| 2K | 547 | AEROLINEAS GALAPAGOS S.A. AEROGAL |
| 2M | 860 | MOLDAVIAN AIRLINES |
| 3A | 317 | ALLIANCE AIRLINES |
| 3K | 375 | JET STAR ASIA AIRWAYS |
| 3M | 449 | GULFSTREAM INTERNATIONAL |
| 3S | 278 | AEROLOGIC GMBH |
| 3U | 876 | SICHUAN AIRLINES CO.LTD. |
| 3V | 756 | TNT AIRWAYS S.A. |
| 3X | 435 | PREMIER TRANS AIRE |
| 4D | 903 | AIR SINAI |
| 4G | 579 | GAZPROMAVIA AVIATION COMPANY LTD. |
| 4S | 644 | SOLAR |
| 4X | 805 | MERCURY AIR CARGO D/B/A |
| 5C | 700 | C.A.L CARGO AIR LINESLTD. |
| 5D | 642 | AEROLITORAL, SLAL DE C.V. |
| 5H | 301 | STAR AIR 5H-301 |
| 5J | 203 | CEBU PACIFCI AIR |
| 5L | 275 | AEROSUR |
| 5T | 518 | CANADIAN NORTH AIRLINES |
| 5V | 492 | COMMUNITY EXPRESS AIRLINES LTD. |
| 5X | 406 | UNITED PARCEL SERVICE AIRLINES |
| 5Y | 369 | ATLAS AIR |
| 6C | 879 | CAPE SMYTHE AIR SERVICE INC |
| 6E | 984 | MALMO AVIATION SCHEDULE AB |
| 6F | 385 | LAKER AIRWAYS,INC. |
| 6M | 66 | MAJESTIC AIR |
| 6N | 556 | TRANS TRAVEL AIRLINES |
| 6R | 873 | AEROTRANSPORTE DE CARGA UNION S.A. DE CV |
| 7C | 575 | COYNE AIRWAY |
| 7D | 897 | DONBASSAERO AIRLINES |
| 7F | 245 | FIRST AIR |
| 7H | 808 | ERA AVIATION |
| 7I | 958 | INSEL AIR INTERNATIONAL B.V. |
| 7L | 501 | SILK WAY WEST AIRLINES |
| 7T | 144 | TRANSAM DEL ECUADOR |
| 7U | 428 | COMMERCIAL AVAITION SVC |
| 7V | 342 | AUSTIN EXPRESS,INC. |
| 7W | 461 | WIND ROSE AVIATION COMPANY |
| 7Z | 569 | LAKER AIRWAYS (BAHAMAS) LIMITED |
| 8B | 557 | CARIBBEAN STAR AIRLINES LTD |
| 8D | 506 | DULLES EXPRESS INC |
| 8F | 442 | WILBURS, INC. |
| 8K | 119 | K-MILE AIR CO., LTD. |
| 8L | 859 | LUCKY AIR |
| 8M | 599 | MYANMAR AIRWAYS INTL CO |
| 8N | 371 | MAHALO AIR, INC. |
| 8R | 945 | CMBGFCI |
| 8U | 546 | AFRIQIYAH AIRWAYS |
| 8V | 485 | ASTRAL AVIATION LTD., |
| 8Y | 0 | CHINA POSTAL AIRLINES |
| 9H | 493 | DUTCH ANTILLES EXPRESS |
| 9J | 321 | PACIFIC ISLAND AVIATION,INC |
| 9L | 426 | COLGAN AIR |
| 9N | 414 | TRANS STATE AIRLINES, INC. |
| 9P | 54 | PELANGI AIR SDN.BHD |
| 9U | 572 | AIR MOLDOVA |
| 9W | 589 | JET AIRWAYS (INDIA) LIMITED |
| 9Y | 452 | AIR KAZAKSTAN |
| A3 | 390 | AEGEAN AVIATION S.A. |
| A6 | 527 | AIR ALPS AVATION. |
| A9 | 606 | GEORGIAN AIRLINES |
| AA | 1 | AMERICAN AIRLINES, INC. |
