On the ground, open plane doors aren't really a big deal. At 10,000 feet though, they're an incredibly big deal.

A Korean airliner with almost 200 people aboard had to turn around mid-flight and make an emergency landing when a door was found partially open. The plane, a Jin Air flight en route from the Philippines to South Korea, landed safely and no one was hurt although some passengers reported feeling nauseous.

According to frontierpost.com, a South Korean Transport Ministry official told CNN:

they are now investigating the exact cause of the incident and plan to carry out safety inspections on six low-cost airlines this month: Jin Air, Air Busan, Jeju Air, Easter Jet, T\'way Air and Air Incheon.

If you have any traveling to do this year, be sure and ask the flight crew whether or not they locked all the doors!

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