AN5853 (NOTICE-1), AIR FORCE/NAVY AN: COLLIMATOR - SEXTANT (04-APR-1998)

AN5853 (NOTICE-1), AIR FORCE/NAVY AN: COLLIMATOR - SEXTANT (04-APR-1998)., AN5853, dated 29 May 1943, is inactive for new design and is no longer used, except for replacement purposes.