BoomBlastExplosion on Instagram: "POV: You’re witnessing the moment a main engine fails catastrophically. A crankcase explosion is every marine engineer’s worst scenario. The secondary ignition is often deadlier than the initial blast, as fresh oxygen feeds the fire and rapidly escalates the damage. This clip shows internal combustion physics turning destructive in seconds. Notice the casing displacement and the immediate loss of visibility. This is why emergency response drills are non-negotiab