PUB 249, Volume 2: Sight Reduction for Air Navigation

The Sight Reduction Tables for Air Navigation are published in three separate Volumes.

Volume I, used by both the marine and air navigator, contains altitude (to the nearest minutes) and true azimuth values of seven selected stars for the complete ranges of latitude and hour angle of Aries. These seven stars represent the best selection for observation at any given position and time, and provide the data for presetting instruments before observation and for sight reduction afterwards.

Volumes II and III cover latitudes 0

[ISBN: 1-57785-]