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Safety Recommendation Details

Safety Recommendation M-86-106
Details
Synopsis: ON OCTOBER 27, 1985, THE U.S. MOBILE OFFSHORE DRILLING UNIT PENROD 61 WAS DRILLING FOR OIL AT AN OFFSHORE DRILLING SITE ABOUT 25 NAUTICAL MILES (NMI) SOUTH OF THE LOUISIANA COAST IN THE GULF OF MEXICO. THE PENROD 61, A SELF-ELEVATING TYPE DRILLING UNIT, WAS IN THE JACKED-UP MODE IN ABOUT 246 FEET OF WATER AND WAS ELEVATED ABOUT 50 FEET ABOVE THE SURFACE OF THE WATER ON THREE BOTTOM BEARING LEGS. ABOUT 2330 C.S.T. IN SEAS REPORTED TO BE IN EXCESS OF 30 FEET HIGH AND IN WINDS GUSTING TO 80 KNOTS, THE PENROD 61 COLLAPSED INTO THE SEA. THE 43 PERSONS ON BOARD ABANDONED THE VESSEL AND ALL BUT ONE WERE LATER RESCUED. AFTER IT FELL INTO THE SEA THE PENROD 61 DRIFTED WITH THE WIND AND SEA, STRUCK THE NEARBY PENROD 60, AND SUBSEQUENTLY SANK ABOUT 9 NMI NORTHWEST OF ITS DRILLING SITE. AS A RESULT OF THIS ACCIDENT THE PENROD 61, VALUED AT $40 MILLION, WAS DESTROYED AND ONE MAN LOST HIS LIFE.
Recommendation: THE NTSB RECOMMENDS THAT THE U.S. COAST GUARD: REQUIRE THAT U.S. MODUS OPERATING IN THE GULF OF MEXICO HAVE DETAILED SEVERE WEATHER EVACUATION PLANS WHICH SET FORTH THE ORDER IN WHICH PERSONNEL WILL BE EVACUATED, IDENTIFY THE TRANSPORTATION RESOURCES TO BE USED IN THE EVACUATION, AND INCLUDE TIME AND DISTANCE FACTORS FOR THE INITIATION OF EVACUATION BEFORE THE ONSLAUGHT OF HAZARDOUS WEATHER CONDITIONS AT THE LOCATION OF THE MODU.
Original recommendation transmittal letter: PDF
Overall Status: Closed - Acceptable Alternate Action
Mode: Marine
Location: Gulf of Mexico, GM, United States
Is Reiterated: No
Is Hazmat: No
Is NPRM: No
Accident #: DCA86MM005
Accident Reports: ​Collapse of the U.S. Mobile Offshore Drilling Unit Penrod 61
Report #: MAR-86-10
Accident Date: 10/27/1985
Issue Date: 10/14/1986
Date Closed: 8/20/1993
Addressee(s) and Addressee Status: USCG (Closed - Acceptable Alternate Action)
Keyword(s):

Safety Recommendation History
From: NTSB
To: USCG
Date: 12/23/1993
Response: BECAUSE THE USCG PUBLISHED THE REQUESTED REQUIREMENTS AT 33 CFR 146.140 AND 33 CFR 210, RECOMMENDATION M-86-106 HAS BEEN CLASSIFEID "CLOSED--ACCEPTABLE ALTERNATE ACTION."

From: USCG
To: NTSB
Date: 8/20/1993
Response: SEE BOARD REPLY BELOW

From: NTSB
To: USCG
Date: 6/24/1987
Response:

From: USCG
To: NTSB
Date: 4/8/1987
Response: THE CG HAS NOT DETERMINED AT THIS TIME WHAT DETAILED REQUIREMENTS AND PROCEDURES MUST BE INCLUDED IN AN EVACUATION PLAN. A NPRM ON EVACUATION PLAN REQUIREMENTS IS BEING DEVELOPED AND IS TENTATIVELY SCHEDULED TO BE PUBLISHED IN APRIL 1987. THIS NPRM WILL APPLY TO BOTH MODUS AND OCS FACILITIES. IN ADDITION, THE CG PUBLISHED A FINAL RULE ON MARCH 6, 1987, WHICH REQUIRES THAT MODU'S OPERATING MANUAL CONTAIN "PROCEDURES FOR EVACUATING PERSONNEL FROM THE UNIT.