CODE RED is used by the flight attendants to alert fellow crew members that a passenger is experiencing cardiac arrest and to grab certain medical equipment.
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Former pilot Bubb told Newsweek that two dings mean the plane is climbing through 10,000 feet and/or the pilots are asking flight attendants to prepare the cabin for landing. A whoosh sound means the landing gear is extending in preparation for landing, Bubb added.
The ICAO Phonetic Alphabet is meant to decrease risk and misunderstanding and improve communication between those involved in air travel. Many letters and phrases sound too similar, for example, the letters “p” and “b” may sound the same over the radio. So instead, pilots would say “papa” or “bravo”.
“Yellow” will get a person an additional check at the airport, and a “green” rating is supposed to provide smooth passage through the airport screening process. After the commercial database check, travelers are then run through the government's various terrorist watch list databases, Hatfield said.
7000. ICAO. VFR standard squawk code when no other code has been assigned. EASA countries. Code that pilot shall set when not receiving air traffic services, unless otherwise prescribed by the competent authority.
Pilots use the NATO (North Atlantic Treaty Organization) Phonetic Alphabet to communicate. Pilots never pronounce letters when they are transmitting to Air Traffic Control, and vice-versa. Instead, each letter of the alphabet is assigned a code word to represent the letter.
The phrase five by five can be used informally to mean good signal strength or loud and clear. An early example of this phrase was in 1946, recounting a wartime conversation.
Whether flying at night or during the day, pilots need to see some kind of horizon. They use this to determine the airplane's attitude. At night pilots will turn their gaze from outside to inside and use the artificial horizon. The artificial horizon is normally a simply globe split into two hemispheres.
The squawk code 7500 is an emergency code used by pilots to inform ATC of a plane hijacking taking place, which means that the pilots have either been forced to change course or are no longer in control of the aircraft.