Solve these clues to fill the grid.
- A vehicle designed for navigation in or on water or air or through outer space
- 1 Across
- An aircraft that has a fixed wing and is powered by propellers or jets
- 4 Across
- Moral excellence or admirableness (plural)
- 5 Across
- An aircraft without wings that obtains its lift from the rotation of overhead blades
- 8 Across
- A state of being carried away by overwhelming emotion
- 2 Down
- An airplane powered by one or more ___ engines
- 3 Down
- Human beings
- 6 Down
- A mixture of gases required for breathing
- 7 Down