THE FRIENDLY SKIES — An Aeromexico plane from San Francisco to Mexico City was forced to make an emergency landing after a drunk passenger went nuts. <br /><br />The plane was forced to stop in Guadalajara after the man, who has not been publically identified, allegedly began attacking the flight crew, the Mercury News reported. <br />The trouble began on Aeromexico flight AM664 when the man started yelling mid-flight for no apparent reason. <br />He then started harassing other passengers and then flight attendants after they came over to handle the situation. <br />After making the emergency stop, it took four security guards to pull the highly combative passenger off the aircraft. <br />According to one of the passengers, he also tried biting people. Laura Aceves told the Mercury News that it took about 40 minutes to get the guy off the plane. <br /><br />She said he was hitting and punching other passengers as they went United on him, and that he reeked of alcohol.