AAIB Report on the Ditchings of EC225 G-REDW 10 May 2012 & G-CHCN 22 Oct 2012 The UK Air Accidents Investigation Branch (AAIB) have published their combined report into the two Eurocopter EC225 helicopter ditchings in the North Sea in 2012: ….the crews of G-REDW and G-CHCN experienced a loss of main rotor gearbox oil … Continue reading AAIB Report on the Ditchings of EC225 G-REDW 10 May 2012 & G-CHCN 22 Oct 2012