
Experts have revealed the true meaning of secret codes used by flight attendants on commercial flights. Some have a rather unsettling significance.
According to the UNILAD portal, experts from Wander have unveiled the meaning behind six secret codes used by flight attendants to communicate among the crew.
Unlike what is seen in movies, the phrases and signals are more discreet and less alarming for passengers. For instance, codes 300 and Angel are used to indicate that a passenger has passed away on board.
Meanwhile, the signal Squawk or Hotel indicates that a hijacking is in progress on the aircraft.
“If you hear this code mentioned by the crew or air traffic control, it signals a potential security threat to the flight,” experts warn.
To alert about non-severe medical emergencies, flight attendants use the code Yellow, unlike the code Pan-Pan, which signals a serious but “non-fatal” emergency, whether mechanical or medical.

The code Adam derives from the Adam Walsh Child Safety Act and signals the disappearance of a child.
And lastly, perhaps one of the most well-known codes, is VIP, which has a double meaning. It can indicate the presence of very important people or very annoying ones.
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