We are all eager to know and understand the cause of this accident so as to avoid a similar occurrence in the future. This is the reason why Flight Recorders are mandated and carried.
It is difficult to understand Aesir's comment on the presence of the FDR (as he comes from Iceland - a signatory to the Cyprus Protocol); JAR-OPS 3 requires both a CVR and FDR for a helicopter of this size and date of individual Certificate of Airworthiness - it is therefore likely that it would have been fitted with a combination recorder satisfying both functions.
Most accident investigations are extremely thorough and therefore take a considerable time to publish the results of their deliberations; not to discuss the accident, and even speculate on the causes - in crew-rooms and even on PPRuNe - would be unnatural.
The more we discuss the probable causes of accidents the sooner we begin to understand our own (and mechanical) frailties.
Jim