Silver Spring, Maryland, Natural Gas Explosion

​The National Transportation Safety Board held a board meeting, April 23, 2019, 9:00 a.m. (EDT), originally scheduled for March 12, to determine the probable cause of the Aug. 10, 2016, natural gas explosion and fire in Silver Spring, Maryland.

The accident killed seven people, 65 were transported to area hospitals and three firefighters suffered minor injuries.

Parties to the investigation include the Pipeline and Hazardous Materials Safety Administration, the Maryland Public Service Commission, Montgomery County Fire and Rescue Service, Montgomery County Department of Police and Washington Gas.

NTSB Investigative staff and Board Members.

An open to the public board meeting to determine probable cause of the Aug. 10, 2016, natural gas explosion and fire in Silver Spring, Maryland.

NTSB Boardroom and Conference Center, 420 10th St., SW, Washington, DC

April 23, 2019, 9:30 a.m. (EDT).

Media covering the meeting in person are asked to be in place no later than 9:15 a.m. on the day of the event. The public meeting will also be webcast. A link for the webcast will be available at shortly before the start of the meeting.

Board Meeting Presentations

DCA16FP003-Board-Meeting-Presentations.pdfStaff Presentations.pdf

Witness and Aerial videos of the Natural Gas Explosion at the Flower Branch Apartment Complex on the NTSB YouTube channel

DCA16FP003-abstract.pdfBoard Meeting Abstract

Opening Statement

Closing Statement



NTSB public events are also streamed via live webcast. Webcasts are archived for a period of 3 months from the date of the meeting. Webcast archives are generally available by the end of the event day for public meetings, and by the end of the next day for technical conferences.

If you wish to obtain a copy of an NTSB meeting, please contact the NTSB Records Management Division at (202) 314-6551,  or 800-877-6799. You may also request this information from the NTSB website,  or write to the following: National Transportation Safety Board, Records Management Division (CIO-40), 490 L'Enfant Plaza, SW, Washington, DC 20594.