Related Clues:

• Sharp decline in air traffic
• Even so, I'd resolved to take the plunge
• Catastrophe for officer, partner to Jones, among other ranks?
• Descent without parachute
• Rapid descent (before parachute opens, for example)
• Unchecked descent
• Drop with parachute unopened
• Rapid descent (before chute opens)
• Sudden disastrous failure (of nuclear reactor)
• Disastrous collapse — nuclear accident
• (Make a) steep downward plunge
• Skydiver's start priceless trip?
• Parachutist's thrill
• Serious nuclear accident
• Inquire about local bar with bad reputation in decline