Yacht Deck Department
Yacht deck officers hold STCW CoCs or MCA Large Yacht equivalents — flag-state governed, not merchant shipping governed. The certificate instruments are the same Chapter II ladders (Master, Chief Mate, OOW Nav) recognised under STCW Article IX, or the MCA Yacht Master series for those who built sea service on yachts rather than in the merchant fleet.
Below officer level, the yacht deck ladder has several roles with no merchant equivalent — flagged throughout.
MCA large yacht CoC tiers.
Yacht deck officers may hold either a standard STCW merchant CoC or an MCA Large Yacht Certificate, depending on where they trained and which flag state registered their vessel. The two ladders are not interchangeable in all contexts — an OOW Yacht certificate issued for yacht service may not satisfy a merchant shipping safe-manning instrument, and vice versa.
| MCA Yacht Certificate | Scope | STCW Equivalent |
|---|---|---|
| Yacht Master Ocean | Any tonnage, worldwide | Master (Unlimited) CoC — Reg II/2 |
| OOW (Yacht) ≥500 GT | ≥500 GT, unlimited voyages | OOW (Nav) CoC — Reg II/1 |
| Master (Yacht) <500 GT | <500 GT, near-coastal | — |
| Master (Yacht) <200 GT | <200 GT, near-coastal | — |
| OOW (Yacht) <3000 GT | <3000 GT, worldwide | — |
Source: MCA MSF 4239 series; Merchant Shipping (Large Commercial Yacht) Regulations 2012; MCA MGN 280 series. Flag state variations exist — Cayman Islands, Marshall Islands, Malta and other popular yacht flag states have analogous ladders under STCW Article IX equivalencies.
Captain, Chief Officer and OOW.
Management level · STCW Reg II/2 or Yacht Master Ocean
Captain
Overriding command authority; responsible for flag-state yacht code compliance, MCA large yacht code compliance, crew management and welfare, guest experience delivery, insurance obligations and seamanship. Significantly higher owner and guest interaction than on a merchant vessel — diplomatic and hospitality skills are as important as technical competence.
Certificate: CoC — Master (Unlimited) (STCW Regulation II/2; Table A-II/2) or Yacht Master Ocean (MCA — accepted by most yacht flag states under STCW Article IX)
Management level · STCW Reg II/2 or Yacht Master Ocean · Reports to Captain
Chief Officer
Navigation and deck operations; supervision of deck crew; safety equipment management; stowage and tender operations. On larger yachts, may not stand a regular bridge watch. On smaller yachts, stands watchkeeping duties alongside management responsibilities.
Certificate: CoC — Chief Mate (Unlimited) (STCW Regulation II/2) or Yacht Master Ocean (MCA) or OOW (Yacht) ≥500 GT (MCA), flag-state-dependent
Operational level · STCW Reg II/1 or OOW Yacht · Reports to Chief Officer
Officer of the Watch (OOW)
Bridge watchkeeping; navigation and passage execution; reports to Chief Officer. Title varies by vessel size — Second Officer or Third Officer on larger yachts. On smaller yachts this role may be held by the Chief Officer alone.
Certificate: CoC — OOW (Navigation, Unlimited) (STCW Regulation II/1; Table A-II/1) or OOW (Yacht) ≥500 GT (MCA) or Yacht Master Offshore on smaller vessels, flag-state-dependent
Bosun, Lead Deckhand, Deckhand, Junior Deckhand.
The yacht deck ratings ladder has an intermediate tier — Lead Deckhand — that does not exist in the merchant navy. This layer is yacht-distinctive.
Support level · ASD CoP (STCW Reg II/5) · Reports to Chief Officer
Bosun
Supervises deck crew; cosmetic and varnish maintenance of topsides; tender and water toy management; mooring operations; deck seamanship. On yachts the Bosun role carries elevated seniority compared to the merchant equivalent — often involved in owner and guest vessel presentation.
