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Precis File
SHIP NAME: Maersk Navigator KEY: NUM. ENTRIES: 3
source LMIU
type D
volume Y
material
dead
link

Collision with tanker Sanko Honour off Sumatera in 06 05 N 94 25 E and on fire 20 Jan 1993 Holed in No 4 port tank, causing oil spill Abandoned by crew Fire extinguished 26 Jan Towed to Singapore for repairs, which completed by 14 Aug.


source FSI 4/5 Annex 2
type A
volume Y
material
dead 0
link

In collision with tanker Sanko Honor on fire near entrance to Malacca Strait. Attending fire fighting tugs were able to control the fire, centered around No 4 hold, and take vessel under tow before finally extinguished on January 26. Damage sustained to port side with hold in mid section. Severe pollution occured. Remaining cargo transhipped. Proceeded to Singapore to effect repairs.

The second officer failed to comply with Rule 7 of the Colregs. Both second officers failed to comply with Rules 34 of Colregs in that they did not sound the manoeuvring signals when in sight of each other. Both second officers failed to call the master during restricted visibility as required under the standing orders of both ships.


source CTX
type D
volume 25000T
material
dead
link

ETC volume is 173810B. OSIR says 7.3MMG (24,830 tonnes) light crude oil. Ship was loaded enroute from Oman to Japan. Japanese source puts spill at 25,000 tons of crude oil. Other sources about the same, except for an Indian listing which puts the spill at 40,000 tons which seems quite unlikely if only one tank was breached, even for a Marpol single hull. Says Sanko Honour was in ballast Very likely on reciprocal courses, but need confirmation.

The FSI synopsis of the flag state report is garbled and not much help. Rule 7 says do a good job plotting the other ships. Sounding horn signals on a big tanker at the last minute is akin to screaming after you've fallen off a cliff, and about as effective. Sounds like there was no attempt to communicate.

We need more info.

Photos show the penetration is on port side just aft of the manifold. Damage extends from the deck down to about 6 or 7 meters below the light load line. Longitudinal extent is maybe 30 meters. Looks like a fairly high angle of impact. Hard to see but penetration is at least 10 m.