Transcript for 10 Americans, 2 pilots killed in Costa Rica plane crash

the deadly plane crash in Costa Rica. The small plane going down near a tourist area with 12 on board. The plane bursting into flames. Authorities say there were no survivors. Here's Marci Gonzalez. Reporter: Tonight in costa8 rica, 12 people presumed dead, including 10 foreigners. Five of them, reportedly from the same family. After a small plane crashed soon after take-off. It made a really hard left-hand turn and then nose-dived straight into the ground. Reporter: Dawn Wolfe and her family vacationing from Utah watching in horror. Everybody's screaming and yelling. Reporter: Her husband rushing towards the flaming wreckage. People were yelling, running up the hill with fire extinguishers. Reporter: Costa rican officials say the plane owned by nature air took off from punta isilita, heading for the capital San Jose, when it crashed around 12:15 P.M. Local time. From above you can see the scorched woods where it came down. The plane's colorful tail, some of the only recognizable debris. Costa Rica's former president Laura chinchilla tweeting that her cousin, Juan Manuel retina, was the pilot. The state department now working to confirm whether there were any Americans on board. Telling ABC news, "We express our condolences to all those affected by this tragedy." And tonight, investigators are still looking into the cause of the crash.

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