual Flight Rules
39
FL — flight level
40
published flight procedures
41
NAS — National Airspace System
42
AGL — above ground level
43
MSL — mean sea level
44
Victor airways
45
FL 450
46
MSL — above mean sea level
47
jet routes
48
Air Traffic Control Service
49
ARTCC — Air Route Traffic Control Center
50
IFR flight plans
51
Centers
52
en route phase of flight
53
low altitude airways
54
high altitude airways
55
Prohibited
56
random operations
57
radar systems
58
Restricted
59
Alert
60
IFR flight plan
61
Center
62
Warning areas
63
advisory/assistance services
64
altitude assignments
65
safe separation standards
66
ATC specialist
67
radar vectors
68
Military Operations Area
69
Flight Plan
70
MOA — Military Operations Area
71
ETA — Estimated TIME of Arrival
72
Prohibited Area
73
Restricted Area
74
sectors
75
Alert Area
76
radio frequency
77
approach controls
78
Warning Area
79
aircraft registration number
80
flight service centers
81
computerized radar systems
82
flight number
83
airway designation
84
decision support tools
85
two-way radio communication
86
sector
87
vector line
88
Lateral Separation
89
route line
90
CFRs
91
Vertical Separation
92
altitude assignment
93
military aviation control facilities
94
Departure Control
95
low altitude sectors
96
Speed Adjustment
97
Handoff
98
intermediate altitude sectors
99
radar vector
100
FAA National Aeronautical Information Services
101
flight progress strip
102
high altitude sectors
103
En Route Charts
104
Estimated Time of Arrival
105
FSS — Flight Service Station
106
flight progress board
107
on-the-job training
108
Transfer of Control
109
amended clearance
110
low altitude sector
111
intermediate altitude sector
112
situational awareness
113
high altitude sector
114
ultra high altitude sector
115
Center frequency boxes
116
flight service station
117
HAR — high altitude routing
118
SA — Situational Awareness
119
Pitch Point
120
Catch Point
121
CS — Chart Supplement
122
TCAS — Traffic Alert and Collision Avoidance System
123
DP — departure procedure
124
Pilot in Command
125
RNAV — Area Navigation
126
FL 350
127
Q-routes
128
sector frequency
129
Preferred IFR Routes
130
VHF — Very High Frequency
131
severe weather avoidance procedures
132
UHF — ultra high frequency
133
DME — Distance Measuring Equipment
134
safety of flight
135
VOR — very high frequency omnidirectional range
136
EGPWS — enhanced ground proximity warning system
137
VORTAC — very high frequency omnidirectional ranges/tactical air navigation
138
metropolitan area
139
TAWS — Terrain Awareness and Warning System
140
location identifiers
141
High Altitude Area Navigation Routing
142
sub-routes
143
Flight Program Operations
144
NDB — non-directional (radio) beacon
145
non-restrictive routing
146
VORTAC — very high frequency omnidirectional range/tactical air navigation
147
NRR — non-restrictive routing
148
SSV — standard service volume
149
high density terminals
150
MEA — minimum en route altitude
151
preferred IFR routing
152
Chart Supplement
153
VOR/VORTAC shutdowns
154
Aeronautical Information Services
155
TEC — Tower En Route Control
156
approach control airspace
157
Flight Program Operations (AJW-3)
158
city pairs
159
SUA — special use airspace
160
ATCAA — Air Traffic Control Assigned Airspace
161
tower-to-tower
162
area navigation
163
NOTAMs
164
Radar Monitoring
165
coded route identifier
166
Q-route
167
MAA — Maximum Authorized Altitude
168
preferred IFR route
169
L/MF — low or medium frequency
170
MRA — Minimum Reception Altitude
171
system efficiency
172
balanced traffic flows
173
RNAV route system
174
Green 13
175
route string
176
radar coverage
177
official location identifier
178
