140 db - According to http://www.geocities.com/rf-man/db.html
1952 may the 2nd 1000s of people gaverd round to see it take off hope i helped......this is true i now what i rite
When a jet plane moves on land, it is called taxiing. The engine thrust of the plane allows the plane to move without actually taking off until it is ready.
When a jet plane accelerates on the runway, the engines convert chemical energy from fuel into kinetic energy of motion. This kinetic energy increases as the plane gains speed, allowing it to overcome inertia and take off into the air.
Jet?
The new airplane's propulsion wasn't as good because it crashed during the process.
Some plane's are made to take off and land on water
It depends on the plane of course. But a small to midsize jet, like a Boeing 737, takes off at roughly 135 knots. (155 MPH, 250 KPH) It's not necessarily the size of the jet though. It depends on the weight of the plane. The heavier the plane, the faster the takeoff speed.
Depends on the plane
When a jet leaves the airport it is called take-OFF
Any that are classified as VTOL (Vertical take off and landing) craft. Some of the most recognizable are the Harrier Jump Jet and the V22 Osprey.
280kmph.
The V-22 Osprey is the newest Army "helicopter" that can lift off vertically. The Harrier Jet is the US Marine fighter jet that takes off vertically.