I am reminded of the time when Hillary! was making one of her junkets overseas. She and her other beauties were set to depart Andrews when they were told they had too much baggage. When they finally got going, the airplane had to abort a take-off due to engine problems (flames were observed at the exhaust of one of the engines). The headline on Free Republic was:
Hillary Overweight - Blows Flames Out Rear!
Why post an answer when you haven't the slightest idea what you are talking about?
When I take off in two-seat Cessna single engine trainer with a second passenger and full fuel, do you think I should alert the tower that "Cessna-two-eight-zero-heavy is ready for takeoff"? LOL!
(As others have said here, "heavy" originally identified 747s, 1011s, and DC10s, and has grown to include other wide body aircraft that generate substaintial wake turbulence.)
ML/NJ