let's know about major non - conformity

• Major non-conformity means an identifiable deviation, which poses a serious threat to crewmembers or to the ship or is a serious risk to the environment and requires immediate action. 
• In addition, the lack of effective and systematic implementation of an ISM requirement is considered as major non-conformity.

The ship should correct all the following major non-conformities prior to departure: 

• The ISM certificates are not on board.
• The Company mentioned on the DOC is not the same as the Company mentioned on the SMC.
• The Safety Management documentation is not on board.
• Safety information is not in the working language or in the language understood by the crew.
• Senior officers are unable to identify the operator and designated person.
• There is no procedure to contact the Company in emergency situations.
• Drills have not been carried out according to the program.
• New crew-members are not familiar with their duties (within the SMS).
• Master's overriding authority is not documented and Master is unaware of his authority.
• No records of maintenance kept or no evidence of maintenance has.
• No records of maintenance kept or no evidence of maintenance has been carried out as indicated in the records.