Related Clues:

• Flying alone
• Like peopleless spacecraft
• Pilotless
• Lacking a crew
• Weakened the courage of in male way
• Without staff or personnel - made weak
• In Paris a motorboat started by girl departs without a crew
• Lacking personnel
• Like some spacecraft
• Lacking a navigator
• Needing no crew
• Remote-controlled, perhaps
• Without a crew, dispirited
• Not requiring staff
• No one at The Wheel named nun on the run