Carriers from the United States to Europe are having to reassess their routes over the region after a Boeing 777 passenger jet was downed in an area that has been the main battleground involving Russian control over parts of Ukraine. Air traffic control and airlines should have been more cautious of the area, said Brent Spencer of Embry-Riddle Aeronautical University.
Watch: Firefighters arrive at jet wreckage
"The fact that the airspace is not restricted doesn't mean you don't need to give extra consideration whether you want to fly to it or not," said Spencer, who is director of Embry- Riddle's air-traffic control program in Prescott, Arizona. "You might want to think twice about flying through an airspace where there's somebody shooting missiles at anybody."
Popular route
The area was a popular route for flights going between Europe and Asian cities such as Singapore, Mikael Robertsson, co-founder of Stockholm-based Flightradar24, said in an interview. The Malaysia Air flight was en route to Kuala Lumpur from Amsterdam when it went down near the eastern town of Torez, killing almost 300 people on board.
Luggage is pictured on the site of the crash. Photo / AFP
The airspace over the region was closed to air traffic up to 32,000 feet (9,750 metres), according to Eurocontrol, an international organisation which coordinates European air traffic agencies. The Malaysia Air flight was flying 1,000 feet above the restricted space.
Watch: Ukraine leader says crash was a 'terrorist act'
The Ukrainian government in Kiev has said the plane was shot down by pro-Russian rebels. The separatists denied the accusation.
Avoiding Ukrainian airspace
Delta, the third-largest US carrier, is going to avoid all Ukrainian airspace "out of an abundance of caution," according to a statement on the Atlanta-based company's website.
A firefighter stands as flames burst amongst the wreckage. Photo / AFP
A fireball seen shortly after the crash. AP/Amateur Video accessed by APTV
The region wasn't subject to any alerts to pilots, known as notices to airmen, said Perry Flint, a spokesman for the International Air Transport Association in Washington.
The FAA had barred US airlines from flying over southern areas of Ukraine in a notice issued April 3, after Russia annexed the region of Crimea. That notice didn't cover the area where the Malaysian plane crashed.
Watch: Fireball from Malaysia plane impact
The FAA had issued the restriction because Russia had attempted to assert control over flights above Crimea, which the US considered "unilateral and illegal," according to an email today from the agency. Flights by US carriers were steered away because of the potential for conflicting instructions by controllers from Russia and Ukraine, according to the statement.
300 to 400 flights a day
Prior to the turmoil in the Ukraine, there were about 300 to 400 flights a day that flew over the region, Robertsson said. In recent months, there have been about 100 a day, he said.
Within a short time of the crash, the flight routes were emptied of international flights, he said.
Firefighters amongst the wreckage of the Malaysia Airlines jet. Photo / AFP
Lufthansa, which has its main hub in Frankfurt, is diverting flights, according to a spokesman, Thomas Janchow. KLM, whose booking codes were shared on Malaysian Air Flight 17, said "as a precautionary measure KLM avoids flying over the concerned territory," according to the Dutch carrier.
"Although not yet officially confirmed by Malaysia Airlines, it is with great regret that KLM has learnt about the possible incident with flight MH17, codeshare KL4103," the airline said. The carrier is a unit of Air France-KLM Group.
'The most common route'
The European Cockpit Association, a pilot group, said by email that the Malaysian plane's path was "the most common route for flights from Europe to South East Asia." British Airways said its flights don't traverse eastern Ukraine, though the company is putting its daily London-Kiev route under review.
Relatives of passengers from Amsterdam outside the family holding area at the Kuala Lumpur International Airport. Photo / AFP
Josh Freed, a spokesman for American Airlines Group, said the world's largest carrier was checking on whether any of its planes fly in the area. United Continental Holdings Inc., the second-biggest airline, doesn't fly through Ukrainian airspace.
Airlines have been paring service to Ukraine, with Lufthansa halting flights to Donetsk as tension escalated between the government and separatist rebels. Emirates, the biggest carrier by international traffic, said this month that it would suspend its flight linking Dubai and Kiev from Aug. 1, citing political uncertainty.
A man lights a candle in front of the Embassy of the Netherlands in Kiev. Photo / AFP
- Sasso reported from Atlanta. Contributors: Jonathan Stearns in Brussels, Maud van Gaal in Amsterdam, Alan Levin in Washington and Thomas Black in Dalla-
Washington Post, Bloomberg