The commission sat in Traralgon last week to investage the fire that killed 11 people in Gippsland on February 7.

Throughout the week, the commission heard the Department of Sustainability and Environment failed seek out up-to-date information about a predicted wind change.

The commission heard the testament of air attack supervisor David O'Toole.

Mr O'Toole explained he could not directly water bomb the fires due to its intensity.

Mr O'Toole stated that at 5.36pm on February 7, he received a warning that a severe wind change was forecast, and that he landed his aircraft with minutes to spare before the change swept through.

The commission also heard a submission from CFA Region 10 operations officer Shane Mynard. Mr Mynard said he received a request from a CFA lieutenant in Traralgon South for a strike team on February 7, yet none were available.

Throughout the week, the commission also heard that Premier John Brumby turned down the offer of two water-bombing planes from Russia, stating that the planes would have taken too long to arrive and they would have been unsuitable for Australia.

According to Mr Brumby, it would have taken three weeks to get approval to fly from Australia's aviation authorities.

After analysis from the DSE, it was stated that the the two Ilyushin-76 jets, with a dumping capacity of 42 tonnes of water, would have risked lives.

Mr O'Toole explained the larger, fixed-wing aircraft would not have been suitable for the kind of fire Gippsland faced on February 7. The water dumping from the aircraft would have only worked up to a fire intensity 3000 kilowatts per metre, which was ``worlds apart'' from the fires of Black Saturday.