Why do airline pilots say heavy?

Wake turbulence poses a major risk to other aircraft, so pilots and ATC use the term “heavy” in radio transmissions as a reminder that the aircraft's wake may be dangerous to others passing behind or below the flightpath of these larger-mass aircraft.



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Pan-Pan, short for “possible assistance needed,” is used to communicate an urgent, but not emergency, situation over VHF radio, in the case of aviation, to air traffic control. Examples could include a recreational pilot getting lost, or perhaps needing to climb to a higher altitude to sort a problem out.

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The Boeing 757 is a mid-size, narrow-body twin-engine jet airliner that was designed and built by Boeing. The B753 is member of the B757 family of aircraft. Note: Common practice is to consider B757 as 'HEAVY' (H) for the purpose of assessing wake turbulence generated by this aircraft.

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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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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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The number of “souls” on an aircraft refers to the total living bodies on the plane: every passenger, pilot, flight attendant and crew member, according to Lord-Jones. Pilots often report the number of “souls” when declaring an emergency, she says, so rescuers know the amount of people to search for.

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A Proper Takeoff Call First, let them know who you are, where you are, and then what you'd like to do. Try to give them as much information as possible so they can plan appropriately.

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An overloaded aircraft may not be able to leave the ground, or if it does become airborne, it may exhibit unexpected and unusually poor flight characteristics. If not properly loaded, the initial indication of poor performance usually takes place during takeoff.

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Most likely, it won't be comfortable, but you'll still fit at 300. Try and book next to an empty seat, if you can.

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Weight class is based are assigned by APO130 based on the TFMS observed aircraft codes. There are 6 categories -- (A) Heavy, (B) B757, (C) Large Jet, (D) Large Commuter, (E) Medium, (F) Small.

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