MIL-S-81771A (AMENDMENT 1), MILITARY SPECIFICATION: SEAT SYSTEM; AIRCREW, CRASH RESISTANT; GENERAL SPECIFICATION FOR (30 APR 1991) [S/S BY JSSG-2010-7
MIL-S-81771A (AMENDMENT 1), MILITARY SPECIFICATION:
SEAT SYSTEM; AIRCREW, CRASH RESISTANT; GENERAL SPECIFICATION FOR (30 APR 1991) [S/S BY JSSG-2010-7].