The report by Iran's civil aviation organisation cited witnesses on the ground and in a passing aircraft flying at high altitude as saying the jet was on fire while still aloft.
China’s attempt to challenge Boeing and Airbus has faltered. Development of China’s C919 single-aisle plane, already at least five years behind schedule, is going slower than expected.
"They are lying that our enemy is America, our enemy is right here," a group of protesters outside Shahid Beheshti University in Tehran chanted
The two-engine Piper Cheyenne crashed in the city of Lafayette about a mile from the regional airport where the flight began, Federal Aviation Administration spokesman Tony Molinaro said.
"I didn't know what was happening," passenger Gabrielle Guzy said. "My sister said she thought it was lights but I knew it was fire from the engine. I kept reassuring myself we'd be OK because we had only been in the air for a minute."
Twelve people were killed and dozens injured when a plane with nearly 100 passengers and crew on board crashed soon after take-off in Kazakhstan on Friday.
All 176 on board the Ukraine International Airlines flight from Tehran to Kiev were killed when the Boeing 737-800 was shot down on Jan. 8, at a time when Iran was on high alert for a US attack.
New South Wales Rural Fire Service commissioner Shane Fitzsimmons said authorities lost contact with the Canada-owned C-130 Hercules aircraft, which was operating in the Snowy Monaro region, shortly before 1:30pm (0230 GMT) on Thursday.
At least four crew were killed on Friday when a Ukrainian Antonov-12 cargo airplane made an emergency landing near the western airport of Lviv after disappearing from radar, officials said.
A single-engine Piper Malibu aircraft carrying Sala and pilot David Ibbotson crashed near the Channel Island of Guernsey on Jan. 21. Sala, who had played for French club Nantes, was travelling to join his new team, Cardiff City, in Wales.