This technical report presents the results of the arc segment attitude reference (ASAR) head-up display (HUD) symbology as a primary flight reference test and evaluation. Testing was requested by the Air Force Research Laboratory, Human Effectiveness Directorate, Wright-Patterson AFB, Ohio. The responsible test organization was the 412th Test Wing, Edwards AFB, California. The test execution organization was the ASAR HUD test team from the USAF Test Pilot School located at ...