How to Read Your BlueChart® g2 ID Code

All BlueChart g2 cartridges are identified by a 7- or 8-digit ID code. This identification system uses the following convention:

Garmin datacards:

BlueChart Part Number Chart

microSD™/SD™ cards:

BlueChart Part Number Chart

Region (xx) codes include the following:

AE = Asia, East (Japan, China, Indonesia, etc.)
AW = Asia, West
EU = Europe (includes Mediterranean Sea)
RU = Eastern Europe / Russia
SA = South America
AF = Africa
CA = Canada
PC = Pacific Ocean (Australia, New Zealand, etc.)
US = U.S. and the Caribbean

Size of coverage (z) codes include:

P = petite/ x small
S = small
R = regular
L = large
X = x-large