TAC — Terminal Area Chart
179
aircraft classification
180
Instrument Approach Procedure
181
Intersection
182
reporting points
183
satellite airports
184
substitute airway or route segment
185
Special Use Airspace
186
sub-route
187
L/MF airways
188
Military Training Routes
189
VOR/VORTAC shutdown
190
Green 13 (G13)
191
VOR airways
192
colored airways
193
flight inspection services
194
IFR En Route Charts
195
altitude strata
196
LF/MF airways
197
MOCA — minimum obstacle clearance altitude
198
NDB — non-directional beacon
199
radials
200
standard service volume
201
outbound radial
202
frequency protection
203
inbound bearing
204
limits of controlled airspace
205
controlled airspace centerline containment
206
VHF radio aids to navigation
207
RNAV routes
208
magnetic reference bearings
209
OROCA — off-route obstruction clearance altitude
210
GNSS MEA
211
temporary reporting point
212
Joint Victor/RNAV routes
213
jet route structure
214
Tower En Route Control
215
approach control area
216
Aeronautical Chart
217
route description
218
VHF Airways
219
CDI — Course deviation indicator
220
NOTAM — Notice to Air Missions
221
Airway and Route System
222
CFIT — controlled flight into terrain
223
magnetic reference bearing
224
fixed route system
225
Low or medium frequency
226
L/MF airway
227
RNAV Q-Route MEAs
228
turning areas
229
DME/DME/IRU
230
Airway/Route Depiction
231
joint Jet/RNAV routes
232
secondary obstacle clearance area
233
COP — change-over point
234
IFR en route chart
235
VOR radials
236
Terminal Area Chart
237
Changeover Point
238
flare
239
IFR En Route Low Altitude Chart
240
Compulsory Reporting Points
241
NM — nautical mile
242
TACAN — Tactical Air Navigation
243
operational service volume
244
class limits
245
Reporting Point
246
military training route
247
total system accuracy
248
colored airway
249
route designators
250
VOR station
251
Amber One
252
Composition of Designators
253
minimum obstacle clearance altitude
254
RNP 1
255
RNAV 2
256
route widths
257
COP — changeover point
258
ICAO spelling alphabet
259
IFR approved GNSS
260
INS — Inertial Navigation System
261
FMS — Flight Management System
262
TSO — Technical Standing Order
263
GPS — Global Positioning System
264
low altitude RNAV only route
265
offset COP
266
T-route
267
degree-distance fixes
268
dogleg segment
269
identification box
270
Waypoint
271
cylindrical service volumes
272
G suffix
273
latitude/longitude coordinates
274
Azimuth
275
Great Circle tracks
276
Joint Victor/RNAV route
277
frequency protected areas
278
IFR En Route High Altitude Chart
279
ATS — Air Traffic Service
280
selected airport
281
NRS — Navigation Reference System
282
NRS waypoint
283
RNAV Route MEA
284
DME/DME/IRU RNAV
285
Joint Jet/RNAV route
286
Victor airway navigation procedures
287
course deviation indicator
288
14 CFR Part 121
289
FROM indication
290
LF/MF airway width
291
off-route obstruction clearance altitude
292
AC 20-138C
293
en route obstacle clearance area
294
AC 90-105
295
ILS — Instrument Landing System
296
primary area
297
RNAV capability certification suffix
298
AMOTT intersection
299
marker beacons
300
secondary area
301
14 CFR part 95
302
AFSS — automated flight service stations
303
turning area
304
MEA GAP
305
total VOR system accuracy factor
306
navigation facility radial alignment displacement
307
navigational course guidance gap
308
receiver accuracy
309
MEL — Minimum Equipment List
310
primary obstacle clearance area
311
VOT — VOR test facility signal
312
change-over point
313
Morse code
314
course selector
315
MNPS — minimum navigation performance specifications
316
secondary obstacle clearance plane
317
track bar
318
Changeover Points
319
