Rapid Sight Reduction Tables for Navigation - Volume 2, Edition 2008. Latitudes 0º - 40º, Declinations 0º - 49º. Altitude and azimuth for the designated latitudes and declinations.
Replaced NP401 Sight Reduction Tables for Marine Navigation Vol 1 Lat 0 - 15
Replaced NP401 Sight Reduction Tables for Marine Navigation Vol 2 Lat 15° - 30°
Replaced NP401 Sight Reduction Tables for Marine Navigation Vol 3 Lat 30° - 45°