| AB | 745 | AIR BERLIN GMBH & CO. |
| AC | 14 | AIR CANADA |
| AE | 803 | MANDARIN AIRLINES |
| AF | 57 | AIR FRANCE |
| AH | 124 | AIR ALGERIE |
| AI | 98 | AIR INDIA LIMITED |
| AJ | 179 | AZTEC WORLDWIDE AIRLINES |
| AK | 807 | AIRASIA SDN BHD |
| AM | 139 | AEROMEXICO |
| AP | 867 | AIR ONE S.P.A. |
| AQ | 327 | Aloha Air Cargo |
| AR | 44 | AEROLINEAS ARGENTINAS |
| AS | 27 | ALASKA AIRLINES, INC. |
| AT | 147 | ROYAL AIR MAROC |
| AU | 143 | AUSTRAL LINEAS AEREAS |
| AV | 134 | AEROVIAS DEL CONTINENTE AMERICANO S.A. |
| AY | 105 | FINNAIR OYJ |
| AZ | 55 | ALITALIA, LINEE AEREE ITALIANE |
| B3 | 208 | BELLVIEW AIRLINES LTD. |
| B7 | 525 | UNI AIRWAYS CORPORATION |
| B8 | 637 | ERITREAN AIRLINE |
| B9 | 491 | IRAN AIR TOURS |
| BA | 125 | BRITISH AIRWAYS |
| BD | 236 | BRITISH MIDLAND AIRWAYS LTD. |
| BE | 267 | FLYBE LIMITED |
| BF | 478 | MARKAIR |
| BG | 997 | BANGLADESH BIMAN AIRLINES |
| BI | 672 | ROYAL BRUNEI AIRLINES |
| BL | 550 | PACIFIC AIRLINES |
| BP | 636 | AIR BOTSWANA LTD. |
| BQ | 616 | OPEN JOINT-STOCK COMPANY BUKOVYNA |
| BR | 695 | EVA AIRWAYS CORPORATION |
| BT | 657 | AIR BALTIC CORPORATION SIA |
| BV | 928 | SUN AIR |
| BW | 106 | CARIBBEAN AIRLINES LIMITED |
| BY | 754 | BRITANNIA CARGO |
| C5 | 841 | COMMUTAIR |
| CA | 999 | AIR CHINA LIMITED |
| CB | 456 | TRANS CARIBBEAN AIR |
| CC | 318 | AIR ATLANTA ICELANDIC |
| CE | 567 | NATIONWIDE AIRLINES PTY LIMITED |
| CF | 804 | CHINA POSTAL AIRLINES LTD |
| CH | 872 | BEMIDJI AIRLINES |
| CI | 297 | CHINA AIRLINES |
| CJ | 782 | CHINA NORTHERN AIRLINES |
| CK | 112 | CHINA CARGO AIRLINES |
| CL | 175 | TEMPLEHOF AIRWAYS USA INC. |
| CM | 230 | COMPANIA PANAMENA DE AVIACION, S.A. |
| CN | 895 | GRAND CHINA AIR CO, LTD |
| CO | 5 | CONTINENTAL AIRLINES |
| CP | 3 | COMPASS AIRLINES INC. |
| CQ | 909 | CZECH CONNECT AIRLINES |
| CU | 136 | CUBANA DE AVIACION S.A. |
| CV | 172 | CARGOLUX AIRLINES INTERNATIONALS.A |
| CX | 160 | CATHAY PACIFIC AIRWAYS LTD. |
| CY | 48 | CYPRUS AIRWAYS LIMITED |
| CZ | 784 | CHINA SOUTHERN |
| D3 | 991 | DAALLO AIRLINES |
| D5 | 992 | DHL AERO EXPRESO, S.A. |
| D6 | 625 | INTER AIR |
| D7 | 429 | DINARLINEAS AEREAS S.A. |
| D9 | 733 | JSC DONAVIA |
