Air Almanac: 2021

The Air Almanac contains the astronomical data required for air celestial navigation. The CD-ROM contains the same data found in the previously published book. It 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...

• Format: CD-ROM
• Language: English
• ISBN: 0160956056
• ISBN13: 9780160956058
• Release Date: September 2020
• Publisher: Government Printing Office