Possible Clues:

• Mischievous one
• Troublemaker changes head of Russian government
• Naughty fairy
• Mingler can turn out to be a mischievous type
• Mischievous elf (in aircraft?)
• Imp bedevilling plane
• Mingler that causes damage to machinery
• Problems with this aviation spirit?
• Trouble-making imp
• Gee! One may get about a thousand and nothing back from such a nuisance