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[citation needed] In this respect, the phrase or its abbreviation is often paired with its complement, estimated time of departure (ETD), to indicate the expected start time of a particular journey. This information is often conveyed to a passenger information system as part of the core functionality of intelligent transportation systems .
Departure Time: Proposed and actual times of departure. Times are Universal Time Coordinated. Cruising Altitude: The planned cruising altitude or flight level. Route: Proposed route of flight. The route can be made up of airways, intersections, navaids, or possibly direct. Destination: Point of intended landing.
GPS Landing and Navigation System GLNU GPS Landing and Navigation Unit GLS GBAS Landing System GLU GPS landing unit GM guidance material GMM general maintenance manual GMT Greenwich Mean Time: GND ground: Airfield operations GP glide path See instrument landing system: GPP general practices and procedures GPS Global Positioning System: Avionics GPU
The Standard Schedules Information Manual (SSIM) published by the International Air Transport Association documents international airline standards and procedures for exchanging airline schedules and data on aircraft types, airports and terminals, and time zones. [1] SSIM is a file format that heavily compresses schedule information.
The specific time at which deployment for an operation commences. (US) L-Day For "Landing Day", 1 April 1945, the day Operation Iceberg (the invasion of Okinawa) began. [5] M-Day The day on which mobilization commences or is due to commence. (NATO) N-Day The unnamed day an active duty unit is notified for deployment or redeployment. (US) O-Day
In aviation, a standard terminal arrival route (STAR) is a published flight procedure followed by aircraft on an instrument flight rules (IFR) flight plan just before reaching a destination airport. A STAR is an air traffic control (ATC)-coded IFR arrival route established for application to arriving IFR aircraft destined for certain airports.
RTA or required time of arrival allows the VNAV system to target arrival at a particular waypoint at a defined time. This is often useful for airport arrival slot scheduling. In this case, VNAV regulates the cruise speed or cost index to ensure the RTA is met. The first thing the VNAV calculates for the descent is the top of descent point (TOD).
Observed is namely the average time of delay per month and the tendency of delays depending on the days of the week. It is clearly noticed that the average delay of a flight was larger in February, June, July and December. This seems to be strongly correlated with holiday periods. As can be expected September has a rather low average delay.