sentence1: The crash of Aerosucre Flight 4544 was the first aviation incident involving Aerosucre , the second being the crash of another Boeing 727 on November 18 , 2006 .
sentence2: The crash of Aerosucre Flight 4544 was the second flight incident involving Aerosucre , the first being the crash of another Boeing 727 on November 18 , 2006 .