Flight 93 Radio Transmission

Commentary from AirDisaster.com: United Airlines Flight 93 was hijacked on September 11, 2001 near Cleveland, Ohio. The aircraft crashed some time later in a field in south-western Pennsylvania. The hijackers can be heard twice mistakenly transmitting messages intended for the passengers over the Cleveland ARTCC frequency. Please note that this tape is not chronologically accurate; periods of dead air (silence) have been removed for brevity. [Emphasis added]