A system and method for estimating the impact of compressor fouling in a combined cycle power block. A final parking position of the aircraft is defined as being immediately adjacent to a position of the passenger loading bridge, such that when the aircraft is stopped at the final parking position, the passenger loading bridge requires only a telescopic extension of less than about 1 meter to complete the alignment operation. The receiver obtains the clock information in the data packet received and obtains the clock sent by the sender according to the clock information and the system clock. A collaborative author views the document details, section details and provides updates to a document in the document editor. Differences are analyzed by the coordinating system.