On 31st Aug 1992, PM at ship in DR 100 11’S 0000 00’, the Sextant altitude of the Sun’s LL was 390 15’ when the chron (error 01m 30s fast) showed 03h 11m 20s. If IE was 2.5’ on the arc and HE was 17m, find the direction of the PL and a position through which to draw it.
On 30th April 1992, in DR 000 20’N 600 12’W, the sextant altitude of Sun’s UL East of the meridian was 4404’ when chron (error 03m 09s slow) showed 00h 57m 43s. If IE was 3.1’ off the arc and HE was 20m, find the direction of the PL and the longitude where it crosses the DR lat.
On 19th Jan 1992, at about 1530 at ship in DR 400 16’s 1750 31’E, the sextant altitude of the Sun’s LL was 4304’ when the chron (error 02m 12m 12s fast) showed 03h 50m 12s. If HE was 22m and IE was 1.5’ on the arc, required the direction of the PL and a position through which it passes.
On 22nd Sept 1992, PM at ship in DR 480 20’N 850 40’E, the sextant altitude of the Sun’s UL was 2008’ when the chron (error 06m 18s slow) showed 10h 03m 20s. If IE was 2.2’ on the arc and HE was 25m, find the direction of the PL and a position through which it passes.
On 5th March 1992, AM at ship in DR 380 11’s 1510 10’E, the sextant altitude of the Sun’s LL was 3501’ when the chron showed 10h 54m 54s. The chron was 01m 20s slow at 12h GMT on 25th Feb 1992 and gaining 4s daily. If IE was 1.3’ off the arc and HE was 30m, find the direction of the PL and a position through which it passes.
Marinegyaan.com is not just another website; it’s a mission to create World’s Biggest Online Marine Encyclopedia for the World and to find solutions that are of extreme importance to all seafarers across the globe.
Marine Gyaan Encyclopedia is a free online resource aims to document all maritime subjects and queries to replace bulky reference books. It is a benevolent reference work for Maritime community in an exhaustive manner. Our encyclopedia covers a great collection of study materials and detailed notes in subjects such as Navigation, Cargo work, Ship operation technology, Meteorology, ROR and Ship Stability etc. Searchable index include more than 2000 nautical topics in expected MMD written and oral exams with pinpoint answer, making our site a good all around tool for MMD exams preparation.
The collaborative and constantly updated encyclopedia is free for everyone to use and perfect for candidate who are preparing for MMD written or oral exams such as Second mate, Chief mate or Masters. All of the entries have been written and approved by actual scholars, which means you won’t have a problem when it comes time to cite sources. In addition to our massive store of reference material for fellow mariners, we are providing online bookings for various Maritime courses in maritime institutes across India.
Can you please tell why the value of P will not change in question no.1&2
Plz can u review question no. 2
You have mistaken in calculation d correction in number 5 math