| DA | 500 | AIR GEORGIA |
| DC | 749 | CARIBBEAN AIR CARGO CO. LTD |
| DD | 949 | ATLANTIC COAST JET INC. |
| DE | 881 | CONDOR FLUGDIENST GMBH |
| DF | 868 | AERO COACH |
| DI | 944 | DBA LUFTFAHRTGESELLSCHAFT MHB |
| DJ | 611 | AIR DJIBOUTI |
| DK | 630 | SCANAIR A/S |
| DL | 6 | DELTA AIR LINES INC. |
| DO | 113 | COMPANIA DOMINICANA DE AVIACION |
| DQ | 402 | GREAT WESTERN AIRLINES INC. |
| DT | 118 | TAAG-LINHAS AEREAS DE ANGOLA |
| DV | 655 | JSC AIRCOMPANY SCAT |
| E4 | 532 | AERO ASIA INT'L (PVT) LTD. |
| E6 | 417 | BRINGER AIR CARGO |
| E7 | 355 | ESTAFETA CARGE AEREA,S.A.DE C.V. |
| EF | 646 | EZNIS AIRWAYS CO. LTD. |
| EI | 53 | AER LINGUS TEORANTA |
| EK | 176 | EMIRATES |
| EN | 101 | AIR DOLOMITI S.P.A. |
| EO | 0 | AIR GO EGYPT |
| EP | 815 | IRAN ASEMAN AIRLINES |
| EQ | 269 | TAME LINEA AEREA DEL ECUADOR |
| ES | 155 | DHL INTERNATIONAL E.C. |
| ET | 71 | ETHIOPIAN AIRLINES CORPORATION |
| EU | 341 | ECUATORIANA DE AVIACION |
| EV | 862 | ATLANTIC SOUTHEAST AIRLINES INC. |
| EW | 104 | EUROWINGS AG |
| EY | 607 | ETIHAD AIRWAYS |
| EZ | 494 | EVERGREEN INTERNATIONAL AIRLINES |
| F7 | 33 | DARWIN AIRLINES SA |
| F9 | 422 | FRONTIER AIRLINES,INC. |
| FA | 640 | SAFAIR (PTY) LTD. |
| FB | 623 | BULGARIA AIR EADS |
| FD | 900 | THAI AIRASIA CO., LTD. |
| FE | 436 | FAR EASTERN AIR TRANSPORT CORP., |
| FF | 305 | TOWER AIR,INC. |
| FG | 255 | ARIANA AFGHAN AIRLINES |
| FH | 424 | MALL AIRWAYS, INC. |
| FI | 108 | ICELANDAIR |
| FJ | 260 | AIR PACIFIC LTD. |
| FK | 858 | AFICA WEST |
| FL | 332 | AIRTRAN AIRWAYS INC.. |
| FM | 774 | SHANGHAI AIRLINES |
| FQ | 752 | FENIX AIRWAY |
| FS | 393 | SYPHAX AIRLINES S.A. |
| FX | 23 | FEDERAL EXPRESS CORPORATION |
| G0 | 678 | GHANA INTERNATIONAL AIRLINES |
| G7 | 194 | GANDALF AIRLINES |
| GA | 126 | GARUDA INDONESIAN AIRWAYS |
| GB | 832 | AIRBORNE EXPRESS |
| GE | 170 | TRANS ASIA AIRWAYS |
| GF | 72 | GULF AIR |
| GG | 576 | SKY LEASE I, INC., d/b/a SKY LEASE CARGO |
| GI | 93 | AIR GUINEE |
| GL | 631 | GROENLANDSFLY A/S |
| GN | 185 | AIR GABON |
| GR | 358 | GEMINI AIR CARGO |
| GS | 826 | TIANJIN AIRLINES |
| GU | 240 | AVIATECA S.A. |
| GX | 368 | AIR ANT;RIO LIMITED |
| H2 | 605 | SKY AIRLINE S.A. |
