AIM

4/3/14

9−1−4

Types of Charts Available

2. IFR Enroute High Altitude Charts

(Conterminous U.S. and Alaska).

Enroute high

altitude charts are designed for navigation at or above

18,000 feet MSL. This four−color chart series

includes the jet route structure; VHF NAVAIDs with

frequency, identification, channel, geographic coor-

dinates; selected airports; reporting points. Scales

vary from 1 inch = 45nm to 1 inch = 18nm. 55 x 20

inches folded to 5 x 10 inches. Revised every 56 days.

(See FIG 9−1−3 and FIG 9−1−5.)

FIG 9

−1−4

Alaska Enroute Low Altitude Chart

FIG 9

−1−5

Alaskan Enroute High Altitude Chart