| Terms | Definitions |
|---|
| Maintenance Expense | All expenses, both direct and indirect, specifically identifiable with the repair and upkeep of property and equipment. ( Air Carrier Financial Reports (Form 41 Financial Data) ) |
| Market (Using DB1B Data) | A Market in DB1B data is created by a trip break. Trip Breaks are points in the itinerary at which a passenger is assumed to have stopped for a reason other than changing planes. For example: an itinerary BOS-LAS-BOS would have two markets BOS-LAS and LAS-BOS. The trip break occurred at LAS. ( Airline Origin and Destination Survey (DB1B) ) |
| Market (Using T100 Data) | Market data are passenger, freight, and/or mail that enplane and deplane between two specific points, while the flight number remains the same. If the flight number changes a new market begins. For more details go to Frequently Asked Questions. ( Air Carrier Statistics (Form 41 Traffic)- All Carriers ) |
| Market data are passenger, freight, and/or mail that enplane and deplane between two specific points, while the flight number remains the same. If the flight number changes a new market begins. For more details go to Frequently Asked Questions. ( Air Carrier Statistics (Form 41 Traffic)- U.S. Carriers ) |
| Marketing Carrier | An air carrier that issued a flight reservation or ticket under a codeshare agreement. ( Airline Origin and Destination Survey (DB1B) ) |
| Means of Transportation | A mode used for going from one place (origin) to another (destination). Includes private and public modes, as well as walking. For all travel day trips, each change of mode constitutes a separate trip. ( Nationwide Personal Transportation Survey (NPTS) ) |
| A mode used for going from one place (origin) to another (destination). Includes private and public modes, as well as walking. For all travel day trips, each change of mode constitutes a separate trip. The following transportation modes, grouped by major mode, are included: ( Nationwide Personal Transportation Survey (NPTS) ) |
| Metropolitan Area | A large population nucleus, together with adjacent communities that have a high degree of economic and social integration with that nucleus. A metropolitan area (MA) may be defined around two or more nuclei. The MA is a statistical standard designated and defined by the Office of Management and Budget, following a set of official published standards. An MA comprises one or more counties except in New England where MAs are composed of cities and towns rather than whole counties. Classifications of MAs include metropolitan statistical area (MSA) and consolidated metropolitan statistical area (CMSA) that is divided into primary metropolitan statistical areas (PMSA). ( American Travel Survey (ATS) 1995 ) |
| Metropolitan Statistical Area | A relatively freestanding metropolitan area (MA) that is not closely associated with other MAs. These areas typically are surrounded by nonmetropolitan counties. A metropolitan statistical area (MSA) comprises one or more counties except in New England where MSAs are composed of cities and towns rather than whole counties. ( American Travel Survey (ATS) 1995 ) |
| An MSA is a county or group of contiguous counties that contains at least one city with a population of 50,000 or more or a Census Bureau-defined urbanized area of at least 50,000 with a metropolitan population of at least 100,000. In addition to the county or counties that contain all or part of the main city or urbanized area, an MSA may contain other counties that are metropolitan in character and are economically and socially integrated with the main city. ( Census Transportation Planning Package (CTPP) 1990 ) |
| Metropolitan Statistical Area (MSA) | An MSA is a county or group of contiguous counties that contains at least one city with a population of 50,000 or more or a Census Bureau-defined urbanized area of at least 50,000 with a metropolitan population of at least 100,000. In addition to the county or counties that contain all or part of the main city or urbanized area, an MSA may contain other counties that are metropolitan in character and are economically and socially integrated with the main city. ( Nationwide Personal Transportation Survey (NPTS) ) |
| Mid Atlantic Division | New York, New Jersey, Pennsylvania ( American Travel Survey (ATS) 1995 ) |
| Mile | A statute mile (5,280 feet). All mileage computations are based on statute miles. ( Air Carrier Statistics (Form 41 Traffic)- All Carriers, Air Carrier Statistics (Form 41 Traffic)- U.S. Carriers ) |
| Mode Of Transportation | The type of transportation used for moving a shipment to its domestic destination. For exports, the domestic destination is the port of exit. ( Commodity Flow Survey (CFS) ) |
| Motorized Vehicle | Includes all vehicles that are licensed for highway driving. Specifically excluded are snow mobiles, minibikes, etc. ( Nationwide Personal Transportation Survey (NPTS) ) |
| Mountain Division | Montana, Idaho, Wyoming, Colorado, New Mexico, Arizona, Utah, Nevada ( American Travel Survey (ATS) 1995 ) |
| Multiple Modes | Parcel, U.S. Postal Service or courier shipments or shipments for which two or more of the following modes of transportation were used: private truck, for-hire truck, rail, shallow draft vessel, deep draft vessel, or pipeline. ( Commodity Flow Survey (CFS) ) |
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