| A | B |
| CAB | FORMER GOVERNAMENTAL AGENCY THAT REGULATED AIRLINES |
| CAB | CIVIL AERONAUTICS BOARD |
| DOT | A FEDERAL AGENCY THAT REGULATES ALL TRANSPORTAITON |
| FAA | RESPONSIBLE FOR PASSENGER SAFETY EX. LICENSE PILOTS |
| NTSB | INVESTIGATES ALL AVIATION ACCIDENTS |
| INTERLINE AGREEMENTS | AMONG AIRLINES FOR SELF REGULATION EX. STANDARD TICKETS |
| ATA | AN AIRLINE TRADE ASSOCIATION |
| ARC | AIRLINE REPORTING CORPORATION-FORMED BY ATA OWNED JOINTLY BY THE AIRLINES-CENTRALIZED SYSTEM FOR PROCESSING TICKETS |
| MAJOR AIRLINE | OFFERS LONG HAUL SCHEDULED FLIGHTS |
| CHARTER | NONSCHEDULED CARRIER THAT RENTS TO A TOUR COMPANY |
| CODESHARING | AN AGREEMENT BETWEEN 2 AIRLINES ALLOWING ONE AIRLINE TO USE THE CODE OF THE LARGER |
| EQUIPMENT | TYPE OF AIRCRAFT |
| TURBOJETS | AIRCRAFT THAT USES JET ENGINES |
| TURBOPROPS | AIRCRAFT THAT USES PROPELLERS |
| WIDE BODY | AIRCRAFT WITH 2 AISLES |
| CONFIGURATION | SEATING ARRANGEMENT |
| SEAT PITCH | LEGROOM |
| CABIN | INTERIOR OF THE PLANE |
| FIRST CLASS | PREMIUM CLASS |
| BUSINESS CLASS | BETWEEN 1ST & COACH |
| COACH CLASS | LEAST EXPENSIVE CLASS |
| BULKHEAD | PARTITIONS THAT FORM A SEPARTATION WALL BETWEEN DIFFERENT CLASSES |
| BULKHEAD SEATS | SEATS BEHIND BULKHEAD-OFFER MORE LEG ROOM |
| ADULT | 12 & OVER |
| CHILD | 2-11 |
| INFANT | UNDER 2 |
| UM | UNACCOMPANIED MINOR |
| NON-STOP | ORIGIN TO DESTINATION NO STOPS |
| DIRECT FLIGHT | ORIGIN TO DESTINATION ON ONE AIRCRAFT WITH ONE OR MORE STOPS |
| BUFFER ZONE | 225 MILES INTO CANADA & MEXICO |
| ONE WAY | ORIGIN TO DESTINATION WITHOUT RETURN TO ORIGIN |
| ROUND TRIP | ORIGIN TO DESTINATION WITH RETURN TO ORIGIN` |
| CIRCLE TRIP | ROUND TRIP WITH TWO OR MORE STOP OVERS |
| OPEN JAW | ROUND TRIP OR CIRCLE TRIP WITH A NON-AIR SEGMENT |
| ARUNK | SURFACE SECTION OF AN OPEN JAW |
| CRS | COMPUTER RESERVATION SYSTEM |
| PNR | PASSENGER NAME RECORD |
| ARINC | LINK THAT ALLOWS EACH AIRLINE COMPUTER SYSTEM TO COMMUNICATE WITH OTHER AIRLINE SYSTEMS |
| NO-REC | NO RECORD |
| ITINERARY | PASSENGER SCHEDULE |
| LEG/SEGMENT | EACH INDIVIDUAL FLIGHT ON THE ITINERARY |
| FLIGHT COUPON | TICKET TO FLY |
| BOARDING PASS | PERMISSION TO GET ON THE PLANE |
| ATB | AUTOMATED TICKET/BOARDING PASS |
| CONJUNCTION TICKET | MORE THAN 4 FLIGHTS ON ITINERARY |
| ELECTRONIC TICKETING | TICKETLESS TRAVEL |
| COMMISION | A PERCENTAGE PAID TO TRAVEL AGENCIES FOR SELLING A SUPPLIER'S PRODUCT |
| BAGGAGE ALLOWANCE-DOMESTIC | 3 PIECES |
| SMALL BAG | 45" |
| MEDIUM BAG | 55" |
| LARGE BAG | 62" |
| MAXIMUM WEIGHT FOR LUGGAGE | 70 LBS |