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While vivid virtual reality (VR) environments may afford better performance for some flight tasks, it is possible that enhanced stimuli could overload some cognitive resources. Prospective memory (PM) is a cognitive factor sensitive to working memory and visual processing demands, and it may be a performance factor either adversely affected or enhanced by VR factors. Forty-seven pilots flew a VR flight simulation scenario, which included an auditory cue-based PM task. Self-ratings of psychological experiences in VR revealed three factors with relationships to PM: fluency, presence, and interactivity. Path analyses examined the relation of each of these factors with PM, and with two types of working memory, based on Level 1 SA. Higher fluency ratings were associated with lower PM, whereas greater presence and interactivity were correlated with better PM. Working memory also significantly mediated the effects of fluency on PM.