Posted in Aviation, Government & Military, Health & Medicine, Information Technology, Schools & Education AFAST stands for Acoustical Filter Assisted System Tuning (speaker feature; Pioneer) AFAST stands for Abdominal Focused Assessment with Sonography for Trauma (ultrasound protocol) AFAST stands for Atlantic Fleet Active Sonar Training AFAST stands for Army Flight Aptitude Selection Test (US Army) AFAST stands for Alternate Flight Aptitude Selection Test