Certificate: Certificate of Proficiency — Able Seafarer Deck (STCW Regulation II/5)
Lead Deckhand
Yacht onlyCompany title · Intermediate layer · Reports to Bosun
Supervises Deckhands; leads tender driving and water toy deployment; mooring and anchoring operations; deck maintenance leadership. An intermediate layer between Bosun and Deckhand unique to the large yacht industry. No equivalent tier exists on merchant vessels.
Certificate: STCW BST mandatory. Typically working towards or holds Able Seafarer Deck CoP. No dedicated STCW instrument for this specific tier.
Support level · RFPNW CoP (STCW Reg II/4) · Reports to Lead Deckhand
Deckhand
Deck maintenance; mooring and anchoring; tender operation; water toy deployment; cosmetic upkeep of the vessel. The core working deck crew role.
Certificate: Certificate of Proficiency — Rating Forming Part of a Navigational Watch (STCW Regulation II/4)
Entry level · BST mandatory · Reports to Lead Deckhand
Junior Deckhand
Entry-level deck position. Must hold STCW Basic Safety Training (BST) before joining. Working towards RFPNW CoP. Assists with all deck duties under supervision.
Dual role, watersports, dive, HLO, submersible.
The superyacht industry has several deck roles with no merchant equivalent.
Deck / Stew (Dual Role)
Yacht onlyCompany title · Typically <40m · MCA 50% sea-time split
Performs deck duties underway and interior/stewardess duties in port and at anchor. Found on smaller superyachts where crew numbers do not support dedicated deck and interior teams. MCA guidance provides for 50% deck / 50% interior sea-service accounting, so both deck and interior STCW sea-time requirements accumulate simultaneously.
Watersports Supervisor
Yacht onlyCompany title · Reports to Bosun
Operation and maintenance of water toys — jet skis, inflatables, paddle boards, windsurfers, kayaks; watersports instruction; safety supervision for guest activities.
Qualifications: RYA Powerboat Level 2 minimum; personal watercraft licence; First Aid. Some operators require PADI Divemaster.
Dive Instructor / Dive Master
Yacht onlyCompany title · Reports to Watersports Supervisor
Scuba instruction and guided dives for owners and guests. May manage dive equipment maintenance aboard.
Qualifications: PADI Divemaster or Instructor (minimum); STCW BST mandatory.
Helicopter Landing Officer (HLO)
Yacht onlyCompetence designation — not a separate rank
Supervises helicopter deck operations; coordinates landing and departure; fire-fighting during helicopter operations. This is a competence designation, not a separate seafarer rank — typically held by a deck officer or senior deckhand on vessels equipped with a helipad, in addition to their substantive role.
Qualification: CAA/UKCAA or equivalent HLO course (OPITO or BOSIET with helicopter landing officer module). Not an STCW certificate.
Submersible Pilot
Yacht onlyCompany title · Department: deck · Luxury superyachts with personal submersibles
Operates and maintains the vessel's personal submersible (e.g. Triton, Deep Ocean). Operator-specific training and certification depending on the submersible manufacturer and flag state.
PYA / Nautilus International.
Yacht crew move between many employers with no single company to validate sea service. The Professional Yachting Association (PYA) and Nautilus International operate an independent sea-time verification scheme that authenticates service records for STCW CoC and CoP applications and MCA large yacht certificate submissions.
The PYA Logbook is the industry-standard sea service record document — accepted by MCA and several flag states. No equivalent independent verification body exists in the merchant sector, where Continuous Discharge Certificates and company records serve this function.
Yacht-distinctive: If you are moving from the merchant navy to yachts (or vice versa), your sea service documentation requirements differ. Check with MCA or your flag state administration before applying — the PYA/Nautilus scheme applies to yacht service; Discharge Book records apply to merchant service. Both may contribute to CoC eligibility under different counting rules.
The certificate pathway.
Yacht deck officer careers begin with either the STCW Chapter II merchant pathway or the MCA Yacht Master pathway, depending on your flag state and whether you build sea service on yachts or in the merchant fleet. India and the UK are among the principal entry routes.
Talk to yacht deck crew.
The Career & Recruitment category on the Marine One forum covers yacht deck questions — from Junior Deckhand first contracts to Captain routes.