| HA | 173 | HAWAIIAN AIRLINES INC. |
| HB | 495 | HARBOR AIRLINES,INC. |
| HF | 617 | HAPAG LLOYD FLUGGESELISCHAFT |
| HH | 89 | SOMALI AIRLINES |
| HK | 11 | SOUTH PACIFIC ISLAND AIRWAYS |
| HM | 61 | AIR SEYCHELLES LTD |
| HO | 18 | JUNEYAO AIRLINES CO., LTD.吉祥航空 |
| HU | 880 | HAINAN AIRLINES |
| HV | 979 | TRANSAVIA AIRLINES |
| HX | 851 | HONG KONG AIRLINES LTD. |
| HY | 250 | UZBEKISTAN AIRWAYS |
| HZ | 598 | SAKHALINSKIE AVIATRASSY AIRLINES |
| IB | 75 | IBERIA OPERADORA |
| ID | 326 | AIRMAX AIRLINES, INC. |
| IE | 193 | SOLOMON AIRLINES |
| IG | 191 | MERIDIANA SPA |
| IJ | 0 | SPRING AIRLINES JAPAN C |
| IQ | 614 | AUGSBURG AIRWAYS |
| IR | 96 | IRAN AIR |
| IT | 608 | TIGERAIR TAIWAN |
| IY | 635 | YEMEN AIRWAYS(YEMENIA) |
| IZ | 238 | ARKIA ISRAELI AIRLINES LTD. |
| J2 | 271 | AZERBAIJAN AIRLINES |
| J5 | 844 | Donghai Airlines Co. Ltd. |
| JA | 995 | AIR BOSNA |
| JF | 510 | L.A.B.FLYING SERVICE,INC. |
| JI | 189 | JADE CARGO |
| JJ | 957 | TAM LINHAS AEREAS S.A. |
| JK | 680 | SPANAIR S.A. |
| JL | 131 | JAPAN AIRLINES CO. LTD |
| JP | 165 | ADRIA AIRWAYS |
| JQ | 0 | JET STAR ASIA AIRWAYS |
| JS | 120 | AIR KORYO |
| JT | 0 | LION AIRLINES |
| JU | 115 | JUGOSLOVENSKI AEROTRANSPORT |
| JW | 842 | VANILLA AIR INC. |
| JX | 228 | BOUGAIR (NORTH SOLOMON AIR SERVICES |
| K4 | 272 | KALITA |
| K6 | 188 | CAMBODIA ANGKOR AIR LTD |
| K9 | 443 | TONLESAP AIRLINES CORP. |
| KA | 43 | HONG KONG DRAGON AIRLINES LTD. |
| KB | 787 | DRUK AIR CORPORATION LTD |
| KC | 465 | Air Astana CJSC |
| KE | 180 | KOREAN AIR |
| KH | 687 | Aeko Kula Inc. d/b/a Aloha Air Cargo |
| KJ | 691 | ISCARGO HF |
| KK | 610 | ATLASJET INTERNATIONAL AIRWAYS |
| KL | 74 | KLM ROYAL DUTCH AIRLINES |
| KM | 643 | AIR MALTA P.L.C. |
| KQ | 706 | KENYA AIRWAYS LTD. |
| KS | 339 | PENINSULA AIRWAYS INC |
| KU | 229 | KUWAIT AIRWAYS CORPORATION |
| KV | 264 | TRANSKEI AIRWAYS CORPORATION |
| KW | 100 | WATANIYA AIRWAYS |
| KX | 378 | CAYMAN AIRWAYS LTD. |
| KZ | 933 | NIPPON CARGO AIRLINES |
| L3 | 947 | DHL DE GUATEMALA |
| L7 | 985 | LINEA AEREA CARGUERA DE COLOMBIA S.A. |
| LA | 45 | LAN AIRLINES LA-045 |
| LC | 183 | VARIG LOGISTICA S.A. |
| LD | 288 | AIR HONGKONG |
| LG | 149 | LUXAIR |
