MIL-STD-1294A, MILITARY STANDARD: ACOUSTICAL NOISE LIMITS IN HELICOPTERS (12 AUG 1985) [NO S/S DOCUMENT]

MIL-STD-1294A, MILITARY STANDARD: ACOUSTICAL NOISE LIMITS IN HELICOPTERS (12 AUG 1985) [NO S/S DOCUMENT]., This standard establishes steady state acoustical noise limits within personnel occupied spaces of military helicopters.