Spills
Dover strait, pas de calais, english channel
Olympic Alliance; Dover Strait, Pas de Calais, English Channel · NOAAORR-6225
- issued
- 1975-11-12 00:00Z
- status
- cancelled 1975-11-26 00:00Z
- self-cancels
- 1975-11-26 00:00Z
- authority
- NOAA OR&R
- sea
- English Channel
- position
- 50.983, -1.583
- vessel
- HMS ACHILLES · 2 messages
- source
- incidentnews · first seen 2026-09-03 15:09Z
Original warning text
Olympic Alliance; Dover Strait, Pas de Calais, English Channel. Dover Strait, Pas de Calais, English Channel. 1. Shortly after midnight on the morning of November 12, 1975, the tank vessel Olympic Alliance and the Royal Navy Frigate, HMS Achilles collided in Dover Strait. The collision occurred in the northeast traffic lane about 13 miles southeast of Dover, England. One of the Olympic Alliance's cargo tanks was ruptured on impact resulting in the release of 14,000 barrels of Iranian crude oil. The vessels were able to separate without assistance. Visibility at the time of the collision was restricted by fog. Response equipment and personnel were mobilized immediately in accordance with the local contingency plans. Vessels from a variety of sources were obtained for use in the application of dispersant. The Kent County Counsel (KCC) Oil Pollution Officer activated the county's contingency plan and arranged for three fishing vessels to be equipped with dispersant spraying equipment. The District [...] 2. COMMODITY: IRANIAN LIGHT CRUDE OIL. MAXIMUM POTENTIAL RELEASE: 588000 GALLONS. 3. POSITION 50.983N 001.583W. NOAA INCIDENTNEWS 6225: https://incidentnews.noaa.gov/incident/6225
This area · spills & pollution incidents
21 within 180 nm since 1967 · 0 in the last 12 months · 0 in force now
67
70
75
80
85
90
95
00
05
10
15
20
22
- Salvage and pollution response operations in progress until further notice in vicinity 50-19.60N 004-14.70W2022-11-29
- Salvage and pollution response operations in progress until 16 nov by M/V willchallenge in vicinity…2022-11-13
- Salvage and pollution response operations in progress until further noticeby M/V atlantica supplier, M/V sar…2022-08-31
- Salvage and pollution response operations in progress until further notice by M/V willchallenge, M/V sartor,…2022-08-24
- Salvage and pollution response operations in progress until further notice by M/V willchallenge, M/V sartor,…2022-08-22
- Salvage and pollution response operations in progress until further notice by M/V willchallenge, M/V sartor,…2022-08-19
Season · when spills & pollution incidents happen here
J
F
M
A
M
J
J
A
S
O
N
D
month of issue, all years in the archive
Nearby now · within 120 nm
Nothing else in force within 120 nm.
Worldwide now
8 spills & pollution incidents in force · see all
Spills
Oil and chemical spills, groundings and vessel casualties with a pollution threat: NOAA IncidentNews responses since 1957, and spill-response areas broadcast as navigational warnings. All current spills & pollution incidents →
Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.