Professional Tier 1 — Online

Celestial Navigation for Officers

Develops proficiency in celestial navigation as a GNSS-independent position-fixing method. Covers sextant use and error correction, sight reduction using Pub. 229 and AP3270, sun, star, moon, and planet observations, meridian passages, and running fixes using celestial observations.

4 modules 8 lessons 24 hours 20 question exam 0 enrolled
$1,200
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Instant access on enrolment
Blockchain-verified certificate on completion
Accepted by 50+ maritime employers
70% pass mark — Professional standard
Live-proctored exam, globally accepted
12 CPE credits on passing
IMO Compliant
STCW Aligned
ISO 9001

Course Curriculum

Module 1: The Celestial Sphere & Navigational Astronomy
2 lessons
The Celestial Coordinate System
The Nautical Almanac & Sight Reduction Publications
Module 2: Sextant Use & Altitude Correction
2 lessons
Module 3: Sight Reduction & Lines of Position
2 lessons
Module 4: Star & Planet Identification, and Practical Celestial Work
2 lessons

Who This Certification Is For

Serving officers with 2+ years at sea
Crew pursuing promotion to supervisory roles
Professionals updating lapsed certifications
Managers requiring documented competency proof

Certification Exam

20
Questions
30 min
Duration
70%
Pass Mark
∞
Attempts

Complete all course modules before attempting the certification exam. You must achieve the pass mark to receive your certificate.