Analysis of Seating and Restraint Limitations Restricting Total Body Weight forAircrew and Passengers on U.S. Army Helicopters

摘要

Aviation Life Support Equipment (ALSE) and crashworthy seating protect the crewand passengers in military aircraft. If the user exceeds the design weight or size range for personal protective equipment, it may not function properly. The distribution and changes in body weight and relevant anthropometric measures were evaluated for soldier and aviator groups. Current ALSE and aircraft restraints were surveyed to determine the largest available sizes. Each aircraft seat was evaluated to determine the crash strength and maximum allowable weight for a given crash pulse. The 99th percentile male soldier and aviator weigh 237.5 and 228.2 pounds, respectively. The average body weight increases with age for the male aviator population. The largest available flight suit (size 48L), SRU-21/P survival vest, and webbing restraints accommodate a 47-inch waist circumference. Aviation Life Support Equipment, Restraint, Aircrew, Helicopters, Aircraft seats, Survival vest.