| LH | 20 | DEUTSCHE LUFTHANSA AG |
| LI | 140 | LIAT(1974)LTD. |
| LJ | 0 | JIN AIR CO.LTD. |
| LL | 902 | LINEAS AEREAS ALLEGRO, S.A.DE C.V. |
| LN | 148 | LIBYAN AIRLINES |
| LO | 80 | POLISH AIRLINES 'LOT' |
| LP | 544 | LAN PERU S.A. |
| LR | 133 | LINEAS AEREAS COSTANICENSES S.A. |
| LT | 431 | JSC AIR LITUANICA |
| LV | 639 | ALBANIAN AIRLINESMAK S.H.P.K. |
| LW | 568 | PACIFIC WINGS |
| LX | 724 | SWISS INTERNATIONAL AIRLINES |
| LY | 114 | EL AL ISRAEL AIRLINES LIMITED |
| LZ | 196 | BALKAN BULGARIAN AIRLINES |
| M3 | 549 | ABSA CARGO |
| M6 | 810 | AMERIJET INTERNATIONAL |
| M7 | 865 | AERO TRANSPORTES MAS DE CARGO |
| MA | 182 | MALEV-HUNGARIAN AIRLINES |
| MB | 716 | MNG AIRLINES CARGO INC. |
| MD | 258 | AIR MADAGASCAR |
| ME | 76 | MIDDLE EAST AIRLINES-AIRLIBAN |
| MF | 731 | XIAMEN AIRLINES |
| MG | 558 | MGM GRAND INC. . |
| MH | 232 | MALAYSIAN AIRLINE SYSTEM-MAS |
| MI | 629 | SILKAIR(SINGAPORE)PRIVATE LIMITED |
| MK | 239 | AIR MAURITIUS LTD. |
| ML | 802 | AERO COSTA RICA ACORI S.A. |
| MN | 161 | COMAIR (PTY) LTD. |
| MO | 622 | CALM AIR INTERNATIONAL,LTD. |
| MP | 129 | MARTINAIR HOLLANDNV |
| MR | 861 | HUNNU AIR LLC |
| MS | 77 | EGYPTAIR |
| MU | 781 | CHINA EASTERN |
| MX | 132 | COMPANIA MEXICANA DE AVIACION S.A. |
| MY | 386 | MAXJET AIRWAYS INC. |
| N3 | 877 | AEROLINEAS MAS CARGO |
| N4 | 216 | LLC "NORD WIND" |
| N6 | 929 | AERO CONTINENTE |
| N7 | 7 | NATIONAL AIRLINES |
| N8 | 416 | NATIONAL AIR CARGO GROUP |
| NA | 455 | NORTH AMERICAN AIRLINES |
| NC | 345 | NORTHERN AIR CARGO, INC. |
| NF | 218 | AIRVANUATU |
| NG | 231 | LAUDA AIR LUFTFAHRTSGESELLSCHAFT. |
| NH | 205 | ALL NIPPON AIRWAYS CO. LTD. |
| NI | 685 | PGA-PORTUGALIA AIRLINES |
| NL | 740 | SHAHEEN AIR INTERNATIONAL LTD. |
| NQ | 819 | ORBI GEORGIAN AIRWAYS |
| NU | 353 | JAPAN TRANSOCEAN AIR CO.,LTD |
| NW | 12 | NORTHWEST AIRLINES INC. |
| NX | 675 | AIR MACAU |
| NY | 337 | TAMARAC AVIATION |
| NZ | 86 | AIR NEW ZEALAND |
| O3 | 921 | SF AIRLINES |
| OA | 50 | OLYMPIC AIRWAYS S.A. |
| OD | 816 | MALINDO AIRWAYS |
| OE | 460 | WESTAIR COMMUTER AIRLINES,INC. |
| OF | 620 | SUNSTATE AIRLINES |
| OH | 886 | COMAIR INC. |
| OJ | 211 | EMRIC AIRWAYS |
| OK | 64 | CZECH AIRLINES A.S. |
