The AAIB additionally confirmed that pilot David Ibbotson, 59, was unlicensed to fly that exact plane and at evening, when the tragedy occurred.
He was additionally working an unlicensed business flight and being paid an unspecified quantity for the flight, which was unlawful.
Investigators mentioned it was possible that he was affected by carbon monoxide.
An interim report additionally discovered that Sala had suffered carbon monoxide poisoning earlier than the airplane crashed and was possible unconscious when it hit the water.
Geraint Herbert, Senior Inspector of Air Accidents at AAIB, mentioned the airplane was flying erratically in its final moments because the pilot tried to keep away from unhealthy climate.
“During this accident the pilot lost control of the aircraft during a turn, which we believe he was making to avoid poor weather,” Herbert advised AFP.
“After that the aircraft broke up in flight because it was manoeuvring at a speed well in excess of its maximum manoeuvring speed.”
The airplane was travelling at an estimated 270 miles per hour (435 kilometres per hour) when it hit the water, mentioned the AAIB.
Investigators mentioned the influence was “not survivable”.
Although there was no single trigger for the accident, mentioned investigators, the tragedy has thrown a highlight on lax regulation.
The 115-page report highlighted issues over the rising use of unlicensed business flights, such because the one used to move Sala, by the “sporting world”.
The AAIB additionally really useful that carbon monoxide screens be fitted as customary on all planes.
The airplane, inbuilt 1984, didn’t have such a monitor and it’s believed that the poisoning was attributable to a defective cabin heater.
Herbert mentioned two important elements contributed to the crash.
“One was that the pilot was not experienced and qualified to fly the flight, but the other one of course was that he was probably suffering from carbon monoxide poisoning,” he mentioned.
“We have made a recommendation to the regulators to require the carriage of carbon monoxide detectors on aircraft such as this.”
Illegal constitution flights
Sala had signed for Cardiff in a 17-million-euro deal accomplished just some days earlier than the crash.
The Argentinian was returning to Cardiff to participate in his first coaching session after saying goodbye to his teammates in northwest France.
In a press release, Cardiff City mentioned it “welcomed” the report which “raises a number of new questions which we hope will be addressed during the inquest recommencing next week”.
That inquest is because of begin subsequent Monday in Bournemouth, southern England.
The European Business Aviation Association mentioned the tragedy and report had highlighted “the risks of illegal charter flights”.
Reports within the British press have mentioned former soccer agent Willie McKay mentioned he paid for the deadly flight, however didn’t select the pilot or the airplane.
Sala’s physique was discovered a number of days after the crash, hooked up to wreckage from the airplane, whereas Ibbotson’s physique was by no means discovered.