Record locator
In airline reservation systems, a record locator is an alphanumeric or alpha code used to identify and access a specific record on an airline’s reservation system. An airline’s reservation system automatically generates a unique record locator whenever a customer makes a reservation or booking, commonly known in the industry as an itinerary. When an itinerary is entered into the reservation system it is commonly known as a passenger name record (PNR). An itinerary may be entered into the system by a passenger, travel agent or airline employee. The record locator typically appears on the itinerary provided to the passenger, and may be described as a confirmation number, reservation number, confirmation code, booking reference, booking code, or vendor locator, or other description, depending on the reservation system. Format Record locators are created by each computer reservation system (CRS) and are specific to that CRS. They are typically 6 alphanumeric characters in length, though reservation systems using record locators of 7 or 8 characters exist. Record locators are unique within a given CRS at a specific point in time. Because the number of character combinations in characters is finite, albeit very large, record locators may be reused once the PNRs to which