News release

Investigation report: Damage to natural gas pipeline near Fort St. John, British Columbia

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The Transportation Safety Board of Canada (TSB) is an independent agency that advances transportation safety by investigating occurrences in the air, marine, pipeline and rail modes of transportation.

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Figure 3. NPS 20 pipe installed 5.8 m deep into observation hole on the day of the occurrence (Source: Westcoast, with TSB annotations)

Investigation report: Damage to natural gas pipeline near Fort St. John, British Columbia

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Deployment

TSB is deploying a team following an aircraft accident near Fort Simpson, Northwest Territories

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Teams at work following the 25 July 2025, CN train derailment of 23 cars in Paris, Ontario (Source: TSB)

Investigation report: Main-track train derailment in Paris, Ontario

Pipeline damage Westcoast Energy Limited Partnership 16-inch Aitken Creek Lateral, Kilometre Post 3.338 Near Fort St. John, British Columbia


Main-track derailment Canadian National Railway Company Mile 30.66, Dundas Subdivision Paris, Ontario


Loss of control and collision with water Wilderness Seaplanes Ltd. Cessna A185F, C-GBTJ Port Hardy Water Aerodrome (CAW5), British Columbia, 25 NM NNE


Submersible implosion and loss of life Submersible Titan and cargo vessel Polar Prince 372 nautical miles south-southeast of Cape Race, Newfoundland and Labrador


Movement exceeds limits of authority Metrolinx GO Transit commuter train 1028 Mile 34.4, Canadian National Railway Company Oakville Subdivision Burlington, Ontario


Runway incursion and risk of collision  Air Canada Rouge, Airbus A320-214, C-GFCH and CANLink Aviation Inc. (Moncton Flight College [MFC]), Diamond DA 20-C1, C-FRJU Greater Moncton Roméo LeBlanc International Airport (CYQM), New Brunswick


Collision with terrain during landing Endeavor Air (dba Delta Connection) MHI RJ Aviation Group CL-600-2D24 (Regional Jet Series 900), N932XJ Toronto/Lester B. Pearson International Airport (CYYZ), Ontario


Collision with terrain Kîsik Aerial Survey Inc. Piper Aircraft Corporation PA-31, C-GYYP Deer Lake Airport (CYDF), Newfoundland and Labrador 


Engine failure and forced approach Privately registered Piper PA-28-140, C-FXGC Toronto/Billy Bishop Toronto City Airport (CYTZ), Ontario, 4 NM NE 


Stall and collision with terrain Privately registered Morrisey (Shinn Engineering Inc.) 2150A (Varga), C-GFHZ Vermilion Aerodrome (CYVG), Alberta, 0.9 NM NW