Story highlights Officials suspect engine trouble might have caused crash, air force chief says

A total of 91 bodies have been recovered from the wreckage, he says

There were 122 people on board the plane when it went down, according to authorities

Jakarta, Indonesia (CNN) Searchers pulled more bodies Wednesday from the charred wreckage of an Indonesian military plane that authorities say was carrying more than 120 people when it crashed near a residential area.

Military personnel and their family members, students and other civilians were among those on board the C-130 Hercules plane that went down shortly after takeoff Tuesday in Medan, on the Indonesian island of Sumatra.

So far, 91 bodies have been recovered from the crash site, Air Marshal Agus Supriatna, the commander of the Indonesian Air Force, said Wednesday.

Photos: Cargo plane crashes in Indonesia Photos: Cargo plane crashes in Indonesia Search and rescue teams work at the site where an Indonesian air force cargo plane crashed in Medan, Indonesia, on Tuesday, June 30. Hide Caption 1 of 10 Photos: Cargo plane crashes in Indonesia Search and rescue personnel comb through the wreckage of the plane. Hide Caption 2 of 10 Photos: Cargo plane crashes in Indonesia Indonesian military personnel carry the body of a victim away from the crash site. Hide Caption 3 of 10 Photos: Cargo plane crashes in Indonesia Military personnel inspect the wreckage. Hide Caption 4 of 10 Photos: Cargo plane crashes in Indonesia Military personnel help remove one of the plane's tires at the crash scene. Hide Caption 5 of 10 Photos: Cargo plane crashes in Indonesia People search for victims at the site. Hide Caption 6 of 10 Photos: Cargo plane crashes in Indonesia Firefighters work at the crash site in Medan. Hide Caption 7 of 10 Photos: Cargo plane crashes in Indonesia Firefighters and military personnel inspect the site. Hide Caption 8 of 10 Photos: Cargo plane crashes in Indonesia People search for victims around the wreckage. Hide Caption 9 of 10 Photos: Cargo plane crashes in Indonesia A police officer waves a crowd away near the site of the crash. Hide Caption 10 of 10

But more are expected to be retrieved from the shattered remains of the large transport aircraft.

The military transport plane had 122 people aboard -- 110 passengers and 12 crew members -- when it took off from Soewondo Air Force Base in Medan, according to Supriatna.

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