The light aircraft pilot missing after his plane vanished off the coast of north Wales has been named as 79-year-old Professor David Last.
He was an expert in GPS technology and had worked as an expert witness helping to convict murderers.
The aircraft was flying from Caernarfon Airport to the Great Orme, Llandudno, and back on Monday when it disappeared.
FlightRadar24, which tracks the path of aircraft in the UK, showed a Cessna 172S Skyhawk had gone down.
Due to adverse weather conditions off Penmon on Anglesey, HM Coastguard have confirmed all search activities have been suspended for today.
Professor Last’s family have issued the following statement: “Professor David Last was a Consultant Engineer and Expert Witness specialising in Radio Navigation and Communications Systems.
"He was a Professor Emeritus at the University of Bangor, Past-President of the Royal Institute of Navigation and a respected figure in the world-wide navigation community.
"He was an experienced, instrument-rated pilot.
"Most importantly to us, he was head of the family: a much loved father, husband, brother, grandfather, uncle and friend, and we are all heartbroken.
"We would appreciate respect for our privacy during this difficult time.”
Professor Last had been on the only person on board the flight.
The Air Accident Investigation Branch has said that they have sent a team to investigate “an accident involving a light aircraft” that occurred near Beaumaris.
An RNLI spokesman said the aircraft was last seen two miles north east of Penmon.
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