At least 13 persons were killed when a military plane crashed in eastern part of the country on Sunday, officials said.Hercules C-130 plane operated by the Indonesian Air Force went down in Papua, killing everyone an board, Xinhua news agency quoted air force spokesman Jemi Trisonjaya as saying.Three pilots and 10 military personnel died, BBC quoted an official as saying.According to Indonesian Air force chief Agus Supriatna, bad weather suspectedly caused the accident.The Hercules was carrying food supplies from Timika to Wamena when it came down in mountainous terrain near its destination.Indonesia has a poor air safety record.In June 2015, the same type of plane of the country's air force crashed near a residential neighbourhood shortly after taking off from Medan.All 12 crew and 109 passengers on board were killed, along with 22 people on the ground.