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U.S. Department of TransportationU.S. Department of Transportation IconUnited States Department of TransportationUnited States Department of Transportation
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TermsDefinitions
Certificated Air CarrierAn air carrier holding a Certificate of Public Convenience and Necessity issued by DOT to conduct scheduled services interstate. Nonscheduled or charter operations may also be conducted by these carriers. (same as Certified Air Carrier) ( Airline On-Time Performance Data )
Certified Air CarrierAn air carrier holding a Certificate of Public Convenience and Necessity issued by DOT to conduct scheduled services interstate. Nonscheduled or charter operations may also be conducted by these carriers. (same as Certificated Air Carrier) ( Airline On-Time Performance Data )
City Market IDAn identification number assigned by US DOT to identify a city market. Use this field to consolidate airports serving the same city market. ( Air Carrier Summary Data (Form 41 and 298C Summary Data), Air Carrier Statistics (Form 41 Traffic)- All Carriers, Aviation Support Tables, Airline On-Time Performance Data, Airline Origin and Destination Survey (DB1B), Air Carrier Statistics (Form 41 Traffic)- U.S. Carriers )
Class I Motor CarriersCarriers having annual carrier operating revenues (including interstate and intrastate) of $10 million or more after applying the revenue deflator formula in Note A. (Note A contains a deflator based on the Producer Price Index. It is available in 49 CFR 369) ( Motor Carrier Financial & Operating Information )
Class II Motor CarriersCarriers having annual carrier operating revenues (including interstate and intrastate) of at least $3 million but less than $10 million after applying the revenue deflator formula in Note A. (Note A contains a deflator based on the Producer Price Index. It is available in 49 CFR 369) ( Motor Carrier Financial & Operating Information )
Class III Motor CarriersCarriers having annual carrier operating revenues (including interstate and intrastate) of less than $3 million after applying the revenue deflator formula in Note A. (Note A contains a deflator based on the Producer Price Index. It is available in 49 CFR 369) ( Motor Carrier Financial & Operating Information )
CodeshareAn arrangement whereby a marketing carrier's code is used to identify a flight operated by another carrier. The marketing carrier may make reservations and issue tickets for the operating carrier's flights. ( Airline Origin and Destination Survey (DB1B) )
Commercial OperatorA person who, for compensation or hire, engages in the carriage by aircraft in air commerce of persons or property, other than as an air carrier or foreign air carrier or under the authority of 14CFR375. Where it is doubtful that an operation is for compensation or hire, the test applied is whether the carriage by air is merely incidental to the person's other business or is, in itself, a major enterprise for profit. ( Air Carrier Financial Reports (Form 41 Financial Data) )
CommodityProducts that an establishment produces, sells, or distributes. This does not include items that are considered as excess or byproducts of the establishment's operation. For the Commodity Flow Survey, respondents reported the description and the five-digit Standard Classification of Transported Goods (SCTG) code for the major commodity contained in the shipment, defined as the commodity with the greatest weight in the total shipment. ( Commodity Flow Survey (CFS) )
Common CarrierA business or agency that is available to the public for transportation of persons, goods, or messages. ( Motor Carrier Financial & Operating Information )
Commuter Air CarrierAn air taxi that provides scheduled passenger service between two points at least 5 days a week. ( Small Air Carrier Statistics (Form 298C Traffic Data) )
Commuter TripSee Journey-to-Work. ( Census Transportation Planning Package (CTPP) 1990 )
Completed DeparturesTakeoffs made at an airport. (same as Departures Performed) ( Small Air Carrier Statistics (Form 298C Traffic Data) )
Consolidated Metropolitan Statistical Area (CMSA)A CMSA is a metropolitan complex of I million or more population, containing two or more component parts designated as primary metropolitan statistical areas (PMSAs). ( Nationwide Personal Transportation Survey (NPTS) )
If an MSA has a population of 1 million or more and meets requirements specified in the standards, it is termed a CMSA, consisting of two or more major components, each of which is recognized as a primary metropolitan statistical areas (PMSA). ( Nationwide Personal Transportation Survey (NPTS) )
Contract CarrierFor Hire interstate operators [which] offer transportation services to certain shippers under contracts. ( Motor Carrier Financial & Operating Information )
CouponA piece of paper or series of papers indicating the itinerary of a passenger. An airline ticket includes an auditor's coupon, flight coupons, and a passenger receipt. ( Airline Origin and Destination Survey (DB1B) )
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