Helicopter Bell UH-1B Iroquois Serial 267 Register N57HP 61-0687 used by San Joaquin Helicopters ,US Army Aviation Army. Aircraft history and location Aircraft History 61-0687 US Army Aviation US Army HU-1B N57HP State of California San Joaquin Helicopters Inc at Delano, CA Sep90-Apr13 canc San Joaquin Helicopters Send Updates Use APP to upload photo @ (optional) When Now? / / Send