Originally Posted by
industry insider
wire less
The Eurocopter 225 Glycol system is a loss system. It is only designed to work for 30 minutes at Vy (approximately 70-80 knots) which equates to the minimum horsepower going through the MGB. It did not fail, it did its job and allowed G-REDW go get closer to land. It undoubtedly contributed to the successful ditching.
This is not correct.
From the AAIB SB S2/2012:
The crew of the helicopter carried out a controlled ditching following indications of a failure of the main gearbox (MGB) lubrication system and, subsequently, a warning indicating failure of the emergency lubrication system.