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Precis File
SHIP NAME: Century Dawn KEY: NUM. ENTRIES: 4
source OSIR
type C
volume 3146000 gals
material
dead
link

Puts location at 1.15N, 103.59E


source ETC
type C
volume 74905 bbls
material
dead
link


source CAHILL-C
type D
volume
material
dead
link

Century Dawn was loaded with 70,911 tons of Omani crude bound for China. She had stopped for spares and stores in Singapore. To resume her trip she had to cross the westbound lane. She raised her anchor about 0400. Visibility was good and there was little wind. Asian Energy was westbound in ballast. It appears that neither ship was aware of the other until they were a mile apart. Asian Energy had ARPA but the guard ring was set at one mile. It appears that Asian Energy was a little south of the westbound lane. In extremis, Century Dawn went starboard, Asian Energy went port. They collided at 0442, Asian Energy hitting the Century Dawn No 1 port tank.


source CTX
type C
volume 12000m3
material
dead
link

Cahill is rightly critical of the poor look out. It is hard to believe that neither ship was aware of the other until they were a mile away. Cahill lambasts the Asian Energy for setting the guard ring at one mile but the reason ships do this is that, if they set the guard ring at say 5 miles, then they get all kinds of false alarms. The guard ring is useless in a crowded area. Might be better if the ARPA's did not have this function.

The arbitrators held that Century Dawn did not cross the westbound lane at right angles as the Rules of the Road require. But the Rules also require a ship to enter its lane at a small angle. The Century Dawn could not do both.

A ten thousand ton spill from a 71,000 ton cargo, with the ship being hit far forward, and surviving seems a lot, but CTX has no other source than ETC. If the ETC figure is correct, we need at least two tanks. Since the CD was hit at 100 degrees, 1C is a more likely candidate than 2P. The CD has a beam of 39m. If the second tank was 1C, the depth of penetration was at least 10m. We need some damage data.