All Skymasters by Country

C- Canada
CC- Chile
CS- Portugal
D- Germany
EC- Spain
EI- Ireland
F- France
G- United Kingdom
N USA with 1 number
N USA with 2 numbers
N USA with 3 numbers
N USA with 4 numbers
N USA with 5 numbers
OO- Belgium
PH- Netherlands
SE- Sweden
ZK- New Zealand

Still to come

A2-
AP-
B-H
C5-
CP-
CR-
CX-
DQ-
EL-
EP-
ET-
HA-
HB-
HC-
HI-
HK-
HL-
HR-
HS-
I-
J5-
JA-
LN-
LQ-
LV-
OB-
OE-
OH-
OY-
P2-
PI-
PJ-
PK-
PT-
PZ-
RA-
RP-
ST-
SU-
SX-
TF-
TG-
TI-
TL-
TN-
TR-
TT-
TU-
TY-
VH-
VP-G
VP-W
VP-Y
VQ-L
VR-C
VR-H
VT
XA- XB- XC-
XT-
XU-
YS-
YV-
Z-
ZP-
ZS- ZU-
4X-
5A-
5B-
5H-
5R-
5T-
5U-
5V-
5Y-
6W-
6Y-
7P-
7Q-
8R-
9J-
9Q-
9V-
9XR-