MIL-S-9479B (AMENDMENT-2), MILITARY SPECIFICATION: SEAT SYSTEM, UPWARD EJECTION, AIRCRAFT, GENERAL SPECIFICATION FOR (27-JUN-1973) [S/S BY MIL-PRF-9479D]
MIL-S-9479B (AMENDMENT-2), MILITARY SPECIFICATION: SEAT SYSTEM, UPWARD EJECTION, AIRCRAFT, GENERAL SPECIFICATION FOR (27-JUN-1973) [S/S BY MIL-PRF-9479D].