Second Plane Impact on South Tower United Airlines Flight 175, the second plane in the 9/11 attacks, struck the South Tower (2 World Trade Center) between floors 77 and 85. This impact occurred at approximately 9:03 a.m. on September 11, 2001, hitting the south face of the building.

Key Facts

  • Exact Floors : The Boeing 767 impacted primarily floors 77 through 85, severing key structural columns and igniting massive fires fueled by jet fuel.
  • Speed and Damage : Traveling at about 590 mph, the plane created a gaping hole, with debris including its starboard engine ejecting out the east and north sides, landing blocks away.
  • Casualties : All 65 people aboard (51 passengers, 9 crew, 5 hijackers) died instantly, along with hundreds inside the tower; the South Tower collapsed just 56 minutes later at 9:59 a.m.

Eyewitness and Video Context

Multiple videos captured the strike from angles like news helicopters and street-level cameras, showing the plane's rapid descent and ensuing fireball. Recent online discussions, such as in Reddit's r/911archive (as of 2025), revisit these clips, noting the plane's size and speed in zoomed footage.

"United Airlines Flight 175... impacted floors 77 to 85 of the South Tower."

TL;DR : Floors 77-85 on the South Tower's south face.

Information gathered from public forums or data available on the internet and portrayed here.