What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
Pilots on a reposition flight to ugn conducted a low IFR ILS (reported 200/ 1/4MI) approach.
On touchdown, pilot reported landing normal but did not get on the brakes quickly until he saw the end of the runway approaching.
Pilot reported after applying max braking aircraft began to hydroplane. Aircraft departed the end of the runway approximately 50 feet.
The co-pilot was new to the company and had accumulated less than 15 hours in the aircraft.
As the FAA filed it
PILOTS ON A REPOSITION FLIGHT TO UGN CONDUCTED A LOW IFR ILS (REPORTED 200/ 1/4MI) APPROACH.
ON TOUCHDOWN, PILOT REPORTED LANDING NORMAL BUT DID NOT GET ON THE BRAKES QUICKLY UNTIL HE SAW THE END OF THE RUNWAY APPROACHING.
PILOT REPORTED AFTER APPLYING MAX BRAKING AIRCRAFT BEGAN TO HYDROPLANE. AIRCRAFT DEPARTED THE END OF THE RUNWAY APPROXIMATELY 50 FEET.
THE CO-PILOT WAS NEW TO THE COMPANY AND HAD ACCUMULATED LESS THAN 15 HOURS IN THE AIRCRAFT.