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Precis File
SHIP NAME: Sea Star KEY: NUM. ENTRIES: 4
source SIS83
type D
volume
material
dead 12
link

Sea Star (hitee) collided with Horta Barbosa (hitter) Barbosa was in ballast, good weather, fire, sank, lat 25.4N, long 58.12E, sank on 24th, 12 killed


source CAHILL_G
type D
volume
material
dead 11
link

On the night of December 19, 1972, the Sea Star and the Horta Barbosa were proceeding on nearly complementary courses in the Gulf of Oman. The visibility was excellent with a light NE wind. The Sea Star was loaded on a course of 142 at about 16 knots. The Horta Barbossa was in ballast on a course of 322 also at about 16 knots.

The Sea Star detected the Barbosa at 14 miles and altered slightly to stbd to 145. The Barbosa detected the Sea Star at 16 miles, determined that she would easily pass stbd to stbd. Indeed their courses were sufficiently displaced so that, if both had maintained course and speed, they would have passed starboard to starboard with a CPA (Closest Point of Approach) of about one mile. The Sea Star apparently regarded this separation as insufficient and, at a range of about four miles, went starboard to effect a port to port passing. The Horta Barbosa maintained course and struck the Sea Star almost at right angles just forward of the bridge. She exploded and sank, killing 11 of her crew.


source HOOKE
type A
volume
material
dead 12
link

The 120,300 dwt South Korean motor tanker Sea Star was on a voyage from Ras Tanura to Rio de Janeiro loaded with crude oil, when she was in a collision with the Brazilian motor tanker Horta Barbosa in the Gulf of Oman in approximately 25.18N, long 57.334E just before dawn on December 19, 1972. A massive fire broke out on the Sea Star on which 12 crew members died.

... the Sea Star, still blazing furiously, drifted, listing heavily to port. After several huge explosions, oil spillage was noted through the 40 ft collision hole in her side, leaving the sea on fire and the tanker blazing end to end. She continued to drift, partially submerged, until finally sinking after another massive explosion ...


source CTX
type D
volume 115000T
material C
dead 12
link

This is a classic case of the dance of death. Two ships on complementary courses, displaced to starboard. One ship opts for port to port, the other ship decides to pass starboard to starboard. Neither ship talks to the other, which is the only solution in this situation.

Picture of Horta in Durban on way to Hamburg for repairs, shows nearly symmetric bow damage back to hawsepipe, low. Collision bulkhead probably OK. Depth of penetration was at least 10 m.

Would be nice to know if these ships were inerted. In 1972, almost certainly were not.. Could have made a difference.

CEDRE lists this spill at 115,000 tons.