MARINA OIC-NW Exam Prep

Philippines MARINA OIC-Navigational Watch — Complete Exam Guide

The Maritime Industry Authority (MARINA) Officer in Charge of a Navigational Watch (OIC-NW) Certificate of Competency is the Philippine flag-state entry-level deck-officer licence authorising the holder to stand an independent navigational watch on ships of 500 GT or more on any voyage. It is issued by MARINA's STCW Office under the authority of the *Philippine Merchant Marine Act* and implemented through MARINA Circular (MC) 2014-01 and subsequent amendments (MC 2020-05 on STCW 2010 Manila Amendments compliance).

OIC-NW corresponds directly to STCW Regulation II/1 and Section A-II/1 of the STCW Code. The Philippines is one of the world's largest seafarer-supplying nations, and the OIC-NW CoC is the foundational credential for Filipino deck officers serving on internationally trading tonnage under virtually every flag.

Exam structure

MARINA delivers examinations through the MARINA STCW Office in Manila and regional offices (Cebu, Davao, Iloilo), with academic instruction delivered by CHED-and-MARINA accredited Maritime Higher Education Institutions (MHEIs) such as the Philippine Merchant Marine Academy (PMMA), Maritime Academy of Asia and the Pacific (MAAP), University of Cebu, and John B. Lacson Foundation.

Under MC 2014-01 the OIC-NW exam consists of:

• MARINA Licensure Examination for Marine Deck Officers (written). Five subject areas aligned to STCW Functions:

- Navigation (Terrestrial, Celestial, Electronic)

- Cargo Handling & Stowage

- Controlling the Operation of the Ship (Stability, Ship Construction)

- Radar & ARPA, Bridge Resource Management

- Maritime Law & Maritime English

- Pass mark 70 percent per subject, computed average 75 percent.

• MARINA Oral / Viva Voce. 45–60 minutes with a MARINA-accredited Nautical Assessor, scenario-based, emphasising COLREGS, bridge procedures, and emergency response.
• Onboard Assessment. Completion of the MARINA-approved Training Record Book signed by a certified Shipboard Training Officer and Master.

Eligibility & prerequisites

A BSMT (Bachelor of Science in Marine Transportation) from a CHED-accredited MHEI, 12 months approved sea service as a Deck Cadet under a TRB, valid MARINA Seafarer's Medical Certificate, SIRB (Seafarer's Identification and Record Book), and all modular STCW courses (BT, AFF, MEFA, PSCRB, MCA, SDSD, SSO as appropriate). English proficiency is assessed via SMCP throughout the oral.

Study timeline

Graduating cadets typically sit the written MARINA Licensure Examination within 3–6 months of completing sea time. Most cadets attend a dedicated 8–12 week review course at a MARINA-accredited training centre (MAAP Review, NYK-TDG, PTC, Magsaysay) before the exam date.

What examiners look for

MARINA Nautical Assessors emphasize COLREGS fluency and bridge-team English communication to SMCP standard. Expect a scenario walk-through from Manila Bay to Singapore via the Palawan Passage, with the Assessor introducing a close-quarters situation, a Master–Pilot exchange, and a MARPOL Annex I oil-leak emergency. Strong emphasis on Philippine Coast Guard communication protocols, the *Philippine Ports Authority* pilotage boundary rules, and typhoon-avoidance planning using PAGASA forecasts.

Common pitfalls

Candidates commonly fail on celestial navigation computations under time pressure and on COLREGS *Rule 19* (conduct of vessels in restricted visibility). Assessors specifically probe the distinction between Rule 19(d) action when detecting a vessel forward of the beam versus abaft the beam — a frequent examinee stumble. Other recurring issues: weak Maritime English for bridge-pilot exchanges (SMCP phrases must be verbatim), shallow stability reasoning, and superficial knowledge of the Maritime Labour Convention, 2006 as implemented by RA 10635 (the STCW Law) and RA 10706 (the Seafarers' Protection Act). MARPOL Annex V (garbage management) questions also trip up candidates who haven't studied the updated 2017 amendments.

Relationship to IMO / STCW

MARINA OIC-NW is the Philippines' implementation of STCW Regulation II/1 and Section A-II/1. MC 2014-01 and MC 2020-05 explicitly reference the STCW Convention and the 2010 Manila Amendments. The Philippines is on the IMO White List following the 2020 EMSA audit clearance.

Study strategy using MMCE.app

MMCE.app's adaptive engine covers the MARINA OIC-NW syllabus across nav-gen, rules, deck-gen, deck-safe. Rules of the Road is held to a 90 percent pass bar — MARINA oral assessors expect verbatim COLREGS. The Claude tutor cites MARINA Circulars, the STCW Convention, and the relevant COLREGS rule on every miss. SMCP-focused scenario drills help candidates drill verbatim bridge-pilot exchanges.

Useful publications

• MARINA Circular 2014-01 and MC 2020-05
• RA 10635 — STCW Law (Philippines)
• IMO Model Course 7.03 — OOW
• Standard Marine Communication Phrases (IMO SMCP 2001, as amended)
• Philippine Sailing Directions (NAMRIA)
• Bridge Procedures Guide, ICS

Reciprocity

MARINA OIC-NW CoCs are recognised via CEC or direct endorsement by RMI, Liberia, Panama, Singapore, Hong Kong, Isle of Man, Bahamas, and virtually every major FOC administration. UK MCA and the EU have maintained recognition since the EMSA audit clearance. The Philippines supplies approximately 25 percent of the global merchant seafarer workforce, and MARINA CoCs are among the most widely accepted deck-officer credentials at sea.