Related Clues:

• Brought to ruin
• Behaved like a lead balloon?
• Didn't stay up
• Torpedoed
• Lost altitude
• Dropped like an anchor
• Sent to the bottom
• Set, as the sun
• Destroyed destroyers
• Fell prey to quicksand
• Fell gradually
• What the Titanic did
• Scuttled
• Sounds as if this tum went down privately
• Took on too much water