| Field Name | Description | 
|---|
|
| AirOpExpense | 00020 - Total Aircraft Operating Expense (Direct Operating Expense) (000) | Analysis | 
|
| FlAttExpense | 00050 - Flight Attendant (000) | Analysis | 
| FoodExpense | 00060 - Food (000) | Analysis | 
| OthInFlExpense | 00070 - Other Inflight (000) | Analysis | 
| PaxSvcExpense | 00080 - Total Passenger Service Expense (000) | Analysis | 
|
| LineSvcExpense | 00100 - Line Servicing (000) | Analysis | 
| ControlExpense | 00110 - Control (000) | Analysis | 
| LandingFees | 00120 - Landing Fees (000) | Analysis | 
| AirSvcExpense | 00130 - Total Aircraft Servicing Expense (000) | Analysis | 
|
| TrafficExpPax | 00150 - Directly Assignable To Passenger (000) | Analysis | 
| TrafficExpCargo | 00160 - Directly Assignable To Baggage  And Cargo (000) | Analysis | 
| TrafficExpOth | 00170 - Not Directly Assignable (000) | Analysis | 
| TrafficExpense | 00180 - Total Traffic Servicing Expense (000) | Analysis | 
|
| ResExpPax | 00200 - Directly Assignable To Passenger (000) | Analysis | 
| ResExpCargo | 00210 - Directly Assignable To Cargo (000) | Analysis | 
| ResExpOth | 00220 - Not Directly Assignable (000) | Analysis | 
| ResExpense | 00230 - Total Reservation And Sales Expense (000) | Analysis | 
|
| AdExpPax | 00250 - Directly Assignable To Passenger (000) | Analysis | 
| AdExpCargo | 00260 - Directly Assignable To Cargo (000) | Analysis | 
| AdExpInst | 00270 - Institutional Advertising (000) | Analysis | 
| AdExpense | 00280 - Total Advertising And Publicity Expense (000) | Analysis | 
|
| AdminExpense | 00290 - General And Administrative Expense (000) | Analysis | 
|
| DeprExpMaint | 00340 - Depreciation Expense - Maintenance Equipment (000) | Analysis | 
|
| Amortization | 00350 - Amortization (Other Than Flight Equipment) (000) | Analysis | 
|
| TransportExp | 00370 - Transport Related Expense (000) | Analysis | 
|
| TotalOpExpense | 00380 - Total Operating Expense (000) | Analysis | 
|
| MaintPropEquip | 00310 - Maintenance-Ground Property And Equipment (000) | Analysis | 
| DeprPropEquip | 00320 - Depreciation-Ground Property And Equipment (000) | Analysis | 
| MaintDepr | 00330 - Total Maintenance And Depreciation - Ground (000) | Analysis | 
| SvcSalesOpExp | 00360 - Total Servicing, Sales And General Operating Expenses (000) | Analysis | 
|
| AirlineID | An identification number assigned by US DOT to identify a unique airline (carrier). A unique airline (carrier) is defined as one holding and reporting under the same DOT certificate regardless of its Code, Name, or holding company/corporation. | Analysis | 
| UniqueCarrier | Unique Carrier Code. When the same code has been used by multiple carriers, a numeric suffix is used for earlier users, for example, PA, PA(1), PA(2). Use this field for analysis across a range of years. | Analysis | 
| UniqueCarrierName | Unique Carrier Name. When the same name has been used by multiple carriers, a numeric suffix is used for earlier users, for example, Air Caribbean, Air Caribbean (1). |   | 
| Carrier | Code assigned by IATA and commonly used to identify a carrier. As the same code may have been assigned to different carriers over time, the code is not always unique. For analysis, use the Unique Carrier Code. |   | 
| CarrierName | Carrier Name |   | 
| UniqCarrierEntity | Unique Entity for a Carrier's Operation Region. | Analysis | 
| CarrierRegion | Carrier's Operation Region. Carriers Report Data by Operation Region | Analysis | 
| CarrierGroupNew | Carrier Group New | Analysis | 
| CarrierGroup | Carrier Group Code.  Used in Legacy Analysis | Analysis | 
|
| Year | Year |   | 
| Quarter | Quarter (1-4) | Analysis |