SA Airlink – Midlands Aviation
4Z
SA Alliance
Y2
Sabena-Belgian World Airlines
SN
Sabre Airways
TJ
SAETA – Sociedad Ecuatoriana de Aereos
EH
Safair
FA
Sahara Airlines
S2
Sakhalinskie Aviatrassy – SAT
HZ
SAM – Sociedad Aeonautica de Medellin
MM
Samara Airlines
E5
SAN – Servicios Aereos Nationales
WB
San Air Company
S3
SANSA – Servicios Aereos Nacionales SA
RZ
SATA Air Acores
SP
SATA International
S4
Saudi Arabian Airlines
SV
Sayakhat
W7
Scandinavian Airlines (SAS)
SK
Scenic Airlines
YR
Sempati Air
SG
Servicos Aeros Regionais
SL
Servivensa
VC
Shaheen Air International
NL
Shuswap Flight Centre
3S
Shuttle America
S5
Sibaviatrans
5M
Siberia Airlines
S7
Sichuan Airlines
3U
Sierra National Airlines
LJ
Sierra Pacific Airlines
SI
Silkair
MI
Singapore Airlines
SQ
SK Air
S9
Skargardsflyg
5Q
Sky Cabs
2E
Skyking
RU
Skyward Aviation
K9
Skyway Airlines / Midwest Express Connection
AL
Skywest Airlines
OO
Skywest Airlines
YT
Slovak Airlines – Slovenske Aerolinie
6Q
Sobelair
Q7
Solomon Airlines
IE
South African Airways (SAA)
SA
South African Express Airways
YB
Southern Winds
A4
Southwest Airlines
WN
Spanair
JK
Spirit Airlines
NK
SR,Swissair
SR
Star Airlines
2R
State Transport Company of Russia
R4
Suckling Airways
CB
Sudan Airways
SD
Sun Air
BV
Sun Country
SY
Sunflower Airlines
PI
Sunrise Airlines
OQ
Sunworld International Airways
SM
Surinam Airways / SLM
PY
Swazi Airlink
ZC
Swiss Wings
RQ
Syrianair – Syrian Arab Airlines
RB