The air almanac contains the astronomical data required for air celestial navigation the book provides the following data tabulated at 10 minute intervals to a precision of 1 arcminute the greenwich hour angle and declination of the sun moon and three navigational planets the greenwich hour angle of aries rise and set times of the moon for a range of latitudes and other data. Provides astronomical data for air navigation contains ephemeral data for the year together with auxiliary tables and graphs and a brief explanation of the use of the volume. Flyers and flight instructors serving in the us and uk military forces commercial flyers and instructors seeking information about air nautical issues. In 1940 as part of the american efforts in world war ii the nautical almanac office received permission to increase its staff to produce an air almanac especially designed for the us air fleet the office delivered the new air almanac in 1941 and it has been published regularly ever since. The air almanac our services have moved here please update your bookmarks usno master clock time loading the sky this week the sky this week 2019 may 14 21 more naval meteorology and oceanography command 1100 balch blvd stennis space center ms 39529
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