Seafarer documentsSpecialist qualifications and training
Navigation Aids, Equipment and Simulator Training – Operational Level (NAEST-O, UK)
- Brief entry
- Checked 1 October 2026
- Document type
- Document
- Validity
- As shown on the issued document
Brief entry: the name, code, purpose and source. A full entry will follow.
Contents2
1 What it covers
Covers navigation aids, equipment and simulator practice at the UK NAEST operational level.1–3
Who needs it. UK navigational watch officer candidates and participants in the relevant programme.1–3
2 Validity and renewal
Document validity. The expiry date, if the issuing system sets one, is shown on the document itself. This reference does not calculate personal expiry dates.