A brush fire with plumes of smoke drifted within range of at least one Hawaiian Airlines flight waiting to take off at Kahului Airport on Maui Tuesday morning, causing coughing among several passengers.

The flight took off to Honolulu without incident, but the blaze burned an estimated 7 acres near the Kahului heliport, authorities said.

No damages or injuries were reported, and the cause of the fire is undetermined, fire officials said.

County firefighters were on the scene at around 11:30 a.m. and found about an acre of brush burning near Kala Road and Kuhea St. on the east side of the airport.

In a second blaze Tuesday, Fire Services Chief Edward Taomoto said Hawaiian Commercial & Sugar conducted a scheduled cane burn between 3 a.m. and 5 a.m. near the area . It is unclear if the two were connected.