V1 (takeoff decision speed), VR/V2 (takeoff speed)
The Boeing 767 I flew today was about 145,000lbs
below max gross takeoff weight on both legs of
our Houston/Newark/Houston trip. Our speeds were:
V1 123 Knots (141 MPH)
VR 127 K (146 MPH)
V2 132 K (152 MPH)
The takeoff weight was about 260,000lbs.
We were flight panned at . 82 mach, or 490 kts
true airspeed (563 MPH) at 37,000 ft. Take in
to account the winds at altitude, which generally
blow west to east, and in the jet stream at speeds
of 100 to 200 MPH, and our Ground Speed will
increase or decrease accordingly.
The FAA mandates that all aircraft do
not exceed 250 Knots indicated below 10,000 feet.
Above that we accelerate to our flight planned
speed. At the lower flight levels, indicated speed
can be as high as 350 Knots.
Maximum altitude is 41,000 ft.
Maximum Mach is . 84, or 84 % of the speed of sound
at altitude.
Pretty cool huh?
Originally posted by HEMI®Dart
While you guys are here, a guy at work just got back from a trip to Chicago. He took a commercial airliner. He was asking me how fast the plane gets going on the runway to take off. I said 100mph? He said he has drivin that fast, but this seemed much faster.
How fast in mph does the plane go when it reaches crusing attitude also?
He is curious.