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Anti-G training of Japanese Air Self Defense Force fighter pilots.
Aviation, Space, and Environmental Medicine 1986 November
Recently developed high-performance fighter aircraft (HPF) are capable of producing high sustained +Gz (HSG) with a rapid onset rate. This G-producing capability is now beyond human physiologic G tolerance. Many techniques to raise the tolerance to HSG have been used operationally. In order to cope with HSG effectively, the Japanese Air Self Defense Force has given high-G training for certain fighter pilots since 1982. So far, 138 pilots (62 F-15 Trainees, 76 F-4 Trainees) have completed centrifuge training at our laboratory. The 1-week program consists of: physical examination and briefing on high-G stress and its protective methods on day 1; centrifuge rides in two basic patterns--a tracking performance and a simulated aerial combat maneuver (SACM)--during the period from day 2-5; and debriefing and questionnaires on day 6. Gradual onset run (GOR) relaxed tolerance is + 5.5 +/- 0.7 Gz and rapid onset run (ROR) relaxed tolerance is + 4.9 +/- 0.6 Gz (n = 126). The difference in G tolerance between F-15 and F-4 trainees was not significant in either GOR or ROR. Loss of consciousness (LOC) occurred in 18 F-15 trainees and 15 F-4 trainees during basic patterns but all F-15 trainees met the training goal and completed the SACM pattern on day 5 without LOC. More than half of the trainees developed a variety of arrhythmias, including PVC, SVPC, A-V dissociation, S-A block, and atrial fibrillation (AF). The AF case developed WPW syndrome and atrial fibrillation followed by LOC during a 4-G warm-up pattern.(ABSTRACT TRUNCATED AT 250 WORDS)
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