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
Thrifty Martin McCaskie has been using this vintage carrier for almost half his life - saves on the 5p charge!
Two families involved in supplying drugs and money laundering in north Wales have been convicted.
More rain for Wales on the way over the next few days.