Figure 2-7 Updating Chart (CHUM)

CHAPTER TWO

T-6A NAVIGATION

TPC H-24B Edition 14, Apr 94

Add:

Tower

369 - 594

32 08 06N

90 35 49W

Change:

Tower to Multi Towers

314 - 594

31 42 25N

89 09 50W

ADD

Tower

295 - 500

31 25 25N

88 09 40W

Change:

Tower 230 735

453 943

31 56 51N

87 07 54W

Add:

Multiple Towers

230 525

31 22 56N

86 32 24W

Change:

Tower 265-607 to Multi Towers

298 607

31 05 58N

88 13 51W

Add:

Tower

310 391

31 14 46N

87 44 03W

Figure 2-7 Updating Chart (CHUM)

Figure 2-7 shows a section from a CHUM supplement. In this example, changes to vertical

obstructions are shown with AGL/MSL altitudes and coordinates. In blue, plot all data within 10

NM of your course line. Plot CHUM annotations at the designated coordinates. Figure 2-8 is an

example of correct CHUM chart annotations, and remember CHUM annotations are the only

additional marks allowed inside the turnpoint or target symbols.

Figure 2-8 Correct CHUM Chart Annotations

210.

ANNOTATE CONFLICTING ROUTES

Minimizing the risk of mid-air collision is the priority of the route conflict annotations. One

source for this information is the current AP-1B Military Training Route Chart. As a minimum,

annotate all low altitude routes flown by VT-10/VT-4 aircraft (T-1/T-39 included). Refer to the

route conflict charts located in the Griffith Hall's chart room for non-AP-1B routes.

To annotate a route that shares a point in common with your low-level route, draw a dashed blue

arrow outside the turnpoint circle in the direction of the conflicting route. For conflicting routes

that only cross your low-level track, draw a dashed blue arrow indicating the direction of the

2-8

LOW-LEVEL CHART PREPARATION