Report says officials failed to use all available aircraft in battling the 2009 blaze, but does not attribute blame for lapses. Study also says the agency needs a policy on using craft at night.A federal inquiry has concluded that the U.S. Forest Service failed to make use of all the aircraft that might have been available during the critical early hours of the 2009 Station fire, but the findings left unanswered key questions of why the planes and helicopters were not deployed.