Tilikum had been experiencing declining health and receiving treatment for a bacterial lung infection, the company said in a news release.
The animal rights group People for the Ethical Treatment of Animals tweeted a photo of Tilikum on Friday along with the message: "RIP Tilikum".
Last year, SeaWorld promised to stop breeding killer whales in captivity.
Tilikum was bred and spent 25 years in captivity at SeaWorld.
Tilikum was the most prolific male orca at SeaWorld, according to BBC News, as he sired 14 calves. The first incident occurred in 1991 at Sealand of the Pacific in which Tilikum along with two other orcas killed a trainer-cum-competitive swimmer after she accidentally slipped into the pool.
SpaceX set to resume rocket launches this month
Corrective actions focus on making changes to avoid accumulations that likely caused the September 1 mishap. With its accident investigation over, SpaceX's next planned launch is less than a week away.
Tilikum's story and those of the people killed - including a Seaworld trainer in 2010 - were told in the 2013 documentary.
Her death was not the only one linked to Tilikum at SeaWorld. The 40-year-old handler was cooperating with Tilikum before a live gathering of people at SeaWorldOrlando when he pulled her from a stage and held her under the water.
Hargrove also featured in the documentary Blackfish, which showcased Tilikum's life, the trainer's death and the condition of killer whales in captivity.
1999 - A naked man was found dead, draped over Tilikum's body in a breeding tank.
"The trainers aren't safe, and the whales aren't happy", said "Blackfish" director, Gabriela Cowperthwaite, as quoted by the Associated Press.
Released Chibok Girls Go Home For Christmas
The report did not include any more information, but said that the girls were en route Abuja to be presented to the president. This is just as rumours that the girls were a new set of rescued Chibok schoolgirls went viral on the media.
It was not immediately clear what caused the 40-year-old mother's chairlift death, extremely rare in the United States. Her 9-year-old sister airlifted via Flight for Life to Children's Hospital Colorado in Aurora as of late Thursday.
Attorney General Sean Reyes said in a statement Wednesday that he's working with local officials to file a lawsuit. Obama also designated a Golden Butte National Monument on 300,000 acres of land outside of Las Vegas.
As the title says, stickers are now available in Instagram Stories , and they can be added to both photos and videos. Instagram's latest update includes even more features seemingly borrowed from Snapchat, if you can believe it.
Mr Amiridis was Greek ambassador to Libya from 2012 until this year, when he took up the post in Brazil. Greece's ambassador to Brazil, Kyriakos Amiridis, after a government ceremony in Brasilia, Brazil.
Both James and Moriah were rushed to local hospitals where the young girl eventually died from her injuries. In this case, too, it is stated that Apple faced a lawsuit from the families of those affected.
Hoiberg said changing the closing rotation is made easier by player buy-in. "Now, I feel as though I'm coming around", Foye said. He drove to the left elbow and hit a jump shot with 27.7 seconds remaining to put Chicago on top 99-97.
Ryan's production wasn't bad in his near two full seasons in Western New York as he finished 8-8 in 2015 and 7-8 this time around. Offensive coordinator Anthony Lynn was named the team's interim coach for the Bills' season finale against the New York Jets.
DirecTV Now beat Hulu out of the gate, though that service's buggy launch on November 30 turned off some potential subscribers. Hulu has been putting the pieces in place for its live TV bundle since last spring, when it first announced its plans.
The Vikings, who started the season 5-0, are on a run of seven losses in nine games as they have been decimated by injuries. I don't feel the Packers have to pile up points to win a shootout because Minnesota has trouble scoring (25th).
Approximately 43 Dead Following Car Bomb In Syrian Town
More than 310,000 people have been killed in Syria since the conflict began with anti-government protests in March 2011. Southeast of Azaz, Turkish forces have launched an offensive to take back the Islamic State-held town of al-Bab.
New Record for New Cars Sold in UK
But he warned that 2017 could be more challenging with a weaker pound pushing up the price of imported goods. More than 85% of new cars bought in the United Kingdom are imported.
'Dynamic' Clement appointed Swansea manager
This will be Clement's second managerial role in the past 18 months, though he will be hoping that it goes better than the first. Clement's imminent appointment has been warmly received by the Swansea City Supporters' Trust.
The Mystery of Ronda Rousey
Rousey is a favourite, but only a slight one: around 7-5, which translates to only about a 58 percent chance of winning. Rousey featured ten fights with six ending in decisions, two by knockout, one submission finish, and one No Contest.
Who do you want to spend your New Year's Eve with?
The ball debuted as 2006 became 2007, and Aziz said Pittsburgh, especially Downtown, was a really different place 10 years ago. It's the first line of defense against a terrorist bomb attack, as the city is on heightened alert for New Year's Eve.
After securing NFC East title, Cowboys host Lions
He reached his boiling point after Lions running back Zach Zenner scored on a 5-yard run midway through the second quarter. Both Prescott and rookie rusher Ezekiel Elliott have greatly benefited from Dallas's stout offensive line.
Winter Storm Hits Plains, High Winds in Nebraska
Almost 20,000 customers of the South Dakota Rural Electric Association were without power as of Monday afternoon, according to AP. Heavy snow, freezing rain and wind gusts will make holiday travel treacherous in swaths of the northern United States.
Pochettino wants Spurs to step on the gas
Burnley striker Ashley Barnes opened the scoring from close range and against the run of play after 21 minutes. Dele Alli responded just six minutes later before Danny Rose found the back of the net with a powerful effort.