One of the four American golfers killed in a fiery Melbourne plane crash was on the trip of a lifetime when he died, his family says.
Greg Reynolds De Haven, 70, and Russell Munsch were named on social media by their families as two of the five men killed in a plane crash in Essendon on Tuesday.
The fifth man was was the Australian pilot Max Quartermain.
Posts on social media show the men were on a golfing holiday in New Zealand before coming to Australia.
Mr De Haven's sister Denelle Wicht posted the tragic news of her older brother's death on Facebook.
"Dear friends and family, my handsome athletic big brother was killed today in a plane accident while on his 'once in a lifetime' trip to Australia," she wrote.
"It was a charter flight with 2 of his friends flying to another island to play golf."
Mr Munsch was identified in a post by his cousin Carol Holst, who advised others to make the most of those they love.
"Hug your loved ones. You never know," she wrote.
Mr Munsch was a lawyer specialising in bankruptcy and banking law and a shareholder of Munsch Hardt, a Texas law firm he helped start in 1985.
It's been reported the men were travelling with their wives, who had planned on seeing the Great Ocean Road while their husbands flew to King Island for golf.
King Island's golf courses have become an international destination.
The Herald Sun reports entrepreneur and investor Glenn Garland is believed to be among those killed in the crash.
Mr Quartermain, 63, ran Corporate and Leisure Aviation with his wife Cilla.
Bas Nikolovski, chief executive of Australian Corporate Jets, told AAP Mr Quartermain was "one of the most experienced pilots".
Victoria Police say they have spoken to and are providing support to the immediate families.
