A police officer gestures at the crowd near the site where an Air Force cargo plane crashed in Medan, North Sumatra, Indonesia, Tuesday, June 30, 2015. An Indonesian Air Force Hercules C-130 plane with 12 crew aboard has crashed into a residential neighborhood in the country's third-largest city Medan. (Photo by Gilbert Manullang/AP Photo)

Residents gather next to the crash site of a military Hercules plane in Medan, North Sumatra province on June 30, 2015. An Indonesian military transport plane crashed shortly after take off in the city, an official said, with the plane exploding in a ball of flames. (Photo by Muhammad Zulfan Dalimunthe/AFP Photo)

Indonesian police and military officials secure the crash site of military Hercules plane in Medan, North Sumatra province on June 30, 2015. (Photo by Muhammad Zulfan Dalimunthe/AFP Photo)

People look at a military plan crash in Medan on June 30, 2015. An Indonesian military transport plane crashed on June 30 shortly after taking off and exploded in a ball of flames in a residential area. (Photo by Muhammad Zulfan Dalimunthe/AFP Photo)

Rescuers search for victims the site where an Indonesian Air Force cargo plane crashed in Medan, North Sumatra, Indonesia, Tuesday, June 30, 2015. (Photo by Binsar Bakkara/AP Photo)

Rescuers spray water at the wreckage of an air force cargo plane that crashed in Medan, North Sumatra, Indonesia, Tuesday, June 30, 2015. (Photo by AP Photo/Hafiz)

Firefighters and military personnel work at the site where an Air Force cargo plane crashed in Medan, North Sumatra, Indonesia, Tuesday, June 30, 2015. (Photo by Gilbert Manullang/AP Photo)

Rescuers search for victims at the site where an Indonesian air force cargo plane crashed in Medan, North Sumatra, Indonesia, Tuesday, June 30, 2015. (Photo by Binsar Bakkara/AP Photo)

Security forces and rescue teams examine the wreckage of an Indonesian military C-130 Hercules transport plane after it crashed into a residential area in the North Sumatra city of Medan, Indonesia, June 30, 2015. At least 30 people were killed when the military transport plane crashed into a residential area two minutes after take-off in northern Indonesia on Tuesday, putting a fresh spotlight on the country's woeful air safety record. (Photo by Roni Bintang/Reuters)

A propeller from an Indonesian military C-130 Hercules transport plane rests on the roof of a building after the plane crashed into a residential area in the North Sumatra city of Medan, Indonesia, June 30, 2015. (Photo by Roni Bintang/Reuters)

Security forces and rescue teams examine the the wreckage of an Indonesian military C-130 Hercules transport plane after it crashed into a residential area in the North Sumatra city of Medan, Indonesia, June 30, 2015. (Photo by Roni Bintang/Reuters)

Security forces and rescue teams examine the wreckage of an Indonesian military C-130 Hercules transport plane after it crashed into a residential area in the North Sumatra city of Medan, Indonesia, June 30, 2015. (Photo by Roni Bintang/Reuters)

Security forces and residents examine the wreckage of an Indonesian military C-130 Hercules transport plane after it crashed into a residential area in the North Sumatra city of Medan, Indonesia, June 30, 2015. (Photo by Roni Bintang/Reuters)

A soldier examines a crushed vehicle next to the wreckage of an Indonesian military C-130 Hercules transport plane after it crashed into a residential area in the North Sumatra city of Medan, Indonesia, June 30, 2015. (Photo by Roni Bintang/Reuters)

Indonesian security forces and firefighters search through the wreckage of an Indonesian military C-130 Hercules transport plane after it crashed into a residential area in the North Sumatra city of Medan, Indonesia, June 30, 2015. (Photo by Roni Bintang/Reuters)

Security forces and rescue teams remove the bodies of victims from the wreckage of an Indonesian military C-130 Hercules transport plane after it crashed into a residential area in the North Sumatra city of Medan, Indonesia, June 30, 2015, in this photo taken by Antara Foto. At least 49 people were reported dead after a military transport plane crashed into a residential area shortly after take-off in northern Indonesia on Tuesday, but the toll looked set to rise after it emerged that more than 100 people had been on board. (Photo by Irsan Mulyadi/Reuters/Antara Foto)

A family member of a victim from an Indonesian military C-130 Hercules transport plane that crashed into a residential area, cries at Adam Malik hospital in the North Sumatra city of Medan, Indonesia, June 30, 2015, in this photo taken by Antara Foto. (Photo by Septianda Perdana/Reuters/Antara Foto)

Security forces and rescue workers remove the body of a victim from the wreckage of an Indonesian military C-130 Hercules transport plane after it crashed into a residential area in the North Sumatra city of Medan, Indonesia, June 30, 2015. (Photo by Roni Bintang/Reuters)

Military personnel remove an aircraft wheel at the site where an air force cargo plane crashed in Medan, North Sumatra, Indonesia, Tuesday, June 30, 2015. (Photo by Dedy Zulkifli/AP Photo)

Indonesian military personnel search for victims at the site where an air force cargo plane crashed in Medan, North Sumatra, Indonesia, Tuesday, June 30, 2015. (Photo by Andi Rambe/AP Photo)

Residents examine the wreckage of an Indonesian Air Force cargo plane from a building next to the site where it crashed in Medan, North Sumatra, Indonesia, Tuesday, June 30, 2015. (Photo by Binsar Bakkara/AP Photo)

