Flight 11
Sweeney calmly reported on her line that the plane had been hijacked; a man in first class had his throat slashed; two flight attendants had been stabbed - one was seriously hurt and was on oxygen while the other's wounds seemed minor; a doctor had been requested; the flight attendants were unable to contact the cockpit; and there was a bomb in the cockpit...
Flight 175
They used knives (as reported by two passengers and a flight attendant), Mace (reported by one passenger), and the threat of a bomb (reported by the same passenger).
They stabbed members of the flight crew (reported by a flight attendant and one passenger).
Both pilots had been killed (reported by one flight attendant)...
At 0900, Lee Hanson received a second call from his son Peter: "It's getting bad, Dad - a stewardess was stabbed - they seem to have knives and Mace - they said they have a bomb -
Flight 77
The hijackers used knives (reported by one passenger) and moved all the passengers (and possibly crew) to the rear of the aircraft (reported by one flight attendant and one passenger)...
At some point between 0916 and 0926, Barbara Olson called her husband, Ted Olson, the solicitor general of the United States.She reported that the flight had been hijacked, and the hijackers had knives and box cutters... About a minute into the conversation, the call was cut off.
Flight 93
At 0932, a hijacker, probably Jarrah, made or attempted to make the following announcement to the passengers of Flight 93: "Ladies and Gentlemen: Here the captain, please sit down keep remaining sitting. We have a bomb on board. So, sit." (More about flight 93 below.)