The RNLI video shows the lifeboat crew searching off the Sussex coast for the 14-year-old boy who is reported to have been swept out to sea late this afternoon. Conditions for the crew are treacherous. They are assisted by the Coastguard search and rescue helicopter.
More top news
Sunday's weather for the east with Philippa
Sunday's weather for the west with Philippa
Captain Mike Green, a senior flying instructor, was piloting the two seater helicopter involved in the crash.