Iberia
IB
ICAR Airlines
C3
Icaro
1I
Icelandair
FI
Improtex – Imair
IK
Impulse Airlines
VQ
Indian Airlines
IC
Intercontinental Colombia
RS
Intensive Air
IM
Inter Air Lines
D6
Interbrasil Star
Q9
International Business Air
U5
Iran Air
IR
Iraqi Airways
IA
Island Air
IS
Islands Nationair
CN
Islandsflug – Icebird Airline
HH
Israir
6H
Istanbul Airlines
IL
Italair
B8