The plane left the Jacksonville, Florida, area on Monday, according to officials. It was reported missing Tuesday after family members reported it did not arrive in Tennessee as expected.
Tabitha Sterling, Hunter's mother, reacted in light of the plane's disappearance on social media saying, "Please pray for my baby he is missing and his dad and girlfriend also! Please pray..."
The Federal Aviation Administration said it issued an alert notice Monday night advising public safety agencies and the U.S. National Park Service that the Cessna-182 aircraft was about 15 miles south-southeast of Gatlinburg-Pigeon Forge Airport.
The flight was headed from the Jacksonville area to Gatlinburg-Pigeon Forge Airport, FAA said. The plane is registered to David Starling, according to the FAA registry.
The FAA issued the search alert when a concerned family member notified the agency that the flight didn't arrive as expected.