North Wales Police has confirmed it was three generations of the same family involved in a plane crash at Caernarfon Airport yesterday morning.
A father, who has not been named, died.
His five-year-old son sustained serious head injuries.
The boy's grandfather, 62, was flying the plane, and remains in a critical condition in hospital.
The family are from the Blackpool area, and were believed to be flying the Piper Cherokee 140 G-ATRR from Blackpool to Caernarfon, before returning to Blackpool.
A post-mortem examination is due to be carried out on Wednesday.
More top news
Western parts will see plenty of sunshine today, while eastern parts will have overcast skies with some drizzle.
Jeremy Corbyn says that he backs the First Minister's refusal to end the public sector pay cap ahead of a UK Government decision
The play 'We Are Still Here' tells the story of the steelworkers, unions and people of Port Talbot.