| OL | 704 | OLT-OSTFRIESISCHE LUFTTRANSPORT |
| OM | 289 | MIAT-MONGOLIAN AIRLINES |
| ON | 123 | AIR NAURU |
| OO | 302 | SKYWEST AIRLINES |
| OS | 257 | AUSTRIAN |
| OU | 831 | CROATIA AIRLINES |
| OV | 960 | ESTONIAN AIR |
| OX | 578 | ORIENT THAI AIRLINES |
| OZ | 988 | ASIANA AIRLINES |
| P5 | 845 | AEROREPUBLICA S.A. |
| P6 | 356 | TRANS AIR |
| P7 | 389 | PALAU AIRWAYS CORP. |
| PB | 967 | PROVINCIAL AIRLINES |
| PG | 829 | BANGKOK AIRWAYS CO. |
| PJ | 638 | AIR ST. PIERRE |
| PK | 214 | PAKISTAN INT'L AIRLINES CORPORATION |
| PL | 210 | AEROPERU |
| PO | 403 | POLAR AIR CARGO WORLDWIDE, INC. |
| PQ | 769 | BOGAZICI AIR TRANSPORT INC |
| PR | 79 | PHILIPPINE AIRLINES INC |
| PS | 566 | UKRAINE INTERNATIONAL AIRLINES |
| PU | 286 | PLUNA-PRIMERAS LINEAS URUGUAYAS |
| PX | 656 | AIR NIUGINI PTY LIMITED |
| PY | 192 | SURINAM AIRWAYS |
| PZ | 692 | TAM-TRANSPORTES AEREOS DEL MERCOSUR |
| QF | 81 | QANTAS AIRWAYS LIMITED |
| QI | 647 | CIMBER AIR A/S |
| QJ | 508 | JET AIRWAYS, INC. |
| QK | 983 | JAZZ AIR LP |
| QL | 721 | AIR LESOTHO (PTY) LTD |
| QM | 167 | AIR MALAWI |
| QN | 907 | AIR ARMENIA |
| QP | 853 | AIRKENYA AVIATION DBA REGIONAL AIR |
| QQ | 384 | RENO AIR,INC. |
| QR | 157 | QATAR AIRWAYS |
| QT | 729 | TAMPA AIRLINE |
| QV | 627 | LAO AVIATION |
| QX | 481 | HORIZON AIR INDUSTRIES,INC. |
| QY | 615 | EUROPEAN AIR TRANSPORT LEIPZIG GMBH |
| QZ | 169 | ZAMBIA AIRWAYS |
| R4 | 827 | RELIABLE UNIQUE SERVICE AVIATION |
| RA | 285 | ROYAL NEPAL AIRLINES |
| RB | 70 | SYRIAN ARAB AIRLINES |
| RF | 330 | FLORIDA WEST INTERNATIONAL AIRWAYS |
| RH | 713 | PT REPUBLIC EXPRESS AIRLINES |
| RJ | 512 | ALIA-THE ROYAL JORDANIAN AIRLINES |
| RK | 92 | AIR AFRIQUE |
| RL | 372 | AIRWAYS INTERNATIONAL, INC. |
| RN | 836 | EURALAIR INTERNATIONAL |
| RO | 281 | ROMANIAN AIR TRANSPORT(TAROM) |
| RP | 363 | CHAUTAUQUA AIRLINES |
| RU | 580 | AirBridge Cargo Airlines Limited |
| RV | 338 | REEVE ALEUTIAN AIRWAYS,INC. |
| S2 | 705 | JET LITE(INDIA) LTD. |
| S4 | 331 | SATA INTERNATIONAL SERVICE |
| S6 | 817 | SOUTH AMERICAN AIRWAYS |
| S7 | 421 | SIBERIA AIRLINES |
| SA | 83 | SOUTH AFRICAN AIRWAYS |
| SB | 63 | AIR CALEDONIE INTERNATIONAL |
