Authorities respond to reports of a plane that took off without permission at Sea-Tac Airport in Seattle

AP
Photo/Ted S. Warren

• Authorities are responding to an incident involving an
  aircraft that took off without permission at SeaTac Airport in
  Seattle, Washington.
• The US Coast Guard said the plane was stolen and was
  seen flying around Puget Sound at one point, NBC News
  reported.
• Alaska Airlines acknowledged the situation in a
  statement: “We are aware of an incident involving an
  unauthorized take-off of a Horizon Air Q400. We believe there
  are no passengers on board. More information as we learn
  more.”

Authorities in Seattle, Washington, are responding to an incident
involving an aircraft that took off without permission on Friday
night.

The US Coast Guard said it was aware of the situation happening
at SeaTac Airport,
NBC News reported. The plane was allegedly “flying around
Puget Sound,” before later reports indicated there was a “large
smoke plume” at Ketron Island. Rescue boats were headed to the
scene.

Alaska Airlines acknowledged
the incident in a statement, saying “We are aware of an
incident involving an unauthorized take-off of a Horizon Air
Q400. We believe there are no passengers on board. More
information as we learn more.”

An FAA representative did not immediately respond to Business
Insider’s request for information.

This is a developing story. Check back for updates.