The 203 grounding represented 13.5% of the total incidents.
Causative factors were attributed as follows;
(OHP-5)
─ 28.1% to Errors in positioning
─ 7.4% to Errors in setting of course/heading
─ 63.0% to Poor navigation practice (Incl. mistakes)
─ 12.8% to Conning errors
─ 1% to Inoperable or malfunctioning equipment
16.2% to Other causes
In the number of 1,146 collisions and groundings the failure to maintain a proper lookout was a causative factor in 39.5% of the total.
These statistics are shown in
(OHP-6)
3.3 Reasons of inadequate look-out(top 10th)
Too care to other ship(s) 44
Doing other job. 41
Looking at one direction 37
Dazzled back light 32
Careless for dead-zone 31
Idling operation 21
Conjecture estimate 20
Misjudge radar information 17
Asleep 8
Care other object 5
Course keeping & steering 4
Care to worker on deck 3
Debating 3
4. Human errors
(OHP-7)
According to the record of delivered judgments in the past few years, the causative human errors would be contributed by many stages from planning to operating the following levels.
4.1 Planning
When make new building plan of ship' specifications by ship owner, the selection of equipment and balance of technical level to be met their own purpose of the ship's navigational operation and crew's skill and manning schedule.
The planner should be considered whether the technological background is satisfied or not for building conditions as mentioned above 2.
