(national imagery and mapping agency)
101Sextant — This article is about the sextant as used for navigation. For the astronomer s sextant, see Sextant (astronomical). : For the history and development of the sextant see Reflecting instruments A sextant is an instrument generally used to measure… …
102Passage planning — or voyage planning is a procedure to develop a complete description of a vessel s voyage from start to finish. The plan includes leaving the dock and harbor area, the en route portion of a voyage, approaching the destination, and mooring.… …
103Aouderas — Infobox Settlement official name = PAGENAME other name = imagesize = image caption = image map caption = pushpin pushpin label position =bottom pushpin mapsize = 300 pushpin map caption =Location in Niger subdivision type = Country subdivision… …
104Mont Karisimbi — Pour les articles homonymes, voir Karisimbi (homonymie). Mont Karisimbi Le mont Karisimbi. Géographie …
105List of selected stars for navigation — The selected stars for navigation are often used for sextant observations. Fifty eight selected navigational stars are given a special status in the field of celestial navigation. Of the approximately 6,000 stars visible to the naked eye under… …
106Bisoke — Visoke Visoke Géographie Altitude 3 711 m Massif Montagnes des Virunga …
107Bisoko — Visoke Visoke Géographie Altitude 3 711 m Massif Montagnes des Virunga …
108Gahinga — Le Gahinga à gauche et le Muhavura à droite. Géographie Altitude 3 474 m Massif Montagnes des Virunga …
109Kirunga Visoke — Visoke Visoke Géographie Altitude 3 711 m Massif Montagnes des Virunga …
110Mgahinga — Gahinga Gahinga Le Gahinga à gauche et le Muhavura à droite. Géographie Altitude 3 474 m …
