All donations, no matter how small, are gratefully received. He states that whilst serving on board HMS Vanguard he spoke to a Chief Petty Officer who had been on board the submarine at the time of the accident. HMS Vanguard (right) sinking. We need your help to support our project work and running costs. The submarine had to return to base slowly because “if one of HPA [high pressure air] bottle groups exploded it would've created a chain reaction and sent the submarine plummeting to the bottom”.On returning to Faslane “there was a massive cover-up of the incident”. Contact and subscription forms are disabled. A combination of high water pressure and the submarine's low speed made it difficult for the submarine's hydroplanes generate enough lift to raise the submarine, and ballast water could not be pumped out fast enough to allow the submarine to rise. During the collision rhe French submarine had taken a “massive chunk” out of the front of HMS Vanguard and had then grazed down the side of the boat. At the time of the collision, both vessels were submerged and moving "at very low speed" according to the UK Ministry of Defence. The pumps were powered by the engines, which shut down ten minutes after the collision when the engine room flooded.
La Marine nationale française avait évoqué dans un premier temps la collision avec un conteneur. Compressed air bottle groups had been dislodged by the collision and “were hanging off and banging against the pressure hull”. It appears that during the Vanguard deep depth incident the submarine strayed beyond the speed and depth control limits, and thus got into difficulties.An overview of this important but low-profile work.Nuclear Information Service is currently in maintenance. Compressed air bottle groups had been dislodged by the collision and “were hanging off and banging against the pressure hull”. The paper noted that, under low power conditions, the submarine will not achieve sufficient dynamic lift from its hydroplanes, “so safety is achieved by procedural controls constraining the combinations of speed and depth, backed up by the use of ballast systems (but this may not be sufficient under all circumstances)”.
The Royal Navy's HMS Vanguard and the French Navy's Triomphant both sustained damage, but no injuries or radioactivity releases were reported.
During the collision rhe French submarine had taken a “massive chunk” out of the front of HMS Vanguard and had then grazed down the side of the boat.
Vanguard, however, was sinking. McNeilly's informant said “they told him if he told anybody about it he'd faced a prison sentence”. The submarines HMS Vanguard and Triomphant collided in the Atlantic Ocean in the night between 3–4 February 2009. HMS Vanguard and Le Triomphant submarine collision Major submarine incidents since 2000 HMS Vanguard (S28) Triomphant (S 616) Sources … Both are nuclear-powered ballistic missile submarines. “The submarine was extremely close to being lost”, claims McNeilly.Concern over deep depth incidents of this nature was raised in a 2009 advice note from the Defence Nuclear Safety Regulator to the Defence Board advising on selection of the nuclear propulsion plant for the proposed new 'Successor' submarine. Both are equipped with active and passive sonar, although onl… On the night between 3–4 February 2009, the two submarines collided in the Media reports have discussed two possible aspects contributing to the incident; geographic separation of the submarine operating areas (known as waterspace management), and the ability of each submarine to detect the other using Several media outlets have referred to comments by retired Royal Navy Commodore Stephen Saunders, editor of the With the delayed acknowledgement of the accident, both the British and French ministries of defence were accused of attempting a MoD statements and media coverage of the incident made no mention of the explosion risk or the submarine's perilous journey back to base.McNeilly's version of events shines some light on why the submarine took an extended ten day period to return to Faslane from the Bay of Biscay after the collision, and probably also explains why Commander Richard Lindsey, the submarine's captain during the incident, was subsequently awarded the Queen's Commendation for Valuable Service for “courage and high quality leadership in early 2009”.McNeilly also provides information a previously undisclosed “deep depth incident” in which HMS Vanguard dived far beyond a normal safe depth.
“He said “We thought, this it we're all going to die””. Her pumps could move water at a rate of 3,000 lb/min (23 kg/s) but the flooding exceeded 50 long tons per minute (847 kg/s). Le 3 ou le 4 février 2009, Le Triomphant et l'HMS Vanguard sont « entrés en contact brièvement » alors qu'ils étaient en immersion dans le golfe de Gascogne,.
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