"I remember her rescuing me down in Cork. I had gone for a run earlier in the day and when I came back I began to feel unwell."
A local doctor, Brian O'Connell, rushed to Mr Carbury who was resuscitated with a defibilator.
"Ms Fitzpatrick and her team were called to assist and they brought me from a local pitch to Cork airport. They did tremendous work. I can't praise Ms Fitzpatrick and her team enough for their expertise."
Mr Carbury said he was deeply shocked when he heard the news that Ms Fitzpatrick had died while on a mission this morning.
"It's shocking. I still can't believe it. It's a very small world.
"She helped save my life and I'm forever grateful for her work and for the work of all the coastguards.
"They lost someone four brave crew members but they saved my life and the lives of others on a daily basis."
Mr Carbury said his condolences are with Ms Fitzpatrick's family at this very sad time.
Ms Fitzpatrick's family have also paid tribute to the hero Coast Guard.
"We are so proud of Dara's work and all she has done to save the lives of others over the years," they said in a statement to Today FM.
"We are completely heartbroken and we pray for the recovery of the other three crew.
"She is survived by her three year old son, her three sisters, brother and her parents."
Her sister, leading psychologist Niamh Fitzpatrick, also paid tribute to her on Twitter this afternoon.
"My brave sister Capt Dara Fitzpatrick lost her life. We are devastated. Please pray for recovery of 3 remaining crew".
The other three crew members on board the Sikorsky S92 helicopter are still missing.
Capt Fitzpatrick was pronounced dead in hospital, Gerard O'Flynn, VS&T Operations Manager of the Irish Coast Guard confirmed.
She was one of very few female civilian rescue pilots worldwide.
She featured in the RTE series Rescue 117 leading dramatic rescues by the crew at Waterford helicopter base.
Captain Fitzpatrick had over 20 years flying experience and was chief pilot in Waterford since 2002. She described her job as "challenging and exciting" during the filming of Rescue 117.