While taking off, the cargo plane hit an electricity pole, crashed into a field and burst into flames. All four crew members were killed.

The two helicopters struck eachother in mid-air and crashed in a wooded area about 0.5 miles from Flagstaff Medical Center.

The cargo plane crashed mid-flight after entering an area of thunderstorms.

The plane went missing in an area approximately 60 miles south of Jakarta while on a aerial surveillance mission. Thirteen passengers and a crew of five were aboard.

The military helicopter developed a mechanical problem and crashed into a hill while attemping to land.

The cargo plane took off, reached about 200 feet, rolled over to the right and impacted the ground, nose first.

While landing in poor weather, the plane skidded off the runway, hit navigation poles and burst into flames. The plane had flown from Amman via Damascus but been turned back once from Khartoum and forced to land in Port Sudan, on the Red Sea, because of bad weather, before being allowed to return to Khartoum.

The medical helicopter crashed into the Sam Houston National Forest while transporting a patient to a Houston hospital.

The air taxi crashed about 18 km from its destination into a heavily wooded area. The pilot was the only casualty.

While landing at Toncontin Airport, the plane overran the runway, skidded across a street, struck cars and came to rest against an embankment. The runway was wet with rain from Tropical Storm Alma. Two crew members, one passenger and two on the ground were killed.

Chile's national police chief General Jose Alejandro Bernales, 59, and five others were killed when their helicopter crashed into a three story building. The helicopter pitched wildly before crashing into the building.

The crew of the cargo plane reported a fire shortly after taking off from Chelyabinsk. The plane crashed in a field while attempting to make an emergency landing, after striking a power transmission line.

The cargo plane overran the runway and split in two. There were only minor injuries among the crew.

The tour helicopter crashed near Banning House lodge in rain and poor visibility. The engine appears to have failed.

The cargo plane, carrying mail, crashed into a warehouse shortly after taking off and burst into flames. The plane appeared to be inverted before it crashed.

The float plane flipped and crashed as it attempted to land in Lake Chelan near Stehekin Lodge. It appeared the plane's wheels were deployed even though it was landing on water.

The medical helicopter dropped off a patient and then crashed about three miles from La Crosse airport shortly after taking off. A surgeon, nurse and the pilot were killed.

The pilot radioed a control tower in the city of Rumbek just before the crash, requesting permission to land because one of the engines had technical problems. A few minutes later, the tower lost contact with the plane. The Minister of Defense, and an adviser to the Southern Sudan president, were among the dead. Twenty-one passengers and three crew were killed.