Ambulance, police and firefighters raced to Lake Connewarre about 8am after the blue plane, which is based at Barwon Heads airport, crashed.
“Crews discovered (the) aircraft ran off the end of the runway,” a CFA spokesman said.
“All passengers (are) out of the plane with minor injuries.”
An Ambulance Victoria spokeswoman said six patients have been taken to Geelong hospital.
“Paramedics are assessing a further 11 people at the scene,” the spokeswoman said.
Earlier, police said the engine cut out, forcing the pilot to crash land.

Damon JohnstonMelbourne Bureau Chief Damon Johnston has been a journalist for more than 35 years. Before joining The Australian as Victoria Editor in February 2020, Johnston was the editor of the Herald Sun - Australia's biggest selling daily newspaper - from 2012 to 2019. From 2008 to 2012, Johnston was the editor of the Sunday Herald Sun. During his editorship of the Herald Sun, the newspaper broke the story of Lawyer X, Australia's biggest police corruption scandal, which was recognised with major journalism awards in 2019. Between 2003 and 2008, Johnston held several senior editorial roles on the Herald Sun, including Chief-of-Staff and Deputy Editor. From 2000 to 2003, Johnston was the New York correspondent for News Corporation and covered major international events including the 9/11 terrorist attacks on the city. After joining the Herald Sun in 1992, Johnston covered several rounds including industrial relations, transport and state politics.
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