An air tanker pilot died in a crash Tuesday night while fighting a wildfire burning near Estes Park. The Larimer County Sheriff’s Office began investigating reports of the crash around 6:37 p.m., according to a press release. The crash site was located around 9:49 p.m. near the south end of Hermit Park. The pilot was the sole occupant of the plane. The Federal Aviation Administration and National Transportation Safety Board will investigate. FOX31 confirmed just one air tanker was flying Tuesday night. The aircraft, owned by CO Fire Aviation, took off for a first-of-its-kind mission for nighttime firefighting in Colorado. The flight was set to last about an hour.