International Yacht Training Worldwide

IYT Commercial Tender License Course


IYT Commercial Tender License Course

This is a 2 day course to obtain a certificate of competency to command a tender (power vessel) up to 5 meters with maximum 40 HP.  This course was designed for the purpose of transporting people (divers) from shore to mother dive vessel, however, it is not limited to this purpose.  The objective of the course is for the student to develop the knowledge and skill sets to competently command a small power vessel up to 5 metres in length as described above.

 Certificate Limitations

  • Command of a vessel up to a maximum length of 5 metres with maximum 40 HP.
  • in coastal waters between mainland and mother vessel location.
  • in fair conditions with moderate wind and sea conditions

It is the level of competence required for transporting people (divers) from mainland shore to mother dive vessel in coastal waters in fair conditions. 


  • It is recommended (not mandatory) for candidates to hold a VHF certificate or complete the IYT VHF/SRC course and gain the certificate before proceeding to this level.
  • Obtain a First Aid Certificate.  This can be:
    • senior first aid as recognised under the national framework – Australia
    • STCW Elementary First Aid certificate
    • PADI EFR certificate
    • AMSA Senior First Aid certificate
    • Other Recognised First Aid certificates will be reviewed when submitted for acceptance.

The first aid certificate may be obtained prior to or following the tender course, however, final IYT Commercial Tender certification will not be produced until this certificate is presented.  

Note: The term Mother Vessel means a dive boat or commercial charter vessel or private superyacht.

Course Outline

The scope of this 2-day course is for the student to obtain the theory and practical knowledge required to safely and competently operate as skipper/captain with full understanding and application of:

  • Types of small powerboats
  • Inboard, outboard and jet drives
  • Steering, propellers, ventilation, cavitation
  • Launching
  • Stability
  • Equipment
  • Boat handling under power
  • Man-overboard procedures
  • Lost diver searching
  • Prop guards
  • Introduction to Height of tides and currents
  • Introduction to Maritime signal flags and distress signals
  • Introduction to Buoyage & collision regulations
  • Introduction to Navigation lights
  • Basic Meteorology

Entry Standard

The Candidate should be 16 years of age or over and preferably hold a VHF Radio Operators Certificate.

Next Steps

As you advance and become more proficient as crew or skipper you take on bigger challenges that require proper training to ensure the safety of your family and friends. The bigger the boat or length of adventure the more training you require.

Most of us prefer to spend our time on the water and not in a classroom. To facilitate this, IYT has a series of E-learning courses available for the theoretical part of sail and powerboat training.

  1. Take one of our online (Elearning) courses for your next level of training.
  2. Plan your practical training at one of our many schools worldwide to earn your final qualification.
  3. Book in advance with your school as class sizes and availability may be limited.
  4. Review the IYT course progression details to learn about professional level courses.
  5. Spend time on the water and properly log your seatime.

The Boating Lifestyle is one of the most rewarding pursuits available. There is something physically and emotionally invigorating when you are offshore. To enjoy the experience fully you need the proper training & skills to be safe, prepared and command a vessel.

RecreationalStudent Information

Benefits Of An IYT Certification

IYT is the largest provider of crew and skipper certificates for the recreational yachting industry in the world. Learn more about the benefits of an IYT Certificate.

Certificate Renewal

For many IYT certificates, there is the need to re-qualify for your certificate every 3 to 5 years. This ensures that our certifications are meeting international standards.

IYT Yachting Passport

The IYT Passport is recognized in over 40 countries around the world and offers you an opportunity to study and train worldwide.

Course Progression

A beginner at sailing or operating a powerboat should be familiar with the training path that is available from IYT. Many recreational boaters progress to become crew on superyachts.

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