Unit of competency Outline

Date retreived
22/07/2026 12:47 PM AWST

Whilst all efforts are made to provide accurate and timely information from the relevant source/documentation, please be aware that the information supplied may not be the most current version. The accuracy of the detail has not been confirmed by the Department and therefore should not be relied upon without first confirming the contents.

Maintain seaworthiness of the ship (ship stability)

Maintain seaworthiness of the ship (ship stability)

Unit of competency
National Code
MARA017
State Code
OCH72
TGA Status
Current
DTWD Status
Approved
Current Release Number
2.00
Current Release Date
22/11/2024
View on TGA
State Implementation and Classification
Approved Date
09/04/2021
Field of Education
031705 - Marine Craft Operation
Original Release Date
09/04/2021
Nominal Hours
60
Description
Notes
Elements and Performance Criteria
1 Calculate stability
  • 1.1 Ship stability data book is accessed and checked for endorsement
  • 1.2 Sample worked data is interpreted to determine ship safety parameters
  • 1.3 Transverse and longitudinal stability is accurately calculated using data extracted from the body of ship stability data book
  • 1.4 Stability calculations are checked to ensure they correlate with data set out in ship stability book
  • 1.5 Spurious or incorrect information is recognised and recalculated
  • 1.6 Trim, draughts and lists are adjusted, as required
  • 1.7 Stability calculations are conducted at a time, frequency and scope appropriate to voyage
2 Manage weight distribution
  • 2.1 Stability calculations are used to plan weight distribution to ensure assigned load line conditions are not exceeded
  • 2.2 Weight distribution is controlled to maintain ship within acceptable stability and stress limits for loading operation and at all stages of voyage
  • 2.3 Appropriate action is taken when weight distribution is compromising ship safety
3 Maintain records of stability management
  • 3.1 Data and information related to stability management is accurately recorded
  • 3.2 Data and information related to stability management is filed and stored according to organisational procedures
No information
No information
Replaces
State Code National Code Title Type
WH792 MARA005 Maintain vessel stability Unit of competency
State Code National Code Title Type
BGL5 MAR50320 Diploma of Maritime Operations Qualification
BFW2 MAR50220 Diploma of Maritime Operations Qualification