On 17 Apr 21, two incidents occurred to ships while underway off Tanjung Pergam, Bintan Island, Indonesia. The two incidents occurred within an interval of four hours and in close proximity to each other in the eastbound lane of the Traffic Separation Scheme (TSS) in the Singapore Strait.
In one of the incidents on 17 Apr, the duty engineer spotted one perpetrator trying to open the steering gear entrance door from the poop deck of a petroleum/chemical tanker. The perpetrator escaped knowing...