Deck

The minimum manning requirement for qualified Deck Officers is as follows:

Minimum Manning requirements
Fishing area Length of vessel Deck officer 
Fishing vessel 
Class 1
Deck officer 
Fishing vessel 
Class 2
Deck officer 
Fishing vessel 
Class 3
Unlimited 40m and over 2
Unlimited under 40m 1
Limited 30m and over 1 1
Limited 24m or more but
under 30m
1 1
Limited 16.5m or more but
under 24m
1

Engineering

Every fishing vessel with a propulsive power of 750 kilowatts or more operating in the unlimited area must carry at least two qualified engineer officers, being at least a Chief Engineer holding an Engineer Officer Certificate of Competency (Fishing Vessel) Class 1 and a Second Engineer holding an Engineer Officer Certificate of Competency (Fishing Vessel) Class 2.

The MCA has issued a General Exemption, which is included as Annex A to this MGN, which allows vessels with a propulsive power of 750 kilowatts or more operating in the limited area, as an alternative to 6.2.1 above, to carry a Chief Engineer holding an Engineer Officer Certificate of Competency (Fishing Vessel) Class 1 and the holder of an Engine Room Watchkeeping 5 day course certificate.

Click the link and refer to MGN 411 for further information on these requirements.