CHAPTER TITLE: En-Route Operations
Below is a list of the figures (diagrams, charts, and pictures) from the IPH Chapter 2. They are listed in the order they are found in the Instrument Procedures Handbook.
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FIGURE 2-1
Code of Federal Regulations, Title 14 Aeronautics and Space.

FIGURE 2-2
Airways depicted on an aeronautical chart.

FIGURE 2-3
Victor airways.

FIGURE 2-4
Jet routes.

FIGURE 2-5
Air Route Traffic Control Centers.

FIGURE 2-6
Boston Air Route Traffic Control Center.

FIGURE 2-7
Flight progress strips.

FIGURE 2-8
Fort Worth Air Route Traffic Control Center.

FIGURE 2-9
Low altitude sectors.

FIGURE 2-10
Intermediate altitude sectors.

FIGURE 2-11
High altitude sectors.

FIGURE 2-12
Ultra high altitude sectors.

FIGURE 2-13
Air Route Traffic Control Centers and sector frequencies.

FIGURE 2-14
Chart Supplement (includes Airport/Facility Directory section).

FIGURE 2-15
Preferred IFR routes.

FIGURE 2-16
14 CFR Part 95 sub-routes.

FIGURE 2-17
Non-Part 95 sub-routes.

FIGURE 2-18
Sub-route wider than existing route.

FIGURE 2-19
Tower En Route Control (TEC) Northeast U.S. (Eastern).

FIGURE 2-20
Chart Supplement (NE), Tower En Route Control route descriptions (Baltimore).

FIGURE 2-21
Chart Supplement (NE), Tower En Route Control route descriptions (Allentown).

FIGURE 2-22
Chart Supplement (NE), Tower En Route Control route descriptions (Atlantic City).

FIGURE 2-23
Low frequency airway G13.

FIGURE 2-24
IFR en route low altitude (left) and high altitude (right) charts.

FIGURE 2-25
Information found on en route low altitude charts.

FIGURE 2-26
Victor airways.

FIGURE 2-27
LF/MF airways.

FIGURE 2-28
Low altitude RNAV routes.

FIGURE 2-29
Low altitude RNAV route data.

FIGURE 2-30
Joint Victor/RNAV airway.

FIGURE 2-31
IFR en route high altitude chart.

FIGURE 2-32
Navigation reference system (NRS) waypoints.

FIGURE 2-33
High altitude jet routes.

FIGURE 2-34
MEAs on RNAV (Q) routes.

FIGURE 2-35
Joint jet/RNAV routes.

FIGURE 2-36
Zanesville VOR/Victor Airway 214.

FIGURE 2-37
LF/MR airway width.

FIGURE 2-38
Primary obstacle clearance area.

FIGURE 2-39
Non-mountainous obstacle clearance in the primary area.

FIGURE 2-40
Secondary obstacle clearance area.

FIGURE 2-41
Primary and secondary obstacle clearance area.

FIGURE 2-42
Changeover points.

FIGURE 2-43
Changeover point effect on long airway or route segment.

FIGURE 2-44
Direct route navigation.

FIGURE 2-45
Published RNAV jet routes.

FIGURE 2-46
Excerpt of authorized areas of en route operation.

FIGURE 2-47
Off-route obstacle clearance altitude.

FIGURE 2-48
Random RNAV route.

FIGURE 2-49
Navigational course guidance gaps.

FIGURE 2-50
VOR test facilities (VOT) frequencies.

FIGURE 2-51
VOR checkpoint signs.

FIGURE 2-52
Instrument panel with dual VORs.

FIGURE 2-53
Fly-by and fly-over waypoints.

FIGURE 2-54
Floating waypoints.

FIGURE 2-55
Computer navigation fix.

FIGURE 2-56
U.S. standard RNP levels.

FIGURE 2-57
Maximum authorized altitude (MAA).

FIGURE 2-58
Minimum obstacle clearance altitude (MOCA).

FIGURE 2-59
Minimum turning altitude (MTA).

FIGURE 2-60
Turning area at the intersection fix with NAVAID distance less than 51 NM.

FIGURE 2-61
Minimum turning altitude information located in the remarks section of FAA Form 8260-16 Transmittal of Airways/Route Data.

FIGURE 2-62
Minimum crossing altitude (MCA).

FIGURE 2-63
Minimum crossing altitude (MCA) determination point.

FIGURE 2-64
En route chart minimum crossing altitude data (outside of the U.S.).

FIGURE 2-65
MVA chart.

FIGURE 2-66
Cruising altitude or flight level.

FIGURE 2-67
Altimeter setting changes.

FIGURE 2-68
ATC reporting procedures.

FIGURE 2-69
Two-way radio communications failure transponder code.

FIGURE 2-70
Holding pattern design criteria template.

FIGURE 2-71
ATC holding instructions.

FIGURE 2-72
Clearance limit holding.

FIGURE 2-73
Maximum holding speeds for different altitudes.