| SC | 324 | SHANDONG AIRLINES |
| SD | 200 | SUDAN AIRWAYS |
| SG | 775 | SPICEJET |
| SK | 117 | SCANDINAVIAN AIRLINES SYSTEM-SAS |
| SN | 82 | SN BRUSSEL AIRLINES |
| SP | 737 | SATA AIR ACORES. |
| SQ | 618 | SINGAPORE AIRLINES |
| SS | 923 | CORSAIR |
| SU | 555 | CJSC AEROFLOT CARGO |
| SV | 65 | SAUDI ARABIAN AIRLINES |
| SW | 186 | AIR NAMIBIA |
| SX | 906 | SKYWORLD AIR CARGO |
| T0 | 530 | TRANS AMERICAN AIRLINES S.A |
| T3 | 300 | TRI STAR AIRLINES |
| TA | 202 | TACA INTERLNATIONAL AIRLINES S.A. |
| TB | 901 | TRANSPORTES AEREOS BOLIVIANOS |
| TC | 197 | AIR TANZANIA CORPORATION |
| TG | 217 | THAI AIRWAYS INTERNATIONAL LTD. |
| TK | 235 | TURKISH AIRLINES |
| TM | 68 | LINHAS AEREAS DE MOCAMBIQUE |
| TN | 244 | AIR TAHITI NUI |
| TP | 47 | TRANSPORTES AEREOS PORTUGUESES,E.P. |
| TR | 388 | TIGER AIRWAYS |
| TS | 649 | AIR TRANSAT A.T. INC. |
| TU | 199 | TUNIS AIR |
| TX | 427 | AIR CARAIBES |
| TY | 190 | AIR CALEDONIA |
| TZ | 366 | AMERICAN TRANS AIR |
| U1 | 770 | EURO BERLIN |
| U6 | 262 | URAL AIRLINES |
| U7 | 926 | MERIDIANA AFRICAN AIRLINES |
| U8 | 669 | ARMAVIA AIRCOMPANY |
| U9 | 966 | TATARSTAN JSC AIRCOMPANY |
| UA | 16 | UNITED AIRLINES INC. |
| UB | 209 | MYANMAR NATIONAL AIRLINES |
| UC | 145 | LAN CHILE CARGO S.A. |
| UF | 828 | UKRAINIAN MEDITERRANEAN AIRLINES LTD., |
| UG | 150 | SEVENAIR S.A. |
| UL | 603 | SRI LANKAN AIRLINES LIMITED |
| UM | 168 | AIR ZIMBABWE |
| UN | 670 | TRANSAERO AIRLINES |
| UO | 128 | Hong Kong Express Airways Limited |
| US | 37 | US AIR INC. |
| UT | 298 | UTAIR AVIATION JOINT-STOCK COMPANY |
| UU | 760 | AIR AUSTRAL |
| UX | 996 | AIR EUROPA LINEAS AEREAS, S.A. |
| UZ | 741 | NEFERTITI AVIATION |
| V4 | 946 | VENSECAR INTERNATION |
| VA | 164 | VIASA-VENEZOLANA INT. DE AVIACION |
| VH | 152 | AEROPOSTAL-ALAS DE VENEZUELA |
| VI | 381 | VIEQUES AIR LINK |
| VJ | 658 | ROYAL AIR CAMBODGE |
| VK | 786 | AIR NIGERIA DEVELOPMENT LIMITED |
| VM | 982 | REGIONAL AIRLINES |
| VN | 738 | VIETNAM AIRLINES JSC |
| VO | 734 | TYROLEAN AIRWAYS |
| VQ | 904 | VIKING HELLAS AIRLINES |
| VR | 696 | TRANSPORTES AEREOS DE CABO VERDE |
| VS | 932 | VIRGIN ATLANTIC AIRWAYS |
| VT | 135 | AIR TAHITI |
| VV | 870 | AEROSVIT AIRLINESS |
