Minimum Flight/Flying Experience: GS-09: Applicants must possess a minimum of 1,200 total flight hours in airplanes, including 250 hours as Pilot-In-Command (PIC), 100 hours in multi-engine airplanes, 50 hours of night flight, and 50 hours of actual or simulated instrument time (with at least 5 hours actual in flight), plus 100 hours in airplanes within the preceding 12 months. GS-11 and GS-12: Applicants must possess a minimum of 1,500 total flight hours in airplanes, including 250 hours as Pilot-In-Command (PIC), 500 hours in multi-engine airplanes, 75 hours of night flight, and 75 hours of actual or simulated instrument time (with at least 10 hours actual in flight), plus 100 hours in airplanes within the preceding 12 months.