MS25450A (NOTICE), MILITARY STANDARD: ALTIMETER, PRESSURE, COUNTER-POINTER, TYPE MC-3 AND MC-4 (19 MAY 1977) [NO SUPERSEDING DOCUMENT]
MS25450A (NOTICE), MILITARY STANDARD: ALTIMETER, PRESSURE, COUNTER-POINTER, TYPE MC-3 AND MC-4 (19 MAY 1977) [NO SUPERSEDING DOCUMENT].