Related Clues:
- Many an Air Force flier
- Hard black mineral or plane engine
- A hard black mineral
- The blackest black
- Rate of travel
- Spurt of water or fast plane
- Narrow spouting stream
- 'More haste, less . . . . .'
- A very black colour of black
- Black aircraft?
- Very black black or fast plane
- Kind of plane, or a glossy black
- Hard black mineral used as gem
- Very black or fast plane
- Rapid stream of liquid or gas