A NATO helicopter searching for an Afghan jetliner that disappeared during a snowstorm with 104 people aboard found what appeared to be the wreckage of the plane Saturday in the forbidding mountains east of the Afghan capital, officials said. "The wreckage of the plane was found near Band-e Ghazi," Gen. Mahbub Amiri, a senior Afghan commander, told The Associated Press. "It is in high mountains, full of snow. My forces are at the foot of the mountain and we're trying to get a helicopter in there." There was no immediate word on whether anyone survived the crash. The Kam Air Boeing 737-200 vanished from radar screens Thursday afternoon as it approached Kabul airport, sparking a massive search operation for the 96 passengers and eight crew members. About 21 foreigners were aboard, including three believed to be American working for a Massachusetts-based aid group. If all are confirmed dead, the incident will be Afghanistan's worst-ever aviation disaster. An official at the NATO headquarters in Kabul said the crash site was spotted by a Dutch Apache helicopter gunship. He had no further details. There was no indication that the Kam Air Boeing 737-200, which was arriving from the western Afghan city of Herat, was hijacked or brought down by a bomb, Defense Ministry spokesman Gen. Mohammed Zahir Azimi said earlier Saturday.