TO-FROM indicator
320
radio frequency interference
321
VOR Checkpoint Signs
322
NRS waypoints
323
OBS — omnibearing select
324
Direct Route Flights
325
Dual VOR Check
326
off-airway non-Part 95 routes
327
Airborne VOR Check
328
compulsory reporting point
329
direct Part 95 routes
330
cylindrical service volume
331
NDB Accuracy Check
332
MVA — Minimum Vectoring Altitude
333
MIA — Minimum IFR Altitude
334
navigation database
335
flight deck
336
Fly-OVER Waypoint
337
Route Segment
338
Fly-by Waypoint
339
FMS control display unit
340
Published RNAV Routes
341
air traffic service route
342
GPS moving map
343
User-defined waypoints
344
offset phantom waypoint
345
basic route designator
346
floating waypoints
347
internal monitoring
348
metering fixes
349
regional networks of ATS routes
350
holding points
351
remote status indicator
352
supplementary letter
353
AFSS — automated flight service station
354
gateway waypoints
355
supersonic
356
RNP 1 route
357
airborne navigation databases
358
tangential arc
359
ground track
360
overlay approaches
361
FAFs — sensor final approach fixes
362
NAV/E2 code
363
VOR/DME
364
DME arcs
365
PBN/C1-C4
366
signal-sampling receiver
367
ICAO — International Civil Aviation Organization
368
NAVAID accuracy check
369
RNP — Required Navigation Performance
370
spelling alphabet
371
multilateration
372
R suffix
373
containment
374
RNP level
375
RNP AR
376
MCA — Minimum Crossing Altitude
377
Random RNAV routes
378
degree-distance fix
379
departure transition fix
380
transition areas
381
arrival transition fix
382
control areas
383
AC — Advisory Circular
384
ROC — required obstacle clearance
385
RNAV accuracy check
386
RNP Operations
387
TERPS
388
barometric vertical navigation
389
Safety Alert
390
Great Circle track
391
RMI
392
Terrain/Obstruction Alert
393
authorized areas of en route operation
394
fix displacement area
395
Off-Airway Routes
396
POI — principal operations inspector
397
OpSpecs — Operations Specifications
398
public navigation facility
399
climb gradients
400
non-Part 95 route
401
SWAP — Severe Weather Avoidance Plan
402
14 CFR part 97
403
Part 95 route
404
FAF — Final Approach FIX
405
long-range navigation system
406
diverse vector areas
407
Minimum Equipment List
408
IFR Cruising Altitude or Flight Level
409
Class I navigation
410
VFR conditions on-top
411
— 91.159
412
Class II navigation
413
Altimeter Setting
414
NAT — North Atlantic
415
29.92 inches of mercury
416
Pilot/Controller Glossary
417
ER-OPS — extended range operations
418
Hg
419
— 91.121
420
magnetic unreliability
421
MTA — Minimum Turning Altitude
422
ADCs — air data computers
423
VFR conditions on top
424
cruise clearance
425
mountainous areas
426
ground-based NAVAID signal coverage
427
radio fixes
428
hPa — hectopascals
429
QFE — Altitude Above Ground
430
random RNAV route
431
company message
432
RNAV MEA
433
transition altitude
434
MIRAJ waypoint
435
transition level
436
Monitoring of Navigation Facilities
437
QNE — Barometric Pressure for Standard Altimeter Setting
438
Instrument Landing System
439
obstacle clearance requirements
440
QNH — Barometric Pressure for Local Altimeter Setting
441
minimum turning altitude
442
transition layer
443
en route obstacle clearance turning area
444
internal monitoring feature
445
noncompulsory reporting points
446
ATS Route
447
Navigational Gaps
448
VFR-on-top clearance
449
FAA Form 8260-16
450
FAA Form 8260-2
451
MEA step
452
dead reckon
453
minimum crossing altitude
454
cone of silence
455
Radar Contact
456
VOR accuracy
457
Transponder
458
VOT — VOR test facility
459
Ident
460
Morse code dots
461
MVA chart
462
1020-cycle tone
463
squawk
464
bearing error
465
