How to apply for a letter of initial assessment

Complete MSF 4352 for a letter of initial assessment (LIA) leading to the issue of a notice of eligibility for engineers.

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The Maritime and Coastguard Agency no longer offer this service.


Letter of Intial Assessment App Form (MSF 4352)

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Important COVID-19 Information

Due to the ongoing COVID-19 situation we are currently unable to accept any applications via post. Please submit all applications and supporting documents via email. Please note that scanned copies of supporting documents are currently acceptable. Please note this is subject to change, visit our webpage to stay up to date with the latest information – Click here. Please email your application to

Other information

This application form is for seafarers working on board yachts or within the armed forces looking to gain a letter of initial assessment for a route to apply for merchant or yacht licences.

Important - before completing this form, please read the guidance notes and instructions on pages 6 and 7.

Please provide an email address in block capitals for us to inform you that we have received your application.

The MCA is unable to provide a counter service.

Published 17 April 2014
Last updated 16 April 2020 + show all updates
  1. COVID-19 update (unable to accept applications by post)

  2. Updated version of form.

  3. Application form updated

  4. Application form updated with fee change.

  5. Application form has been updated

  6. First published.