SpaceX sucessfully tests Crew Dragon emergency abort system

[WASHINGTON] SpaceX successfully tested its emergency abort system on an unmanned spacecraft moments after launch Sunday, according to a live broadcast of the event, the last major test before it plans to send NASA astronauts to the International Space Station.

The test launch began at 1030am (1530 GMT) at the Kennedy Space Centre in Florida with the launch of a Falcon 9 rocket topped by SpaceX's new Crew Dragon spacecraft. The rocket was programmed to perform as if it were launching the capsule into orbit.

One minute and 24 seconds after launch, at an altitude of 19km over the Atlantic and as the rocket was traveling at a speed of more than 1,500kmh, an emergency escape sequence was set in motion.

The spacecraft ignited its powerful SuperDraco thrusters, propelling it away from the rocket.

Shortly after the separation, the rocket disintegrated in a ball of fire, as planned.

AN ATLANTIC SPLASHDOWN

On a manned mission, the maneuver is designed to rescue the astronauts in the event the rocket has a problem on ascent or veers off course.

Crew Dragon continued its upward trajectory alone reaching an altitude of about 40km before beginning its natural descent toward the Atlantic.

Four large parachutes opened to brake its descent and splashdown in the Atlantic, where recovery teams were pre-positioned. Nine minutes after launch, Crew Dragon was in the water, apparently without suffering damage.

Analysis of the spacecraft and flight data will confirm whether the test came off without a hitch, and whether the spacecraft is ready for manned missions.

But Nasa administrator Jim Bridenstine and SpaceX founder Elon Musk said in a press conference that the test appeared to be a complete success.

MANNED FLIGHT AHEAD

The favorable outcome of the peril-filled test is good news for SpaceX and for Nasa, which urgently needs to certify a vehicle to transport astronauts to the International Space Station (ISS) this year.

Since 2011, the United States has had to rely on Russia's Soyuz rockets, the only ones capable of carrying astronauts to the space station once the US retired its space shuttle fleet.

Nasa has a similar contract with Boeing, which has developed the Starliner spacecraft for manned flights.

In March 2019, SpaceX successfully made a one-week round trip to the ISS with an unmanned Crew Dragon.

The first manned flight of the capsule is expected to take place this March at the earliest, said Kathy Lueders, NASA's commercial flight programme chief, on Friday.

American astronauts Doug Hurley and Bob Behnken are slated to be its passengers.

AFP

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