Airbus Defence and Space said that of a total crew of six on board the test flight, four were killed and two are in hospital in a serious condition.
All the crew members are company employees and of Spanish nationality. A spokesman said: "Our thoughts are with the families and friends of those affected by this tragic accident and we are providing all our care and support."
An Airbus Group team of technical advisers is being sent to provide full assistance to the official committee in charge of the investigation. The plane was expected to be the third aircraft to be delivered to the Turkish customer, and formal delivery was scheduled for next month.
Footage has emerged of the aftermath of a plane crash in Spain.
A military transport plane crashed near southwestern Seville airport, killing its crew, Spain's prime minister said. It is unclear if anyone else was injured.
Mariano Rajoy said up to 10 crew members were aboard the brand new Airbus A400M aircraft that was undergoing flight trials at the airport.
Three people have reportedly died after a plane crashed one mile north of Seville's San Pablo airport today.
The Spanish emergency services department confirmed three people were killed and two seriously injured after the plane went down, Reuters reports.
It is believed two people who were on the flight are still unaccounted for.
The Ministry of Defence has said that as a precaution the UK’s Airbus A400M aircraft operations have been suspended in the wake of a military plane crash in Spain involving the same model.
We are aware of reports that an A400M has crashed in Seville. As a precaution, the UK’s A400M aircraft operations have been paused.
Spanish Prime Minister Mariano Rajoy has confirmed that between 8 and 10 people were on board a military plane which crashed north of Seville's San Pablo airport today.
Rajoy also confirmed that all those on board the crashed plane were Spanish nationals and are believed to have been airbus employees, Reuters reports.
Rajoy said: "We express our deepest sympathy. They were fellow countrymen."
A military plane has crashed near Seville airport on Saturday, Reuters reports, citing Spain's defence ministry.
As many as seven people were on board, El Pais newspaper reported.
The ministry was not able to confirm whether there were any casualties from the crash.
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Spanish emergency services have safely evacuated about 150 people from a ferry that caught fire whilst crossing the Mediterranean.
The vessel was travelling from the island of Mallorca to the Spanish port of Valencia, government and port authorities said.
There was no immediate information on whether there were injuries, but said three of the ferry's crew members were taken by a helicopter to a hospital.
Images show the ship engulfed in black smoke. Passengers and crew left the vessel in lifeboats and were picked up by several ships.
The port authority said 170 passengers were rescued but sea rescue services could not confirm the number.
The burnt-out ferry could sink where it was abandoned, 35 miles off the Mallorcan coast, the Balearic Island port authority said. The source of the blaze is being investigated.