Im just one of many in the UK, that has seen the horror, within and around the wall of speeding flame. We had a single engine Squirrel and a white BK117, to watch on the television.
So questions for you at the sharp end.
Has a slow release spray from a bucket shown to be more or less effective at fire suppression.
Is the sudden dump of water, just for hotspots.
Are respirators of use, to the pilots in the updraft of smoke.Are IFR only pilots allowed to operate where visual referance may be lost.
In the remote areas, is water drawn up from deep wells; are tankers the only means of supply.
Best wishes from England