What does Niner Niner mean in aviation?

AFAIK, “niner” was adopted as the international ATC pronunciation for” nine” many years ago, along with several other reforms in the use of language (english) in ATC, for the purpose of minimizing miscommunications between aircraft and ground controllers, particularly when one or both parties do not have english as ...



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How do pilots greet each other in the air (from different planes)? You pull up alongside, perform the line action for undoing your window (remember manual windows in cars?), and when both yours and his windows are open, it is typical to ask for a cup of sugar.

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The word heavy means a larger aircraft type, with a Maximum Takeoff Weight of 160 tonnes or more. These aircraft create wake turbulence from their wings and require extra separation between following aircraft, and the use of heavy reminds other pilots of that fact.

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Regarding the number of people onboard an aircraft, the term soul was used to count the number of passengers and crew. The word can be traced back to the great sailing ships of the 18th century. Back then, many ships were lost at sea, and the missing dead sailors were called lost souls.

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The callout from the pilots like LOC blue serves to remind themselves of the current flight guidance modes, and to maintain awareness of mode changes. This is also to ensure that their mental idea of what the aircraft will do next is up to date and fits to the current flight situation.

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A pilot who encounters a Distress condition should declare an emergency by beginning the initial communication with the word “Mayday,” preferably repeated three times.

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Most flights are intended to spend as little time as possible over water, since storms are more common over the ocean than on land. An aircraft would not be safe to fly over the Pacific Ocean due to the stormy weather and frequent lightning strikes that occur there.

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Fox is short for foxtrot, the NATO phonetic designation for the letter F, which is short for fire. The radio call announcing that a weapon has been fired is intended to help avoid friendly fire, alerting other pilots to avoid maneuvering into the path of the munition.

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(In 1957, the English phonetic alphabet changed the R to Romeo, but by that time, Roger was deeply embedded in the minds of pilots.) So, in short, Roger means r which stands for received. The word Roger means nothing more.

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Why do pilots tell you how high you are? Answer: It is normally part of the welcome aboard announcement as a matter of interest. We provide the time of the flight, the cruise altitude, landmarks of interest along way and the weather.

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Boeing aircraft like 747, 777 and 787, and Airbus birds like A300; A330; and A350 are classified into the heavy aircraft category with a maximum take-off weight exceeding 300,000 pounds. Hence, these large aircraft leave strong wake turbulence.

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Once the crew completes the pre-flight gear inspection, it's time to ignite the engine and take to the sky. These days however, it's much more common to hear pilots announce that the plane is “cleared for takeoff” — particularly on commercial flights — for the sake of brevity.

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