SailR
2ND MATE · QUESTION BANK
Celestial Navigation
352 questions across 25 papers, 2018 to 2026.
Celestial Navigation, known to candidates as Cel Nav, appears in 25 2nd Mate papers between 2018 and 2026, and the 352 questions collected here centre on celestial navigation, marine position fixing and position line. 91% of them have been asked more than once, so the fastest preparation is the questions that keep returning rather than the syllabus end to end.
352
Questions
25
Papers
91%
Repeat
46×
Most asked
What comes up most
- Celestial navigation100%
- Marine position fixing64%
- Position line36%
- Sextant altitude24%
- Latitude28%
- Position fixing32%
- Meridian passage36%
Share of the 25 papers each topic appears in. No single topic runs away with this paper — the seven commonest each turn up in 24–100% of sittings, so preparation has to stay broad.
Most repeated 2nd Mate Cel Nav questions
Asked 46×
On 5th March 1992, AM at ship in DR 38° 02'S 150° 10'E, the sextant altitude of the Sun's LL was 36°13.4' when GMT was 04d 23h 02m 40s. If HE was 28m and IE was 2.2' off the arc, find the intercept and direction of PL.
Asked 15×
At 0440hrs in DR position 52° 21' N 027° 50' W, a meridian observation of Deneb gave an obs. lat 52° 26' N. At 0500hrs using DR Capella gave Azimuth 300°T, Intercept 3' Towards. Ship's course 000°(T), speed 6 Kts. Find ship's position at 0440hrs & 0500hrs by plotting.
2nd Mate Cel Nav past papers
Latest: September 2026
2nd Mate Cel Nav — September 2026
16 questions
2nd Mate Cel Nav — July 2026
16 questions
2nd Mate Cel Nav — May 2026
16 questions
2nd Mate Cel Nav — March 2026
16 questions
2nd Mate Cel Nav — January 2026
16 questions
2nd Mate Cel Nav — November 2025
16 questions
2nd Mate Cel Nav — September 2025
16 questions
2nd Mate Cel Nav — July 2025
16 questions
2nd Mate Cel Nav — May 2025
16 questions
2nd Mate Cel Nav — March 2025
16 questions
2nd Mate Cel Nav — January 2025
16 questions
2nd Mate Cel Nav — November 2024
16 questions
2nd Mate Cel Nav — July 2024
8 questions
2nd Mate Cel Nav — May 2024
16 questions
2nd Mate Cel Nav — March 2024
16 questions
2nd Mate Cel Nav — January 2024
16 questions
2nd Mate Cel Nav — Sept 2024
16 questions
2nd Mate Cel Nav — November 2023
16 questions
2nd Mate Cel Nav — July 2023
8 questions
2nd Mate Cel Nav — May 2023
16 questions
2nd Mate Cel Nav — March 2023
16 questions
2nd Mate Cel Nav — Sept 2023
8 questions
2nd Mate Cel Nav — May 2018
8 questions
2nd Mate Cel Nav — March 2018
8 questions
2nd Mate Cel Nav — January 2018
8 questions
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