Home  »      Hazmat Safety Community  »      Regulations  »      NTSB Safety Recommendations  »      Closed
Closed Recommendations

Closed Recommendations

The table below is a summary of the closed NTSB Recommendations. For copies of the specific letters and the OHMS responses, click the link for the specific item and review the list of "Related Downloads" on the right.

NTSB Classifications:

  • CEX - Closed Exceeds Recommended Action
  • CAA - Closed Acceptable Action
  • CAAA - Closed Acceptable Alternate Action
  • CUA - Closed Unacceptable Action
  • CUAN - Closed Unacceptable Action/No Response Received
  • CR - Closed Reconsidered
  • CNLA - Closed No Longer Applicable
  • CS - Closed Superseded
  • CAAS, CAAAS, CUAS - Closed Acceptable/Acceptable Alternate/Unacceptable Action Superseded

Closed Recommendations

Recommendation Closed Classification and Date Issue Date
A-07-104  Lithium Batteries; (CR);
Closed: 12/26/2012		 Dec 17, 2007
A-07-105  Lithium Batteries;(CR);
Closed: 12/26/2012		 Dec 17, 2007
A-07-106  Lithium Batteries; (CAA);
Closed : 7/21/2010		 Dec 17, 2007
A-07-107  Lithium Batteries; (CAAA);
Closed: 9/6/2013		 Dec 17, 2007
A-07-108  Lithium Batteries; (CAAA);
Closed: 11/12/2014		 Dec 17, 2007
A-07-109  Lithium Batteries; (CAAA);
Closed: 11/12/2014		 Dec 17, 2007
A-96-30  Oxidizing materials on aircraft; (CNLA);
Closed: 02/04/2002		 May 31, 1996
A-98-80  Air carrier emergency telephone number; (CUA);
Closed: 11/13/00		 Aug 12, 1998
A-99-80  Lithium Batteries; (CAA);
Closed: 06/19/08		 Nov 16, 1999
A-99-82  Lithium Batteries; (CAA);
Closed: 06/19/08		 Nov 16, 1999
A-99-83  Lithium Batteries; (CAAA);
Closed: 09/26/02		 Nov 16, 1999
A-99-84  Lithium Batteries; (CAA);
Closed: 09/26/02		 Nov 16, 1999
H-02-23  Cylinders carrying hydrogen; (CAA);
Closed: 4/21/2010		 Sep 26, 2002
H-02-24  Cylinders carrying hydrogen; (CUA);
Closed: 4/21/2010		 Sep 26, 2002
H-02-25  Cylinders carrying hydrogen; (CAA);
Closed :04/01/05		 Sep 26, 2002
H-11-1  Cargo Tank Data; (CUA)
Closed: 07/08/2013		 Sep 2, 2011
H-12-2  Advisory bulletin on Swansea, SC hose rupture incident; (CAA)
Closed : 02/04/2013		 Feb 4, 2013
H-12-3  Verification of chemical compatibility of hose assembly; CAAA Feb 4, 2013
H-12-4  Passive emergency shutdown for partial failure of hose assembly; CUA; 06/19/2014 Feb 4, 2013
H-12-5  Letter of Interpretation on 49 CFR 180.416(d); (CAA)
Closed: 02/04/2013		 Feb 4, 2013
H-12-6  Guidance on testing and recordkeeping requirements of 49 CFR 180.407; CAA; 06/19/2013 Feb 4, 2013
H-90-91  Cargo tank remote shut-off requirements; (CAA);
Closed: 08/07/03		 Sep 12, 1990
H-92-1  Cargo tanks; (CAA);
Closed: 12/12/2014		 Mar 20, 1992
H-92-2  Cargo tanks; (CAA);
Closed: 10/25/02		 Mar 20, 1992
H-92-3  Cargo Tanks; (CAA);
Closed: 09/08/99		 Mar 20, 1992
H-92-4  Cargo tank rollover requirements; (CUA);
Closed: 06/25/04		 Mar 20, 1992
H-92-5  Cargo tank rollover requirements; (CUA);
Closed: 06/25/04		 Mar 20, 1992
H-92-6  Cargo tank incident reporting; (CAA);
Closed: 10/20/04		 Mar 20, 1992
H-93-34  Cargo tanks; (CAA)
Closed: 08/07/2013		 Oct 4, 1993
H-95-14  Cargo tanks; (CAAA);
Closed: 08-06-02		 Aug 1, 1995
H-95-37  Cargo tanks; (CUA);
Closed: 08-18-03		 Nov 27, 1995
H-98-27  CNLA; 03/15/2016 May 18, 1998
H-99-57  Loading/Unloading instructions for cargo tanks; (CAAA);
Closed: 0/25/02		 Oct 1, 1999
H-99-58  Immediate reporting of hazardous materials incident; (CUA);
Closed: 10/20/04		 Oct 1, 1999
I-00-6  Applicability of the HMR; (CUA);
Closed: 03/29/04		 Jun 20, 2000
I-01-01  Written reporting standards; (CAAA);
Closed: 10/20/04		 Mar 12, 2001
I-02-01  Loading/Unloading; (CAAA);
Closed: 10/29/2013		 Jul 16, 2002
I-02-02  Loading/Unloading; (CAAA);
Closed: 10/29/2013		 Jul 16, 2002
I-07-1  Pressurized Aluminum Cylinders; (CUA)
Closed: 02/04/2013		 Feb 4, 2013
I-07-2  Pressurized Aluminum Cylinders; (CAA)
Closed: 02/04/2013		 Feb 4, 2013
I-90-8  Cargo securement; (CUA);
Closed: 07/20/01		 Mar 23, 1990
I-90-9  Inspection requirements for low pressure cylinders; (CUA);
Closed: 07/20/01		 Mar 23, 1990
I-92-2  Portable tanks; (CAA);
Closed: 05/28/02		 Oct 28, 1992
I-93-1  Cylinder inspection; (CUA);
Closed: 01/23/02		 Nov 30, 1993
I-93-2  Cylinder inspection; (CUA);
Closed: 01/23/02		 Nov 30, 1993
R-01-03  Written Reporting Standards; (CAA);
Closed: 1/11/2013		 Mar 12, 2001
R-04-10  Loading Unloading; (CAAA);
Closed: 10/29/2013		 Dec 15, 2004
R-07-5  HMEP Grant Funds; (CR);
Closed: 6/7/2011		 Apr 25, 2007
R-12-5  Enhanced protection of DOT-111 Tank Cars Used in ethanol and crude oil service; (CAA);
Closed: 07/12/2016		 March 2, 2012
R-12-6  Bottom Outlet Valve Closure; (CAA);
Closed: 07/12/2016		 March 2, 2012
R-14-4  Rail Routing of Trains Carrying Flammable Liquids; (CAA);
Closed: 07/12/2016		 Jan 23, 2014
R-89-52  Shipper notification of HM incidents; (CNLA);
Closed: 10/20/04		 Jul 14, 1989
R-89-53  Closure fittings on rail tank cars; (CUA)
Closed: 03/19/2010		 Jul 14, 1989
R-92-23  Periodic Inspection & Testing of Rail Tank Cars; (CAA);
Closed: 1/11/2013		 Dec 31, 1992
Back to Top