and another failed. Of the 134 people aboard the plane, only one survived. Bambang Sumadi. The passengers were an elite unit of airmen, who had just participated in an Armed Forces Day ceremony. The plane exploded in flames as it crashed into a training centre run by the Manpower Ministry, where two guards were killed.

Indonesian Air Force Lockheed KC-130B Hercules

June 30, 2015

143 deaths: 109 passengers, 12 crew, 22 on ground

Route: Medan – Tanjung Pinang

Plane: Lockheed KC-130B Hercules

The Hercules crashed into a commercial and residential building after departing Soewondo Air Force Base in the North Sumatra capital of Medan for a flight to Bintan Island. Shortly after takeoff, the crew radioed they were returning to base, as one of the four engines had apparently failed. The plane, which hadbeen in service since 1964, then turned and crashed into the recently completed building, which included a spa business. Among the passengers were paying civilians – an often-flouted violation of government regulations. The crash prompted the Air Force to ground its entire C-130 fleet for inspection.

Mandala Airlines Flight 091

September 5, 2005

149 deaths: 100 passengers, 49 on the ground

Route: Medan – Jakarta

Plane: Boeing 737-200

Seconds after taking off from Polonia International Airport in North Sumatra, the 24-year-old plane crashed into a heavily populated residential area. Dozens of cars and houses were destroyed. Seventeen passengers, most of them seated at the rear of the plane, survived. Then-North Sumatra governor Rizal Nurdin was among the dead. It was the deadliest air disaster involving the Boeing 737-200 series. An investigation found no signs