Intelligent Automation Corp., Poway, Calif., was selected by Republic of Singapore Air Force (RSAF) for the Health Usage Monitoring System (HUMS) for its 20 AH-64D helicopters. Financial terms were not disclosed. Under terms of the contract, IAC will adapt and integrate the IAC-1209, Modern Signal Processing Unit (MSPU) into the aircraft. IAC said the system will continuously acquire data from aircraft vibration, and health and usage of the engines, transmission, drive-train system, rotor system and airframe. The system detects and diagnoses potential failures, while recording usage and providing maintenance personnel with easy to understand corrective actions.