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7H Era Aviation
AA American Airlines
AC Air Canada
AF Air France
AM Aeromexico Aerovias de Mexico S.A. de C.V.
AO Australian Airlines Limited
AP Air One
AQ Aloha Airlines Inc.
AR Aerolineas Argentinas
AS  Alaska Airlines
AT Royal Air Maroc
AY Finnair Oyj
AZ Alitalia-Linee Aeree Italiane
B2 Belavia
BA British Airways
BD British Midland Airways Ltd. dba bmi
BR EVA Airways Corporation
BW BWIA West Indies Airways Limited
CI China Airlines
CM Compania Panamena de Aviacion, S.A. (COPA)
CO Continental Airlines, Inc.
CY Cyprus Airways
DE Condor Flugdienst GmbH
DL Delta Air Lines, Inc.
EI Aer Lingus Limited
F9 Frontier Airlines, Inc.
FI Icelandair
FJ Air Pacific Ltd.
FT Siem Reap Airways International
GF Gulf Air Company G.S.C.
HA Hawaiian Airlines Inc.
HP America West Airlines, Inc.
IB  Iberia - Lineas Aereas de Espana
IE Solomon Airlines
IG Meridiana S.p.A.
JJ TAM Linhas Aereas
JK Spanair S.A.
JM Air Jamaica Limited
JR Aero California
KE Korean Air Lines Co. Ltd.
KL KLM Royal Dutch Airlines
KM Air Malta p.l.c.
KS Penair
LA Lan Airlines S.A.
LG Luxair
LH Deutsche Lufthansa AG
LI LIAT
LO  LOT - Polish Airlines
LP Lan Peru S.A.
LR LACSA
LX SWISS International Air Lines Ltd. dba Swiss
MK Air Mauritius
MX Compania Mexicana de Aviacion, S.A. de C.V.
NT Binter Canarias
NW Northwest Airlines
OK Czech Airlines a.s., CSA
OS Austrian Airlines, Osterreichische Luftverkehrs AG
PG Bangkok Airways Co. Ltd.
PK  Pakistan International Airlines
QF Qantas Airways Ltd.
QQ Alliance Airlines Pty Limited
QR Qatar Airways (W.L.L.)
R7 Aserca Airlines, C.A.
RG Varig
SB Air Caledonie International
SK Scandinavian Airlines System
TA Taca International Airlines, S.A.
TG Thai Airways International Ltd.
TP TAP - Air Portugal
TU Tunis Air
TZ American Trans Air
UA United Airlines, Inc.
US  US Airways
VH Aeropostal Alas de Venezuela C.A.
VS Virgin Atlantic Airways
XL Lan Ecuador - Aerolane Lineas Aereas Nacionales de
YX Midwest Airlines, Inc.
ZL Hazelton Airlines dba Regional Express