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Safety Recommendation Details

Safety Recommendation M-86-104
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: DEVELOP SEAKEEPING, EQUIPMENT, AND MANNING STANDARDS FOR STANDBY VESSELS IN ATTENDANCE OF MOBILE OFFSHORE DRILLING UNITS.
Original recommendation transmittal letter: PDF
Overall Status: Closed - Acceptable 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: 12/23/1993
Addressee(s) and Addressee Status: USCG (Closed - Acceptable Action)
Keyword(s):

Safety Recommendation History
From: NTSB
To: USCG
Date: 12/23/1993
Response: TITLE 33 CFR 143.401 REQUIRES THAT STANDBY VESSELS BE INSPECTED AND CERTIFICATED UNDER 46 CFR SUBCHAPTER H, I, OR T, AS APPLICABLE, BASED ON SIZE AND PASSENGER CARRYING ABILITY. TITLE 33 CFR 143.407 REQUIRES THAT STANDBY VESSELS BE MANNED ON A 24-HOUR BASIS IN ACCORDANCE WITH THE PROVISIONS OF THEIR CERTIFICATES OF INSPECTION. THEREFORE, RECOMMENDATION M-86-104 HAS BEEN CLOSED--ACCEPTABLE ACTION."

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

From: NTSB
To: USCG
Date: 4/27/1989
Response:

From: USCG
To: NTSB
Date: 10/5/1988
Response: THIS RESPONSE IS AN UPDATE ON THE STATUS OF SEVERAL REGULATORY PROJECTS THAT THE COAST GUARD HAS IN PROGRESS WHICH, WHEN FINALIZED, WILL IMPLEMENT THE REQUIREMENTS OF EACH OF THESE SAFETY RECOMMENDATIONS.

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

From: USCG
To: NTSB
Date: 4/8/1987
Response: ON MARCH 7, 1985, THE CG PUBLISHED AN ADVANCE NOTICE OF PROPOSED RULEMAKING (ANPRM) (CGD 84-098) WHICH, IN PART, SOLICITED COMMENTS ON EVACUATION PLANS FOR BOTH MODUS AND FIXED OCS PLATFORMS. IN PARTICULAR, THE CG SOUGHT COMMENTS OF THE ROLE, DESIGN CRITERIA, EQUIPMENT, AND MANNING OF STANDBY VESSELS. THE RECENTLY ENACTED P.L. 99-509 CHARGED THE CG TO ISSUE FINAL REGS., PRIOR TO SEPT. 1, 1987, RE GARDING EVACUATING PERSONNEL FROM MODUS AND FIXED OCS PLAT FORMS AND TO CONSIDER REQUIRING STANDBY VESSELS. IN PREPARING THE REGS. THE LAW REQUIRES THE CG TO CONSIDER THE MANDATORY USE OF STANDBY VESSELS. IN ORDER TO MEET THIS MANDATE, THE CG WILL REASSESS METHODS OF OFFSHORE EVACUATION IN PREPARING A NPRM ON EVACUATION PLANS. IF IT IS DETERMINED THAT STANDBY VESSELS ARE NECESSARY, THE CG WILL DEVELOP DESIGN, EQUIPMENT, AND MANNING STANDARDS FOR THESE VESSELS. THE NPRM IS TENTATIVELY SCHEDULES TO BE PUBLISHED IN APRIL 1987.