Why do pilots call their plane heavy?


Why do pilots call their plane heavy? 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.


How heavy is an A380?

The A380 is the largest and heaviest passenger aircraft in the world. It is 73 meters long, 24 meters high, and has a takeoff weight of up to 560 tons. The Lufthansa A380 seats 509 passengers, and its four Rolls-Royce engines each generate 70000lbs of thrust.


What happens if a plane is too light?

When an airplane flies so light on passengers (and their luggage), passengers are either moved around the cabin or extra ballast is added to the baggage hold to make sure it all balances out. Airplanes function like a giant seesaw. By design, the center of gravity of the aircraft is near the main landing gear.


Do aircraft get heavier as they get older?

Over time, aircraft tend to gain weight, for example, when new layers of paint are added over the top of old coats. For this reason, it is good practice to periodically confirm the empty weight and empty center of gravity of a plane.


How do pilots know how high they are?

The altimeter measures the height of an aircraft above a fixed level. The instrument senses this by taking the ambient air pressure from the static port. That air is plumbed through the back of the panel and into the back case of the altimeter. Inside the altimeter is a sealed disc called an aneroid, or bellows.


Why do pilots say their plane is 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.


How do pilots know how heavy the plane is?

The operations department of the airline take the passenger, baggage and cargo information and collate this with the basic empty weight of the aircraft and the fuel load as determined by the pilots. They then feed this into a computer to calculate not only the gross weight of the aircraft but also the CoG at takeoff.


How fast can a 777 fly?

Boeing 777 – Mach 0.89 (682.87 mph) It has a maximum capacity of 396 passengers and completes long-haul flights with ease. The Boeing 777 has a cruise speed of Mach 0.77 (590.8 mph). The 777 is the most-produced Boeing wide-body jet, surpassing the Boeing 747.


Does the weight of the plane affect the flight?

Aviation Weight and Balance Namely, load distribution is the other factor of the flight that is most directly affected by the weight of the aircraft. This makes climbing and cruising much more difficult. To illustrate, a heavier aircraft will have a slower climb rate than one that is properly loaded and lighter.


Why do pilots love 747?

Many long-haul planes have pilot bunks. On some airplanes you have to pass through the passenger cabin to reach the bunks or lavatories; on others, like the 747, you need never leave the cockpit area and can move freely between the bunk and the bathroom in your pajamas.


Why do pilots say pan pan?

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.


Can a plane be too heavy to land?

The maximum landing weight (MLW) is the maximum aircraft gross weight due to design or operational limitations at which an aircraft is permitted to land. The MLW is set in order to ensure safe landings; if an aircraft weighs too heavy during touchdown, it may suffer structural damage or even break apart upon landing.