Cruising Altitude
466
14 CFR Part 91, — 91.159
467
GPS/GNSS receivers
468
VOR checkpoint sign
469
communication failure
470
omnibearing select
471
— 91.185
472
14 CFR Part 91, — 91.177
473
squawking code 7600
474
ADF — Automatic Direction Finder
475
localizer frequency
476
RDOF
477
climb at pilot's discretion
478
system initialization
479
"Hg — inches of mercury
480
14 CFR Part 91, — 91.121
481
active flight plan
482
FPM — feet per minute
483
Afterburner
484
Enhanced Weather Information System
485
clearance readback/hearback error
486
Flight Level
487
TOC — top of climb
488
autopilot
489
TOD — Top of Descent
490
holding pattern
491
unpublished airspace fix
492
MHA — Minimum Holding Altitude
493
EFC — expect further clearance
494
airspace fix
495
Clearance Limit
496
ATC metering fix
497
Mach numbers
498
millibars
499
altimeter setting correction factor
500
Indicated Airspeed
501
STAR origination point
502
SID terminating point
503
Computer Navigation Performance
504
Standard Rate Turns
505
flight director system
506
overlay approach
507
Computer Navigation Fix
508
fuel state awareness
509
pressure altimeter
510
airport altimeter datum
511
CNF — Computer Navigation Fix
512
PM — pilot monitoring
513
diversion procedures
514
DME arc
515
idle thrust descent
516
position reports
517
Profile Descent
518
Required Navigation Performance
519
fan marker
520
speed adjustments
521
expect clearance
522
onboard navigation monitoring and alerting
523
Z marker
524
ADS-B — Automatic Dependent Surveillance-Broadcast
525
outbound leg
526
precipitous terrain
527
Standard RNP Levels
528
IFR En Route Altitudes
529
two-way radio communication failure
530
14 CFR Part 91, — 91.185
531
RNAV Minimum En Route Altitude
532
Maximum Authorized Altitude
533
Minimum Obstruction Clearance Altitude
534
squawk code 7600
535
GPS anomalies
536
required obstacle clearance
537
14 CFR Part 91, — 91.183
538
14 CFR Part 91, — 91.187
539
IFR no-radio operations
540
Turn Anticipation
541
ARTCC radio frequency outage
542
flyover protection
543
interphone lines
544
Radio Fix and Holding Data Record
545
climb gradient
546
Minimum IFR Altitude
547
altitude alerter
548
Minimum Vectoring Altitudes
549
readback/hearback error
550
altitude awareness
551
ASR — Airport Surveillance Radar
552
IFR cruising altitude
553
VFR-ON-TOP
554
Class a Airspace
555
obstacle clearance
556
flight level operations
557
climb in hold
558
lowest usable flight level
559
RVSM — reduced vertical separation minimums
560
air data computer
561
ADC — air data computer
562
Domestic Reduced Vertical Separation Minimum
563
DRVSM — Domestic Reduced Vertical Separation Minimum
564
holding instructions
565
block of airspace
566
inbound course
567
KIAS — knots indicated airspeed
568
31.00 " Hg
569
outbound leg length
570
FIR — Flight Information Region
571
hectopascals
572
Standard Rate Turn
573
TAS — true airspeed
574
En Route Reporting Procedures
575
emergency diversion airport
576
Non-Radar Position Reports
577
great circle
578
open triangle reporting point
579
bank angle
580
solid triangle reporting point
581
pilot flying
582
Position Report
583
Position Report Items
584
True Airspeed
585
GPS anomaly
586
AIM — Aeronautical Information Manual
587
backup radio receiver and transmitter system
588
relay via FSS radio
589
Climbing and Descending En Route
590
expedite climb
591
top of climb
592
top of descent
593
Mach Number
594
Holding pattern airspace
595
En Route Holding Procedures
596
holding clearance
597
expect further clearance time
598
Maximum Holding Speed
599
High Performance Holding
600
planned fuel burn
← Chapter 1: Departure Procedures
Chapter 3: Arrivals →
All IPH chapters →