4K Azerbaijan
4L Georgia
4O Montenegro
4X Israel
5A Libya
5B Cyprus
5H Tanzania
5N Nigeria
5Y Kenya
6Y Jamaica
7T Algeria
9A Croatia
9H Malta
9K Kuwait
9M Malaysia
9V Singapore
A4O Oman
A6 United Arab Emirates
A7 Qatar
A9C Bahrain
AP Pakistan
B China/Taiwan
C Canada
C6 Bahamas
CC Chile
CN Morocco
CP Bolivia
CS Portugal
D Germany, subdivided into the following classes:
D-A (more than 20 tons MTOM)
D-B (more than 14 up to and including 20 tons MTOM)
D-C (more than 5,7 up to and including 14 tons MTOM)
D-E (single engine up to and including 2 tons MTOM)
D-F (single engine more than 2 up to and including 5,7 tons MTOM)
D-G (multi engine up to and including 2 tons MTOM)
D-H (helicopters)
D-I (multi engine more than 2 up to and including 5,7 tons MTOM)
D-K (motorgliders)
D-L (airships)
D-M (microlights)
D-nnnn (4-digit-number, gliders)
DQ Fiji
EC Spain
EI Ireland
EP Iran
ER Moldova
ES Estonia
ET Ethiopia
EW Belarus
F France
G United Kingdom of Great Britain and Northern Ireland
HA Hungary
HB Switzerland
HH Haiti
HL South Korea
HS Thailand
HZ Saudi Arabia
I Italy
JA Japan
JY Jordan
LN Norway
LX Luxembourg
LY Lithuania
LZ Bulgaria
M Isle of Man
N USA
OD Lebanon
OE Austria
OH Finnland
OK Czech Republic
OM Slovakia
OO Belgium
OY Denmark
P2 Papua New Guinea
P4 Aruba
PH Netherlands
PK Indonesia
PT Brazil
RA Russia
RP-C Philippines
S5 Slovenia
SE Sweden
SP Poland
SU Egypt
SX Greece
T7 San Marino
TC Turkey
TF Iceland
TS Tunisia
UP Kazakhstan
UR Ukraine
V5 Namibia
V8 Brunei
VH Australia
VP-B Bermudas
VP-C Cayman Islands
VQ-B Bermudas
VT India
XA Mexico
YA Afghanistan
YI Iraque
YL Latvia
YR Romania
YU Serbia
YV Venezuela
Z3 Macedonia
ZA Albania
ZK New Zealand
ZS South Africa
ZU South Africa