Possible Clues:

• 'Throw away, cast overboard (8)'
• Throw overboard to lighten ship
• Sounds as if the aircraft motor is going for the throwaway
• 'That plane, it is on, only to discard it (8)'
• Abandon
• Abandon film seen in seedy joints
• Ditch aircraft? No, it's wrong
• Sit back on joining plane — you'll get put off aircraft
• Get rid of black money that's received in this way
• To eject from an aircraft is not possible