| VW | 942 | TRANSPORTES AEROMAR S.A. DE C.V. |
| VY | 986 | FORMOSA AIRLINES |
| VZ | 727 | MYTRAVEL AIRWAYS LIMITED |
| W5 | 537 | MAHAN AIR |
| W6 | 590 | WEST ISLE AIR |
| W8 | 489 | CARGOJET AIRWAYS LTD |
| WB | 459 | RWANDAIR EXPRESS |
| WD | 761 | DAS AIR LIMITED |
| WE | 307 | CENTURION AIR CARGO |
| WF | 701 | WIDEROE'S FLYVESELSKAP |
| WJ | 927 | LABRADOR AIRWAYS LTD. |
| WM | 295 | WINDWARD ISLANPS AIRWAYS INT'L |
| WN | 526 | SOUTHWEST AIRLINES |
| WO | 468 | WORLD AIRWAYS INC. |
| WP | 347 | HAWAII ISLAND AIR INC. |
| WR | 586 | WHEELER FLYING SERVICE,INC. |
| WS | 573 | GRAY LINE AIR |
| WU | 444 | AIR WEST AIRLINES,INC. |
| WV | 896 | MIDWEST AVIATION |
| WX | 187 | ANSETT AIRLINES OF NEW SOUTH WALES |
| WY | 910 | OMAN AIR (S.A.O.C) |
| XF | 277 | VLADIVOSTOK AIR |
| XJ | 582 | MESABA AIRLINES |
| XL | 462 | AEROLANE LINEAS AEREAS NACIONALE.. |
| XM | 524 | AUSTRALIAN AIR EXPRESS PTY LTD. |
| XN | 304 | AXON AIRLINES |
| XU | 487 | SPIRIT AIRLINES |
| XV | 451 | MISSISSIPPI VALLEY AIRLINES |
| XX | 624 | AERONAVES DEL PERU |
| Y2 | 693 | AFRICAN JOINT AIR SERVICE |
| Y4 | 67 | EAGLE AVIATION LTD. |
| Y8 | 871 | YANG TZE RIVER EXPRESS AIRLINES CO |
| YB | 486 | GOLDEN PACIFIC AIRLINES |
| YC | 60 | FLIGHT WEST AIRLINES |
| YH | 361 | SUNSPLASH AVIATION, LLC. |
| YM | 409 | MONTENEGRO AIRLINES |
| YN | 219 | AUR CREEBEC INC. |
| YO | 747 | HELI AIR MONACO |
| YR | 398 | SCENIC AIRLINES, INC. |
| YU | 551 | EUROATLANTIC AIRWAYS TRANSPORTES AEREOS |
| YV | 533 | MESA AIRLINES INC. |
| YX | 453 | MIDWEST AIRLINES |
| Z2 | 457 | ZEST AIRWAYS |
| Z3 | 757 | AVIENT LTD |
| Z5 | 9 | GMG AIRLINES LTD |
| Z6 | 181 | DNIEPROAVIA AVIATION COMPANY |
| Z7 | 247 | ZIMBABWE EXPRESS AIRLINES |
| Z8 | 195 | PULKOVO AVIATION ENTERPRISE |
| ZC | 141 | ROYAL SWAZ1 NATIONAL AIRWAYS CORP. |
| ZH | 479 | SHENZHEN AIRLINES |
| ZK | 846 | GREAT LAKES AVIATION, LTD. |
| ZL | 292 | AFFRETAIR (PTY) LTD. |
| ZM | 519 | WINNIPESAUKEE AVIATION INC. |
| ZN | 833 | KEY AIRLINES, INC. |
| ZP | 463 | SILK WAY AIRLINES |
| ZQ | 521 | CARIBBEAN SUN AIRLINES, INC. |
| ZV | 471 | AIR MIDWEST INC. |
| ZW | 303 | AIR WISCONSIN AIRLINES CORPORATION |
| ZX | 742 | AIRWEST AIRLINES LTD. |
