Celestial navigation glossary
Azimuth angle (Z)
The tables’ angle at the zenith, turned into Zn by the rules printed on each page.
Where the course teaches it
Reading Pub. 249, in the module The intercept method. Reduce a Sun sight with Pub. 249 or by formula on a calculator: Hc, Zn and the intercept.
Taught alongside it
- Navigational triangle
- Pole, zenith and GP on the celestial sphere: solving it gives Hc and the azimuth.
- Pub. 249
- Sight reduction tables for air navigation: Hc, d and Z for whole-degree latitude, LHA and declination.