Indonesian rescuers search for victims of the crashed military airplane in Medan, North Sumatra, Indonesia, 30 June 2015. At least people 49 people were killed after an Indonesian military plane crashed in North Sumatra and burst into flames, officials said. Air Force chief Air Marshal Agus Supriatna said there were no survivors after the plane ploughed into houses and commercial buildings in Medan, the country's third largest city. The plane left Jakarta with 113 people aboard, including military personnel and their relatives, but it was not clear how many continued the journey to Medan after stopovers in Pekanbaru and Dumai, Agus said. (Photo by Dedi Sahputra/EPA)

Officials and rescue personnel work at the scene where an Indonesian military C-130 Hercules crashed into a residential area in Medan on June 30, 2015. An Indonesian military transport plane crashed on June 30 shortly after take-off in a city on Sumatra island, exploding in a ball of flames in a residential area. (Photo by Kharisma Tarigan/AFP Photo)

Indonesian police secure the scene where an Indonesian military C-130 Hercules crashed into a residential area in Medan on June 30, 2015. (Photo by Kharisma Tarigan/AFP Photo)

Indonesian rescue personnel retrieve a body from the scene of an Indonesian military C-130 Hercules aircraft crash in Medan on June 30, 2015. An Indonesian military transport plane crashed on June 30 shortly after take-off in a city on Sumatra island, exploding in a ball of flames in a residential area. (Photo by AFP Photo/ATAR)

Military personnel retrieve wreckage bearing the Indonesian Air Force roundel from the scene of an Indonesian military C-130 Hercules aircraft crash in Medan on June 30, 2015. (Photo by AFP Photo/ATAR)

Indonesian rescue personnel retrieve human remains from the scene of an Indonesian military C-130 Hercules aircraft crash in Medan on June 30, 2015. (Photo by AFP Photo/ATAR)

Indonesian search and rescue teams work at the site of an Indonesian military C-130 Hercules aircraft crash in Medan on June 30, 2015. (Photo by Kharisma Tarigan/AFP Photo)

Family members cry outside at Adam Malik hospital as they wait for the bodies of victims of an Indonesian military C-130 Hercules transport plane that crashed into a residential area in the North Sumatra city of Medan, Indonesia, June 30, 2015. (Photo by Septianda Perdana/Reuters/Antara Foto)

Security forces and rescue teams remove the bodies of victims from the wreckage of an Indonesian military C-130 Hercules transport plane after it crashed into a residential area in the North Sumatra city of Medan, Indonesia, June 30, 2015. (Photo by Irsan Mulyadi/Reuters/Antara Foto)

Security forces and firemen attempt to extinguish the wreckage of an Indonesian military transport plane after it crashed in the North Sumatra city of Medan, Indonesia, June 30, 2015. (Photo by Irsan Mulyadi/Reuters/Antara Foto)

Security forces examine the wreckage of an Indonesian military C-130 Hercules transport plane after it crashed into a residential area in the North Sumatra city of Medan, Indonesia, June 30, 2015. (Photo by Roni Bintang/Reuters)

Firemen attempt to extinguish the fire surrounding the wreckage of an Indonesian military transport plane after it crashed in the North Sumatra city of Medan, Indonesia, June 30, 2015. (Photo by Irsan Mulyadi/Reuters/Antara Foto)

The body of a victim from an Indonesian military C-130 Hercules transport plane that crashed into a residential area, arrives at Adam Malik hospital in the North Sumatra city of Medan, Indonesia, June 30, 2015. (Photo by Septianda Perdana/Reuters/Antara Foto)

An Indonesian man puts a number outside a coffin for victims of an Indonesian military C-130 Hercules transport plane that crashed into a residential area, at Adam Malik hospital in the North Sumatra city of Medan, Indonesia, June 30, 2015. (Photo by Reuters/Beawiharta)

A child attempts to look inside a mortuary at Adam Malik hospital as relatives wait for the bodies of victims of an Indonesian military C-130 Hercules transport plane that crashed into a residential area in the North Sumatra city of Medan, Indonesia, June 30, 2015. (Photo by Reuters/Beawiharta)

Indonesian soldiers prepare coffins outside Adam Malik hospital for victims of an Indonesian military C-130 Hercules transport plane that crashed into a residential area in the North Sumatra city of Medan, Indonesia, June 30, 2015. (Photo by Reuters/Beawiharta)

A relative of military personnel grieves during a send-off ceremony at the military airbase in Medan on July 1, 2015, a day after an Indonesian Air Force C-130 Hercules plane crashed into a residential area of the city shortly after takeoff. The death toll from the crash of an Indonesian air force plane packed with military personnel and their families rose to 142 on July 1, as witnesses described people fleeing the disaster zone covered in blood with their clothes alight. (Photo by AFP Photo/ATAR)

A relative in Malang holds up her smartphone showing a photograph of Indonesian Air Force captain Sandy Permana, who was a crew member aboard the Indonesian Air Force C-130 Hercules aircraft that crashed in Medan, northern Sumatra on June 30, 2015. At least 116 people are feared dead after an Indonesian air force transport plane crashed into a major city shortly after take-off and exploded in a fireball, officials said. (Photo by Aman Rochman/AFP Photo)