You observe the lower limb of the Sun at a sextant altitude (hs) of 37°47.2' on 11 October. The index error is 3.0' off the arc. The height of eye is 63 feet (19.2 meters). What is the observed altitude (Ho)?

At 1423 you are on course 072°T at 12.2 knots, when you sight a rock awash beari...

At 2221 your course is 222°pgc at a speed of 11.2 knots, when radar detects a bu...

While on a course of 019°pgc, a light bears 14° on the port bow at a distance of...

While on a course of 066°pgc, a light bears 13° on the port bow at a distance of...

You are on course 079°T, speed 11.2 knots. At 0904 you see a daymark bearing 078...

You are on course 086°T, speed 11.7 knots. At 1013 you see a buoy bearing 088°T...

While on a course of 097°pgc, a light bears 8° on the port bow at a distance of...

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While on a course of 159°T, a light bears 11° on the starboard bow at a distance...

While on a course of 283°pgc, a light bears 10° on the port bow at a distance of...